Analog Circuit Design: Design Note Collection, Volume 3

In this Book

• Publisher's Note
• Introduction
• Foreword
• High Performance Single Phase DC/DC Controller with Power System Management
• One Device Replaces Battery Charger, Pushbutton Controller, LED Driver and Voltage Regulator ICs in Portable Electronics
• Simple Circuit Replaces and Improves on Power Modules at Less than Half the Price
• Wide Input Range, High Efficiency DDR Termination Power Supply Achieves Fast Transient Response
• Minimize Input Capacitors in Multioutput, High Current Power Supplies
• Dual Phase High Efficiency Mobile CPU Power Supply Minimizes Size and Thermal Stress
• SOT-23 SMBus Fan Speed Controller Extends Battery Life and Reduces Noise
• Active Voltage Positioning Reduces Output Capacitors
• 5V to 3.3V Circuit Collection
• Hex Level Shift Shrinks Board Space
• Cost-Effective, Low Profile, High Efficiency 42A Supply Powers AMD Hammer Processors
• Efficient, Compact 2-Phase Power Supply Delivers 40A to Intel Mobile CPUs
• Microprocessor Core Supply Voltage Set by I2C Bus without VID Lines
• High Efficiency I/O Power Generation for Mobile Pentium III Microprocessors
• PolyPhase Surface Mount Power Supply Meets AMD Athlon Processor Requirements with no Heat Sink
• 2-Step Voltage Regulation Improves Performance and Decreases CPU Temperature in Portable Computers
• Dual Regulators Power Pentium Processor or Upgrade CPU
• Big Power for Big Processors—A Synchronous Regulator
• High Efficiency Power Sources for Pentium Processors
• Fast Regulator Paces High Performance Processors
• Techniques for Deriving 3.3V from 5V Supplies
• Regulator Circuit Generates Both 3.3V and 5V Outputs from 3.3V or 5V to Run Computers and RS232
• Tiny, Highly Flexible, Dual Boost/Inverter Tracks Supplies
• Ultralow Noise Switching Power Supplies Simplify EMI Compliance
• Monolithic DC/DC Converters Break 1MHz to Shrink Board Space
• Capacitor and EMI Considerations for New High Frequency Switching Regulators
• Switching Regulator Generates Both Positive and Negative Supply with a Single Inductor
• Floating Input Extends Regulator Capabilities
• Programming Pulse Generators for Flash Memories
• Achieving Microamp Quiescent Current in Switching Regulators
• Inductor Selection for Switching Regulators
• Inverting DC/DC Controller Converts a Positive Input to a Negative Output with a Single Inductor
• 20V, 2.5A Monolithic Synchronous Buck SWITCHER+ with Input Current, Output Current and Temperature Sensing/Limiting Capabilities
• 1.5A Rail-to-Rail Output Synchronous Step-down Regulator Adjusts with a Single Resistor
• 42V, 2.5A Synchronous Step-down Regulator with 2.5μA Quiescent Current
• Bootstrap Biasing of High Input Voltage Step-down Controller Increases Converter Efficiency
• 36V, 3.5A Dual Monolithic Buck with Integrated Die Temperature Monitor and Standalone Comparator Block
• High Efficiency, High Density 3-Phase Supply Delivers 60A with Power Saving Stage Shedding, Active Voltage Positioning and Nonlinear Control for Superior Load Step Response
• 2-Phase Synchronous Buck Controller Features Light Load Stage Shedding Mode, Active Voltage Positioning, Low RSENSE and Remote VOUT Sensing
• Dual Output High Efficiency Converter Produces 3.3V and 8.5V Outputs from a 9V to 60V Rail
• Dual Output Step-down Controller Produces 10% Accurate, Efficient and Reliable High Current Rails
• 15VIN, 4MHz Monolithic Synchronous Buck Regulator Delivers 5A in 4mm × 4mm QFN
• Dual Output Buck Regulator with Current Partitioning Optimizes Efficiency in Space-Sensitive Applications
• Triple Buck Regulator Features 1-Wire Dynamically Programmable Output Voltages
• Buck Converter Eases the Task of Designing Auxiliary Low Voltage Negative Rails
• Monolithic Synchronous Step-down Regulator Delivers up to 12A from a Wide Input Voltage Range
• Step-down Synchronous Controller Operates from Inputs down to 2.2V
• Compact I2C-Controllable Quad Synchronous Step-down DC/DC Regulator for Power-Conscious Portable Processors
• Compact Triple Step-down Regulator Offers LDO Driver and Output Tracking and Sequencing
• A Positive-to-Negative Voltage Converter Can Be Used for Stable Outputs Even with a Widely Varying Input
• One IC Generates Three sub-2V Power Rails from a Li-Ion Cell
• 36V 2A Buck Regulator Integrates Power Schottky
• Triple Output 3-Phase Controller Saves Space and Improves Performance in High Density Power Converters
• Dual Monolithic Step-down Switching Regulator Provides 1.6A Outputs with Reduced EMI and VOUT as Low as 0.8V
• A Compact Dual Step-down Converter with VOUT Tracking and Sequencing
• Tiny Monolithic Step-down Regulators Operate with Wide Input Range
• Cascadable 7A Point-of-Load Monolithic Buck Converter
• High Voltage Current Mode Step-down Converter with Low Power Standby Capability
• Low EMI Synchronous DC/DC Step-down Controllers Offer Programmable Output Tracking
• ThinSOT Micropower Buck Regulator Has Low Output Ripple
• Tiny Versatile Buck Regulators Operate from 3.6V to 36V Input
• High Accuracy Synchronous Step-down Controller Provides Output Tracking and Programmable Margining
• 60V, 3A Step-down DC/DC Converter Has Low Dropout and 100μA Quiescent Current
• Monolithic Synchronous Regulator Drives 4A Loads with Few External Components
• High Performance Power Solutions for AMD Opteron and Athlon 64 Processors
• High Current Step-down Controller Regulates to 0.6V Output from 3V Input
• Efficient Dual Polarity Output Converter Fits into Tight Spaces
• Dual Output Supply Powers FPGAs from 3.3V and 5V Inputs
• 3A, 2MHz Monolithic Synchronous Step-down Regulator Provides a Compact Solution for DDR Memory Termination
• 60V/3A Step-down DC/DC Converter Maintains High Efficiency over a Wide Input Range
• Monolithic Synchronous Step-down Regulators Pack 600mA Current Rating in a ThinSOT Package
• High Efficiency Adaptable Power Supply for XENPAK 10Gb/s Ethernet Transceivers
• High Voltage Buck Regulators Provide High Current, Low Profile Power Solutions for FireWire Peripherals
• Efficient DC/DC Converter Provides two 15A Outputs from a 3.3V Backplane
• 60V Step-down DC/DC Converter Maintains High Efficiency
• Tiny Buck Regulator Accepts Inputs from 3.6V to 25V and Eliminates Heat Sink
• 1.4MHz Switching Regulator Draws Only 10μA Supply Current
• 10μA Quiescent Current Step-down Regulators Extend Standby Time in Handheld Products
• Low Cost PolyPhase DC/DC Converter Delivers High Current
• Unique High Efficiency 12V Converter Operates with Inputs from 6V to 28V
• Low Cost, High Efficiency 42A DC/DC Converter
• High Efficiency PolyPhase Converter Uses Two Inputs for a Single Output
• High Current Dual DC/DC Converter Operates from 3.3V Input
• Low Cost Surface Mount DC/DC Converter Delivers 100A
• High Voltage, Low Noise Buck Switching Regulator
• Low Cost, High Efficiency 30A Low Profile Polyphase Converter
• 2-Phase Switching Regulator Fits in Tight Places
• Low Dropout 550kHz DC/DC Controller Operates from Inputs as Low as 2V
• Switching Regulator Controllers Set a New Standard for Transient Response
• 60V, High Efficiency Buck Switching Regulators in SO-8
• High Efficiency, Monolithic Synchronous Step-down Regulator Works with Single or Dual Li-Ion Batteries
• A Low Cost, Efficient Mobile CPU Power
• Optimizing a DC/DC Converter's Output Capacitors
• Step-down Converter Operates from Single Li-Ion Cell
• Optimized DC/DC Converter Loop Compensation Minimizes Number of Large Output Capacitors
• A High Efficiency 500kHz, 4.5A Step-down Converter in an SO-8 Package
• High Efficiency Switching Regulators Draw only 10μA Supply Current
• High Power Synchronous Buck Converter Delivers up to 50A
• Single IC, Five Output Switching Power Supply System for Portable Electronics
• Low Noise Switching Regulator Helps Control EMI
• Efficient Processor Power System Needs no Heat Sink
• A New, High Efficiency Monolithic Buck Converter
• Switching Regulator Provides High Efficiency at 10A Loads
• Dual Output Regulator Uses Only One Inductor
• Highly Integrated High Efficiency DC/DC Conversion
• Ultralow Power, High Efficiency DC/DC Converter Operates outside the Audio Band
• Triple Output 3.3V, 5V, and 12V High Efficiency Notebook Power Supply
• Single Device Provides 3.3V and 5V in Surface Mount
• A Simple High Efficiency, Step-Down Switching Regulator
• Delivering 3.3V and 5V at 17W
• Low Parts Count DC/DC Converter Circuit with 3.3V and 5V Outputs
• New Synchronous Step-Down Switching Regulators Achieve 95% Efficiency
• High Performance Frequency Compensation Gives DC-to-DC Converter 75μs Response with High Stability
• 1μA IQ Synchronous Boost Converter Extends Battery Life in Portable Devices
• Ultralow Power Boost Converters Require Only 8.5μA of Standby Quiescent Current
• Tiny Dual Full-Bridge Piezo Motor Driver Operates from Low Input Voltage
• Tiny Synchronous Step-up Converter Starts up at 700mV
• High Efficiency 2-Phase Boost Converter Minimizes Input and Output Current Ripple
• ThinSOT Switching Regulator Controls Inrush Current
• Dual DC/DC Converter with Integrated Schottkys Generates ±40V Outputs and Consumes Only 40μA Quiescent Current
• Compact Step-up Converter Conserves Battery Power
• 2-Phase Boost Converter Delivers 10W from a 3mm × 3mm DFN Package
• 4-Phase Monolithic Synchronous Boost Converter Delivers 2.5A with Output Disconnect in a 5mm × 5mm QFN Package
• Boost Regulator Makes Low Profile SEPIC with Both Step-up and Step-down Capability
• Dual Monolithic Buck Regulator Provides Two 1.4A Outputs with 2-Phase Switching to Reduce EMI
• 4MHz Monolithic Synchronous Step-down Regulators Bring High Efficiency to Space-Sensitive Applications
• Tiny and Efficient Boost Converter Generates 5V at 3A from 3.3V Bus
• Tiny Boost Controller Provides Efficient Solutions for Low Voltage Inputs
• Current-Limited DC/DC Converter Simplifies USB Power Supplies
• 3MHz Micropower Synchronous Boost Converters Deliver 3W from Two Cells in a Tiny MSOP Package
• SOT-23 Switching Regulator with Integrated 1A Switch Delivers High Current Outputs in a Small Footprint
• A 500kHz, 6A Monolithic Boost Converter
• Micropower 600kHz Step-up DC/DC Converter Delivers 5V at 1A from a Li-Ion Cell
• Ultralow Noise Switching Regulator Controls EMI
• Off-Line Low Noise Power Supply Does not Require Filtering to Meet FCC Emission Requirements
• “LCD Bias” and “Backup Supply” Applications for a Micropower DC/DC Converter
• Short-Circuit Protection for Boost Regulators
• Single-Cell Micropower Fixed-Frequency DC/DC Converter Needs no Electrolytic Capacitors
• 2 AA Cells Replace 9V Battery, Extend Operating Life
• A Simple, Surface Mount Flash Memory Vpp Generator
• No Design Switching Regulator 5V, 5A Buck (Step-down) Regulator
• Dual Controller Provides 2μs Step Response and 92% Efficiency for 1.5V Rails
• Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and ±50mA VTT Reference
• Single Resistor Sets Positive or Negative Output for DC/DC Converter
• Multiphase DC/DC Controller Pushes Accuracy and Bandwidth Limits
• 2-Phase DC/DC Controller Makes Fast, Efficient and Compact Power Supplies
• High Performance 3-Phase Power Supply Delivers 65A and High Efficiency over the Entire Load Range
• Reduce Component Count and Improve Efficiency in SLIC and RF Power Supplies
• SOT-23 DC/DC Converters Generate up to ±35V Outputs and Consume Only 20μA of Quiescent Current
• 80V Synchronous 4-Switch Buck-Boost Controller Delivers Hundreds of Watts with 99% Efficiency
• Wide Input Voltage Range Boost/Inverting/SEPIC Controller Works down to an Input Voltage of 1.6V
• High Efficiency 4-Switch Buck-Boost Controller Provides Accurate Output Current Limit
• Buck-Boost Controller Simplifies Design of DC/DC Converters for Handheld Products
• Wide Input Voltage Range Buck-Boost Converter Simplifies Design of Variable Input Supplies
• Buck or Boost—Rugged, Fast 60V Synchronous Controller Does Both
• Industry's First 4-Switch Buck-Boost Controller Achieves Highest Efficiency Using a Single Inductor
• High Input Voltage Monolithic Switcher Steps up and down Using a Single Inductor
• Supply 2A Pulses for GSM Transmission from 500mA USB or PCMCIA Ports
• Micropower Buck/Boost Circuits—Converting Three Cells to 3.3V
• 250kHz, 1mA IQ Constant Frequency Switcher Tames Portable Systems Power
• DC/DC Converters for Portable Computers
• No Design Switching Regulator 5V Buck-Boost (Positive-to-Negative) Regulator
• High Voltage Inverting Charge Pump Produces Low Noise Positive and Negative Supplies
• 80V Linear Regulator is Micropower
• Very Low Dropout (VLDO) Linear Regulators Supply Low Voltage Outputs
• Lowest Noise SOT-23 LDOs Have 20μA Quiescent Current, 20μVRMS Noise
• High Efficiency Linear and Switching Solutions for Splitting a Digital Supply
• UltraFast Linear Regulator Eliminates All Bulk Tantalum and Electrolytic Output Capacitors
• Fast Response Low Dropout Regulator Achieves 0.4 Dropout at 4A
• Create a Virtual Ground with a Sink/Source Voltage Regulator
• 5V to 3.3V Regulator with Fail-Safe Switchover
• A Simple Ultralow Dropout Regulator
• Powering 3.3V Digital Systems
• A Simple Ultralow Dropout Regulator
• Dual 13A μModule Regulator with Digital Interface for Remote Monitoring & Control of Power
• 36V Input, Low Output Noise, 5A μModule Regulator for Precision Data Acquisition Systems
• Step-Down μModule Regulator Produces 15A Output from Inputs down to 1.5V—no Bias Supply Required — 1.5V to 5.5V Input, 0.8V to 5V Output from a 15mm × 15mm × 4.32mm LGA Package
• Dual μModule DC/DC Regulator Produces High Efficiency 4A Outputs from a 4.5V to 26.5V Input
• Triple Output DC/DC μModule Regulator in 15mm × 15mm × 2.8mm Surface Mount Package Replaces up to 30 Discrete Components
• Dual 8A DC/DC μModule Regulator is Easily Paralleled for 16A
• μModule Buck-Boost Regulators Offer a Simple and Efficient Solution for Wide Input and Output Voltage Range Applications
• 8A Low Voltage, Low Profile DC/DC μModule Regulator in 9mm × 15mm Package Weighs Only 1g
• Simple and Compact 4-Output Point-of-Load DC/DC μModule System
• 10A High Performance Point-of-Load DC/DC μModule Regulator—4.5V to 28V Input, 0.6V to 5V Output in a 15mm × 15mm × 2.8mm Package
• Isolated Converters Have Buck Simplicity and Performance
• Multiple Output Isolated Power Supply Achieves High Efficiency with Secondary Side Synchronous Post Regulator
• Chip Set Offers Low Cost Alternative to 48V Telecom Modules
• 5V High Current Step-down Switchers
• Ideal Diodes Protect against Power Supply Wiring Errors
• Ideal Diode Controller Eliminates Energy Wasting Diodes in Power OR-Ing Applications
• Replace ORing Diodes with MOSFETs to Reduce Heat and save Space
• Dual Monolithic Ideal Diode Manages Multiple Power Inputs
• PCMCIA Socket Voltage Switching—Why Your Portable System Needs Safeslot Protection
• PC Card Power Management Techniques
• Complete Battery Charger Solution for High Current Portable Electronics—3.5A Charger for Li-Ion/LiFePO4 Batteries Multiplexes USB and Wall Inputs
• Battery Conditioner Extends the Life of Li-Ion Batteries
• Simple Calibration Circuit Maximizes Accuracy in Li-Ion Battery Management Systems
• USB Power Solution Includes Switching Power Manager, Battery Charger, Three Synchronous Buck Regulators and LDO
• Switching USB Power Manager with PowerPath Control Offers Fastest Charge Time with Lowest Heat
• Universal Li-Ion Battery Charger Operates from USB and 6V to 36V Input in Just 2cm2
• Handheld High Power Battery Charger
• Fast, High Efficiency, Standalone NiMH/NiCd Battery Charging
• Dual Smart Battery Charger Simplifies Battery Backup for Servers
• Advanced Topology USB Battery Charger Optimizes Power Utilization for Faster Charging
• Simplify Battery Charging from the USB
• Li-Ion Linear Charger Allows Fast, Full Current Charging While Limiting PC Board Temperature to 85°C
• Dual Battery Power Manager Increases Run Time by 12% and Cuts Charge Time in Half
• Single Inductor, Tiny Buck-Boost Converter Provides 95% Efficiency in Lithium-Ion to 3.3V Applications
• Tiny Step-up/Step-down Power Supply Delivers 3.3V at 1.3A in Battery-Powered Devices
• A Very Low Cost SOT-23 Li-Ion Battery Charger Requires Little Area and Few Components
• Simple Li-Ion Charge Termination Using the LT1505
• Li-Ion Charge Termination IC Interfaces with PWM Switchers
• A Miniature, Low Dropout Battery Charger for Lithium-Ion Batteries
• New Charger Topology Maximizes Battery Charging Speed
• Inexpensive Circuit Charges Lithium-Ion Cells
• Battery Backup Regulator is Glitch-Free and Low Dropout
• Dual PowerPath Controller Simplifies Power Management
• Low Dropout, Constant-Current/Constant-Voltage 3A Battery Charger
• Fused Lead Battery Charger ICs Need no Heat Sinks
• New Micropower, Low Dropout Regulators Ease Battery Supply Designs
• Micropower DC/DC Converter with Independent Low-Battery Detector
• High Efficiency Lithium-Ion Battery Charger
• A 4-Cell NiCd Regulator/Charger for Notebook Computers
• Switching Regulator Allows Alkalines to Replace NiCds
• Tiny 2-Cell Solar Panel Charges Batteries in Compact, Off-Grid Devices
• Energy Harvester Produces Power from Local Environment, Eliminating Batteries in Wireless Sensors
• Step-down Charge Pumps are Tiny, Efficient and Very Low Noise
• New Charge Pumps Offer Low Input and Output Noise
• Step-up/Step-down DC/DC Conversion without Inductors
• Ultralow Quiescent Current DC/DC Converters for Light Load Applications
• Micropower Isolated Flyback Converter with Input Voltage Range from 6V to 100V
• Flyback Controller Simplifies Design of Low Input Voltage DC/DC Converters
• Flyback Controller Improves Cross Regulation for Multiple Output Applications
• No RSENSE Controller is Small and Efficient in Boost, Flyback and SEPIC Applications
• Isolated Flyback Converter Regulates without an Optocoupler
• Isolated DC/DC Conversion
• Isolated Power Supplies for Local Area Networks
• A Battery-Powered Laptop Computer Power Supply
• Supercapacitor-Based Power Backup System Protects Volatile Data in Handhelds When Power is Lost
• Supercapacitor-Based Power Backup Prevents Data Loss in RAID Systems
• Complete Energy Utilization Improves Run Time of a Supercap Ride-Through Application by 40%
• Supercapacitors Can Replace a Backup Battery for Power Ride-Through Applications
• Convert Temperature to Current at High Linearity with Current Source
• Versatile Current Source Safely and Quickly Charges Everything from Large Capacitors to Batteries
• Protect Sensitive Circuits from Overvoltage and Reverse Supply Connections
• Simple Energy-Tripped Circuit Breaker with Automatic Delayed Retry
• Hot Swap Controller, MOSFET and Sense Resistor are Integrated in a 5mm × 3mm DFN for Accurate Current Limit and Load Current Monitoring in Tight Spaces
• Hot Swap Solution Meets AMC and MicroTCA Standards
• An Easy Way to Add Auxiliary Control Functions to Hot Swap Cards
• Electronic Circuit Breaker in Small DFN Package Eliminates Sense Resistor
• AdvancedTCA Hot Swap Controller Monitors Power Distribution
• Protecting and Monitoring Hot Swappable Cards in High Availability Systems
• AdvancedTCA Hot Swap Controller Eases Power Distribution
• PCI Express Power and MiniCard Solutions
• Low Voltage Hot Swap Controller Ignores Backplane Noise and Surges
• Hot Swap Circuit Meets InfiniBand Specification
• Hot Swap and Buffer I2C Buses
• Power Supply Isolation Controller Simplifies Hot Swapping the CompactPCI Bus for 5V-/3.3V-Only Applications
• A 24V/48V HoT Swap Controller
• Dual Channel Hot Swap controller/Power Sequencer Allows Insertion into a Live Backplane
• Hot Swapping the CompactPCI Bus
• Power Solutions for the Device Bay
• Hot Swapping the PCI Bus
• Safe Hot Swapping
• Active Bridge Rectifiers Reduce Heat Dissipation within PoE Security Cameras
• High Power PoE PD Interface with Integrated Flyback Controller
• Simple Battery Circuit Extends Power over Ethernet (PoE) Peak Current
• Fully Autonomous IEEE 802.3af Power over Ethernet Midspan PSE Requires no Microcontroller
• Power over Ethernet Isolated Power Supply Delivers 11.5W at 90% Efficiency
• Pushbutton on/off Controller with Failsafe Voltage Monitoring
• Versatile Voltage Monitors Simplify Detection of Overvoltage and Undervoltage Faults
• Power Supply Sequencing Made Simple
• Pushbutton on/off Controller Simplifies System Design
• Tracking and Sequencing Made Simple with Tiny Point-of-Load Circuit
• Accurate Power Supply Sequencing Prevents System Damage
• Power Supply Tracker Can Also Margin Supplies
• Dual Micropower Comparator with Integrated 400mV Reference Simplifies Monitor and Control Functions
• Monitor Network Compliant −48V Power Supplies
• Multiple Power Supplies Track during Power-up
• I2C Fan Control Ensures Continuous System Cooling
• Monitor System Temperature and Multiple Supply Voltages and Currents
• 60V, Synchronous Step-down High Current LED Driver
• 60V Buck-Boost Controller Drives High Power LEDs, Charges Batteries and Regulates Voltage with up to 98.5% Efficiency at 100W and Higher
• Offline LED Lighting Simplified—High Power Factor, Isolated LED Driver Needs no Opto-Isolators and is TRIAC Dimmer Compatible
• Reduce the Cost and Complexity of Medium LCD LED Backlights with a Single Inductor LED Driver for 60 LEDs
• 100V Controller Drives High Power LED Strings from Just about Any Input
• Triple LED Driver in 4mm × 5mm QFN Supports LCD Backlights in Buck, Boost or Buck-Boost Modes and Delivers 3000-1 PWM Dimming Ratio
• μModule LED Driver Integrates All Circuitry, Including the Inductor, in a Surface Mount Package
• Versatile TFT LCD Bias Supply and White LED Driver in a 4mm × 4mm QFN
• Tiny Universal LED Driver Can Gradate, Blink or Turn on Nine Individual LEDs with Minimal External Control
• Drive Large TFT-LCD Displays with a Space-Saving Triple-Output Regulator
• Versatile High Power LED Driver Controller Simplifies Design
• High Voltage Buck Converters Drive High Power LEDs
• Wide Input Range 1A LED Driver Powers High Brightness LEDs with Automotive and 12VAC Supplies
• Monolithic Converter Drives High Power LEDs
• Quad Output Switching Converter Provides Power for Large TFT LCD Panels
• Basic Flashlamp Illumination Circuitry for Cellular Telephones/Cameras
• DC/DC Converter Drives White LEDs from a Variety of Power Sources
• High Efficiency ThinSOT White LED Driver Features Internal Switch and Schottky Diode
• White LED Driver in Tiny SC70 Package Delivers High Efficiency and Uniform LED Brightness
• Photoflash Capacitor Charger Has Fast Efficient Charging and Low Battery Drain
• High Efficiency White LED Driver Guarantees Matching LED Brightness
• High Power Desktop LCD Backlight Controller Supports Wide Dimming Ratios While Maximizing Lamp Lifetime
• Tiny Regulators Drive White LED Backlights
• High Power CCFL Backlight Inverter for Desktop LCD Displays
• Low Input Voltage CCFL Power Supply
• A Precision Wideband Current Probe for LCD Backlight Measurement
• Floating CCFL with Dual Polarity Contrast
• Versatile Industrial Power Supply Takes High Voltage Input and Yields from Eight 1A to two 4A Outputs
• 65V, 500mA Step-down Converter Fits Easily into Automotive and Industrial Applications
• 2-Phase, Dual Output Synchronous Boost Converter Solves Thermal Problems in Harsh Environments
• High Efficiency USB Power Management System Safely Charges Li-Ion/Polymer Batteries from Automotive Supplies
• Low Profile Synchronous, 2-Phase Boost Converter Produces 200W with 98% Efficiency
• 4-Phase Boost Converter Delivers 384W with no Heat Sink
• Power Monitor for Automotive and Telecom Applications Includes ADC and I2C Interface
• Direct Efficient DC/DC Conversion of 100V Inputs for Telecom/Automotive Supplies
• Monolithic Step-down Regulator Withstands the Rigors of Automotive Environments and Consumes Only 100μA of Quiescent Current
• Monitor and Protect Automotive Systems with Integrated Current Sensing
• High Resolution Video Solutions Using Single 5V Power
• Pass HDMI Compliance Tests with Ease
• Video Difference Amplifier Brings Versatility to Low Voltage Applications
• Video Signal Distribution Using Low Supply Voltage Amplifiers
• Tiny RGB Video Multiplexer Switches Pixels at 100MHz
• An Adjustable Video Cable Equalizer
• 4 × 4 Video Crosspoint Has 100MHz Bandwidth and 85dB Rejection at 10MHz
• Single 4-Input IC Gives over 90dB Crosstalk Rejection at 10MHz and is Expandable
• Send Color Video 1000 Feet over Low Cost Twisted-Pair
• Video Circuits Collection
• Low Cost Differential Input Video Amplifiers Simplify Designs and Improve Performance
• Generating a ±10.24V True Bipolar Input for an 18-bit, 1Msps SAR ADC
• Driving a Low Noise, Low Distortion 18-bit, 1.6Msps ADC
• Driving Lessons for a Low Noise, Low Distortion, 16-bit, 1Msps SAR ADC
• Maximize the Performance of 16-bit, 105Msps ADC with Careful IF Signal Chain Design
• Upgrade Your Microcontroller ADC to True 12-bit Performance
• Digitize a $1000 Sensor with a $1 Analog-to-Digital Converter
• True Rail-to-Rail, High Input Impedance ADC Simplifies Precision Measurements
• Easy Drive ADCs Simplify Measurement of High Impedance Sensors
• Easy Drive Delta-Sigma Analog-to-Digital Converters Cancel Input Current Errors
• 16-bit ADC Simplifies Current Measurements
• 12-bit ADC with Sequencer Simplifies Multiple-Input Applications
• A-to-D Converter Does Frequency Translation
• Resolving Very Small Temperature Differences with a Delta-Sigma ADC
• 1- and 2-Channel No Latency ΔΣ 24-bit ADCs Easily Digitize a Variety of Sensors, Part 1
• 1- and 2-Channel No Latency ΔΣ 24-bit ADCs Easily Digitize a Variety of Sensors, Part 2
• 24-Bit ADC Measures from DC to Daylight
• High Accuracy Differential to Single-Ended Converter for ±5V Supplies
• Micropower MSOP 10-bit ADC Samples at 500ksps
• 16mW, Serial/Parallel 14-Bit ADC Samples at 200ksps
• 16-Bit, 333ksps ADC Achieves 90dB SINAD, −100dB THD and no Missing Codes
• 16-Bit, 100ksps A/D Converter Runs on 5V Supply
• 14-Bit, 800ksps ADC Upgrades 12-Bit Systems with 81.5dB SINAD, 95dB SFDR
• Micropower 4- and 8-Channel, 12-Bit ADCs save Power and Space
• 1.25Msps, 12-bit ADC Conserves Power and Signal Integrity on a Single 5V Supply
• Micropower ADC and DAC in SO-8 Give PCs a 12-Bit Analog Interface
• Micropower 12-Bit ADCs Shrink Board Space
• 1.25Msps 12-Bit A/D Converter Cuts Power Dissipation and Size
• 500ksps and 600ksps ADCs Match Needs of High Speed Applications
• 5V and 3V, 12-Bit ADCs Sample at 300kHz on 75mW and 140kHz on 12mW
• Micropower, SO-8, 8-Bit ADCs Sample at 1kHz on 3μA of Supply Current
• 12-Bit DAC in TSOT-23 Includes Bidirectional REF Pin for Connection to Op Amp or External High Precision Reference
• Highly Integrated Quad 16-Bit, SoftSpan, Voltage Output DAC for Industrial and Control Applications
• Multiple Output Range 16-bit DAC Design Made Simple
• Selecting Op Amps for Precision 16-Bit DACs
• Applications Versatility of Dual 12-Bit DAC
• First Dual 12-Bit DACs in SO-8
• 3V and 5V 12-Bit Rail-to-Rail Micropower DACs Combine Flexibility and Performance
• 12-Bit Rail-to-Rail Micropower DACs in an SO-8
• 16-Channel, 24-Bit ΔΣ ADC Provides Small, Flexible and Accurate Solutions for Data Acquisition
• A Versatile 8-Channel Multiplexer
• Temperature and Voltage Measurement in a Single Chip
• Applications for a Micropower, Low Charge Injection Analog Switch
• 12-Bit 8-Channel Data Acquisition System Interfaces to IBM PC Serial Port
• Auto-Zeroing A/D Offset Voltage
• Complex Data Acquisition System Uses few Components
• A Two Wire Isolated and Powered 10-Bit Data Acquisition System
• Closed Loop Control with Data Acquisition Systems
• Electrically Isolating Data Acquisition Systems
• Temperature Measurement Using Data Acquisition Systems
• Sampling of Signals for Digital Filtering and Gated Measurements
• Data Acquisition Systems Communicate with Microprocessors over Four Wires
• Addressable I2C Bus Buffer Provides Capacitance Buffering, Live Insertion and Nested Addressing in 2-Wire Bus Systems
• Single Interface Chip Controls Two Smart Cards
• Isolated RS485 Transceiver Breaks Ground Loops
• RS485 Transceivers Sustain ±60V Faults
• SMBus Accelerator Improves Data Integrity
• Providing Power for the IEEE1394 “FireWire”
• 5V RS232/RS485 Multiprotocol Transceiver
• 10Mbps Multiple Protocol Serial Chip Set—Net1 and Net2 Compliance by Design
• RS485 Transceivers Operate at 52Mbps over 100 Feet of Unshielded Twisted Pair
• The “Smart Rock”—A Micropower Transponder
• Power Supplies for Subscriber Line Interface Circuits
• Precision Receiver Delay Improves Data Transmission
• RS485 Transceivers Reduce Power and EMI
• Interfacing to V.35 Networks
• ESD Testing for RS232 Interface Circuits
• RS232 Interface Circuits for 3.3V Systems
• RS232 Transceivers for Handheld Computers Withstand 10kV ESD
• Low Power CMOS RS485 Transceiver
• Active Termination for SCSI-2 Bus
• RS232 Transceiver with Automatic Power Shutdown Control
• A Single Supply RS232 Interface for Bipolar A to D Converters
• Design Considerations for RS232 Interfaces
• New 12-Bit Data Acquisition Systems Communicate with Microprocessors over Four Wires
• Extending the Applications of 5V Powered RS232 Transceivers
• New Developments in RS232 Interfaces
• System Monitor with Instrumentation-Grade Accuracy Used to Measure Relative Humidity
• 6-Channel SAR ADCs for Industrial Monitoring and Portable Instruments
• Instrumentation Amplifiers Maximize Output Swing on Low Voltage Supplies
• Ultraprecise Instrumentation Amplifier Makes Robust Thermocouple Interface
• 16-Bit SO-8 DAC Has 1LSB (Max) INL and DNL over Industrial Temperature Range
• Gain Trimming in Instrumentation Amplifier-Based Systems
• Signal Conditioning for Platinum Temperature Transducers
• Designing with a New Family of Instrumental Amplifiers
• High Voltage CMOS Amplifier Enables High Impedance Sensing with a Single IC
• Matched Resistor Networks for Precision Amplifier Applications
• Using a Differential I/O Amplifier in Single-Ended Applications
• Single-Ended to Differential Amplifier Design Tips
• Current Sense Amp Inputs Work from −0.3V to 44V Independent of Supply
• Tiny Amplifiers Drive Heavy Capacitive Loads at Speed
• Micropower Op Amps Work down to 1.8V Total Supply, Guaranteed over Temperature
• Low Noise Amplifiers for Small and Large Area Photodiodes
• Op Amp Selection Guide for Optimum Noise Performance
• Easy-to-Use Differential Amplifiers Simplify Balanced Signal Designs
• Dual 25μV Micropower Op Amp Fits in 3mm × 3mm Package
• 100MHz Op Amp Features Low Noise Rail-to-Rail Performance While Consuming Only 2.5mA
• High Performance Op Amps Deliver Precision Waveform Synthesis
• Power Op Amp Provides on-the-Fly Adjustable Current Limit for Flexibility and Load Protection in High Current Applications
• Fast and Accurate 80MHz Amplifier Draws Only 2mA
• SOT-23 Superbeta Op Amp Saves Board Space in Precision Applications
• 325MHz Low Noise Rail-to-Rail SOT-23 Op Amp Saves Board Space
• Fast Op Amps Operate Rail-to-Rail on 2.7V
• Rail-to-Rail Amplifiers Operate on 2.7V with 20μV Offset
• Single Resistor Sets the Gain of the Best Instrumentation Amplifier
• Maximize Dynamic Range with Micropower Rail-to-Rail Op Amp
• 1μA Op Amp Permits Precision Portable Circuitry
• Low Power, Fast Op Amps Have Low Distortion
• Operational Amplifier Selection Guide for Optimum Noise Performance
• Micropower Dual and Quad JFET Op Amps Feature pA Input Bias Currents and C-Load Drive Capability
• Fast Current Feedback Amplifiers Tame Low Impedance Loads
• C-Load Op Amps Conquer Instabilities
• Applications of a Rail-to-Rail Amplifier
• Source Resistance-Induced Distortion in Op Amps
• C-Load Op Amps Tame Instabilities
• A Broadband Random Noise Generator
• Peak Detectors Gain in Speed and Performance
• 3V Operation of Linear Technology Op Amps
• High Frequency Amplifier Evaluation Board
• Current Feedback Amplifier “Dos and Don'ts”
• Improved JFET Op Amp Macromodel Slews Asymmetrically
• Chopper vs Bipolar Op Amps—An Unbiased Comparison
• Ultralow Noise Op Amp Combines Chopper and Bipolar Op Amps
• A SPICE Op Amp Macromodel
• A Single Amplifier, Precision High Voltage Instrument Amp
• Micropower, Single Supply Applications—(1) a Self-Biased, Buffered Reference (2) Megaohm Input Impedance Difference Amplifier
• Noise Calculations in op amp circuits
• An Op Amp SPICE Macromodel
• Operational Amplifier Selection Guide for Optimum Noise Performance
• Ultraprecise Current Sense Amplifier Dramatically Enhances Efficiency and Dynamic Range
• Dual Current Sense Amplifiers Simplify H-Bridge Load Monitoring
• Precise Gain without External Resistors
• Sense Milliamps to Kiloamps and Digitize to 12 Bits
• Op Amp, Comparator and Reference IC Provide Micropower Monitoring Capability
• Versatile Micropower Voltage Reference Provides Resistor Programmable Output from 0.4V to 18V
• Don't Be Fooled by Voltage Reference Long-Term Drift and Hysteresis
• Voltage References are Smaller and More Precise
• A Precision Active Filter Block with Repeatable Performance to 10MHz
• High Frequency Active Anti-Aliasing Filters
• Design Low Noise Differential Circuits Using a Dual Amplifier Building Block
• A Digitally Tuned Anti-Aliasing/Reconstruction Filter Simplifies High Performance DSP Design
• Replace Discrete Lowpass Filters with Zero Design Effort, Two Item BoM and no Surprises
• Free FilterCAD 3.0 Software Designs Filters Quickly and Easily
• SOT-23 Micropower, Rail-to-Rail Op Amps Operate with Inputs above the Positive Supply
• Get 100dB Stopband Attenuation with Universal Filter Family
• Tiny 1MHz Lowpass Filter Uses no Inductors
• A Family of 8th Order Monolithic Filters in an SO-8 Package
• A 1mV Offset, Clock-Tunable, Monolithic 5-Pole Lowpass Filter
• High Dynamic Range Bandpass Filters for Communications
• Switched-Capacitor Lowpass Filters for Anti-Aliasing Applications
• Chopper Amplifiers Complement a DC Accurate Lowpass Filter
• DC Accurate Filter Eases PLL Design
• Rail-to-Rail I/O and 2.4V Operation Allow UltraFast Comparators to Be Used on Low Voltage Supplies
• A Seven Nanosecond Comparator for Single Supply Operation
• Comparators Feature Micropower Operation under All Conditions
• Ultralow Power Comparators Include Reference
• Using a Low Power SOT-23 Oscillator as a VCO
• SOT-23 1kHz to 30MHz Oscillator with Single Resistor Frequency Set
• Precision LVDT Signal Conditioning Using Direct RMS to DC Conversion
• An Autoranging True RMS Converter
• RMS to DC Conversion Just Got Easy
• High Input IP3 Mixer Enables Robust VHF Receivers
• A Robust 10MHz Reference Clock Input Protection Circuit and Distributor for RF Systems
• A Low Power, Direct-to-Digital IF Receiver with Variable Gain
• Fast Time Division Duplex (TDD) Transmission Using an Upconverting Mixer with a High Side Switch
• Precision, Matched, Baseband Filter ICs Outperform Discrete Implementations
• A Complete Compact APD Bias Solution for a 10Gbits/s GPON System
• Signal Chain Noise Analysis for RF-to-Digital Receivers
• Programmable Baseband Filter for Software-Defined UHF RFID Readers
• High Linearity Components Simplify Direct Conversion Receiver Designs
• Baseband Circuits for an RFID Receiver
• WCDMA ACPR and AltCPR Measurements
• Low Distortion, Low Noise Differential Amplifier Drives High Speed ADCs in Demanding Communications Transceivers
• Wideband RF ICs for Power Detection and Control
• Fiber Optic Communication Systems Benefit from Tiny, Low Noise Avalanche Photodiode Bias Supply
• ADSL Modems That Yield Long Reach and Fast Data Rates
• A Low Power, High Output Current Dual CFA Makes xDSL Line Driving Clean and Easy
• A Low Cost 4Mbps IrDA Receiver in MS8 and SO-8 Packages
• Telephone Ring-Tone Generation