Analog Circuit Design Volume Three

Design Note Collection

1st Edition - November 29, 2014
Authors: Bob Dobkin, John Hamburger
Language: English
Hardback ISBN:
9 7 8 - 0 - 1 2 - 8 0 0 0 0 1 - 4
eBook ISBN:
9 7 8 - 0 - 1 2 - 8 0 0 4 6 6 - 1

Design Note Collection, the third book in the Analog Circuit Design series, is a comprehensive volume of applied circuit design solutions, providing elegant and practical design te… Read more

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Design Note Collection, the third book in the Analog Circuit Design series, is a comprehensive volume of applied circuit design solutions, providing elegant and practical design techniques. Design Notes in this volume are focused circuit explanations, easily applied in your own designs. This book includes an extensive power management section, covering switching regulator design, linear regulator design, microprocessor power design, battery management, powering LED lighting, automotive and industrial power design. Other sections span a range of analog design topics, including data conversion, data acquisition, communications interface design, operational amplifier design techniques, filter design, and wireless, RF, communications and network design.
Whatever your application -industrial, medical, security, embedded systems, instrumentation, automotive, communications infrastructure, satellite and radar, computers or networking; this book will provide practical design techniques, developed by experts for tackling the challenges of power management, data conversion, signal conditioning and wireless/RF analog circuit design.

Dedication 1
Dedication 2
Publishers note
Acknowledgements
Introduction
Foreword
Part 1: Power Management
- Section 1: Power Management Design
- Chapter 1: High Performance Single Phase DC/DC Controller with Power System Management
  - Abstract
  - Introduction
  - 1.8V/30A single phase digital power supply with IIN sense
  - Input current sensing
  - Inductor DCR autocalibration
  - LTpowerPlay GUI
  - Conclusion
- Chapter 2: One Device Replaces Battery Charger, Pushbutton Controller, LED Driver and Voltage Regulator ICs in Portable Electronics
  - Abstract
  - Introduction
  - Pushbutton control
  - Battery, USB, wall and high voltage input sources
  - Battery charger
  - Three bucks, two LDOs and a boost/LED driver
  - Conclusion
- Chapter 3: Simple Circuit Replaces and Improves on Power Modules at Less Than Half the Pricea
  - Abstract
  - Introduction
  - 100W isolated synchronous forward converter in an eighth brick footprint
  - This circuit is flexible
  - Conclusion
- Chapter 4: Wide Input Range, High Efficiency DDR Termination Power Supply Achieves Fast Transient Response
  - Abstract
  - Introduction
  - Overview of the LTC3717
  - Design example
  - Conclusion
- Chapter 5: LTC1628-SYNC Minimizes Input Capacitors in Multioutput, High Current Power Supplies
  - Abstract
  - Introduction
  - Design details
  - Conclusion
- Chapter 6: Dual-Phase High Efficiency Mobile CPU Power Supply Minimizes Size and Thermal Stress
  - Abstract
  - Introduction
  - Design example
  - Conclusion
- Chapter 7: SOT-23 SMBus Fan Speed Controller Extends Battery Life and Reduces Noise
  - Abstract
  - Introduction
  - Boost-start timer, thermal shutdown and overcurrent clamp features
  - Conclusion
- Chapter 8: Active Voltage Positioning Reduces Output Capacitors
  - Abstract
  - Introduction
  - Basic principle
  - Basic implementation
  - Current mode control example—LTC1736
- Chapter 9: 5V to 3.3V Circuit Collection
  - Abstract
  - High efficiency 3.3V regulator
  - 3.3V battery-powered supply with shutdown
  - 3.3V supply with shutdown
  - LT1585 linear regulator optimized for desktop Pentium processor applications
  - LTC1148 5V to 3.38V Pentium power solution 3.5A output current
  - LTC1266 switching regulator converts 5V to 3.38V at 7A for Pentium and other high speed μPs
- Chapter 10: Hex Level Shift Shrinks Board Space
  - Abstract
Section 2: Microprocessor Power Design
- Chapter 11: Cost Effective, Low Profi le, High Efficiency 42A Supply Powers AMD Hammer Processors
  - Abstract
  - Introduction
  - Design example
  - Conclusion
- Chapter 12: Efficient, Compact 2-Phase Power Supply Delivers 40A to Intel Mobile CPUs
  - Abstract
  - Introduction
  - Smaller inductors, simplified thermal management
  - 40A Intel IMVP-III voltage regulator
  - Conclusion
- Chapter 13: Microprocessor Core Supply Voltage Set by I2C Bus without VID Lines
  - Abstract
  - Introduction
  - How it works
  - Why use an SMBus?
  - Desktop/portable VID DC/DC converter
- Chapter 14: High Efficiency I/O Power Generation for Mobile Pentimum III Microprocessors
  - Abstract
- Chapter 15: PolyPhase Surface Mount Power Supply Meets AMD Athlon Processor Requirements with No Heat Sink
  - Abstract
  - Introduction
  - PolyPhase architecture
- Chapter 16: 2-Step Voltage Regulation Improves Performance and Decreases CPU Temperature in Portable Computers
  - Abstract
  - 1-step vs 2-step power conversion
  - Circuit description
  - Regulator efficiency considerations
- Chapter 17: Dual Regulators Power Pentium Processor or Upgrade CPU
  - Abstract
  - A simple solution
  - Conclusion
  - Design equations
- Chapter 18: Big Power for Big Processors: A Synchronous Regulator
  - Abstract
  - LTC1430 performance features
  - A typical 5V to 3.3V application
- Chapter 19: High Efficiency Power Sources for Pentium Processors
  - Abstract
  - Selection of input source
  - Transient response considerations
  - Circuit operation
- Chapter 20: Fast Regulator Paces High Performance Processors
  - Abstract
- Chapter 21: Techniques for Deriving 3.3V from 5V Supplies
  - Abstract
- Chapter 22: Regulator Circuit Generates Both 3.3V and 5V Outputs from 3.3V or 5V to Run Computers and RS232
  - Abstract
  - Mixed 3.3V and 5V RS232 operation
Section 3: Switching Regulator Basics
- Chapter 23: Tiny, Highly Flexable, Dual Boost/Inverter Tracks Supplies
  - Abstract
  - Introduction
  - LT3471 features
  - Easy-to-implement ±15V dual tracking supplies
  - Conclusion
- Chapter 24: Ultralow Noise Switching Power Supplies Simplify EMI Compliance
  - Abstract
  - Introduction
  - Circuit description
  - Conclusion
- Chapter 25: Monolithic DC/DC Converters Break 1MHz to Shrink Board Space
  - Abstract
- Chapter 26: Capacitor and EMI Considerations for New High Frequency Switching Regulators
  - Abstract
  - Capacitor technology considerations
  - Controlling EMI: conducted and radiated
- Chapter 27: Switching Regulator Generates Both Positive and Negative Supply with a Single Inductor
  - Abstract
- Chapter 28: Floating Input Extends Regulator Capabilities
  - Abstract
- Chapter 29: Programming Pulse Generators for Flash Memories
  - Abstract
- Chapter 30: Achieving Microamp Quiescent Current in Switching Regulators
  - Abstract
- Chapter 31: Inductor Selection for Switching Regulators
  - Abstract
Section 4: Switching Regulator Design: Buck (Step-Down)
- Chapter 32: Inverting DC/DC Controller Converts a Positive Input to a Negative Output with a Single Inductor
  - Abstract
  - Advanced controller capabilities
  - −5.2V, 1.7A converter operates from a 4.5V to 16V source
  - High efficiency
  - Conclusion
- Chapter 33: 20V, 2.5A Monolithic Synchronous Buck SWITCHER+ with Input Current, Output Current and Temperature Sensing/Limiting Capabilities
  - Abstract
  - Introduction
  - Output/input current sensing
  - Temperature sensing
  - Conclusion
- Chapter 34: 1.5A Rail-to-Rail Output Synchronous Step-Down Regulator Adjusts with a Single Resistor
  - Abstract
  - Introduction
  - Operation
  - Applications
  - Conclusion
- Chapter 35: 42V, 2.5A synchronous step-down regulator with 2.5μA quiescent current
  - Abstract
  - Introduction
  - High efficiency synchronous operation
  - Short-circuit robustness using small inductors
  - Current sense and monitoring with the LT8611
  - Wide input range operation at 2MHz
  - Low dropout operation
  - Conclusion
- Chapter 36: Bootstrap Biasing of High Input Voltage Step-Down Controller Increases Converter Efficiency
  - Abstract
  - Introduction
  - Employing EXTVCC to improve efficiency
  - Voltage doubler for output voltages below 4.7V
  - Conclusion
- Chapter 37: 36V, 3.5A Dual Monolithic Buck with Integrated Die Temperature Monitor and Standalone Comparator Block
  - Abstract
  - Introduction
  - High input voltage with high transient capability
  - On-die temperature monitoring
  - Standalone comparator block
  - Other features
  - Conclusion
- Chapter 38: 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
  - Abstract
  - Introduction
  - 1.5V/60A, 3-phase power supply
  - Conclusion
- Chapter 39: 2-Phase Synchronous Buck Controller Features Light Load Stage Shedding Mode, Active Voltage Positioning, Low RSENSE and Remote VOUT Sensing
  - Abstract
  - Introduction
  - High efficiency, 2-phase, 4.5V to 14V input, 1.5V/50A output converter
  - Stage Shedding mode
  - Active voltage positioning
  - Inductor DCR sensing temperature compensation
  - Output voltage remote sensing
  - Conclusion
- Chapter 40: Dual Output High Efficiency Converter Produces 3.3V and 8.5V Outputs from a 9V to 60V Rail
  - Abstract
  - Introduction
  - Feature rich
  - Dual output application
  - Single output application
  - Conclusion
- Chapter 41: Dual Output Step-Down Controller Produces 10% Accurate, Efficient and Reliable High Current Rails
  - Abstract
  - Introduction
  - 1.5V/20A and 1.2V/20A buck converter with remote sensing and NTC compensated DCR sensing
  - PolyPhase operation
  - Other important features
  - Conclusion
- Chapter 42: 15VIN, 4MHz Monolithic Synchronous Buck Regulator Delivers 5A in 4mm ՠ4mm QFN
  - Abstract
  - Introduction
  - 1.8VOUT, 2.25MHz buck regulator
  - 1.2VOUT, 10A, dual phase supply
  - Conclusion
- Chapter 43: Dual Output Buck Regulator with Current Partitioning Optimizes Efficiency in Space-Sensitive Applications
  - Abstract
  - Introduction
  - Flexible current partitioning
  - Operation modes and efficiency
  - Application examples
  - Conclusion
- Chapter 44: Triple Buck Regulator Features 1-Wire Dynamically Programmable Output Voltages
  - Abstract
  - Introduction
  - Three individually programmable bucks
  - Configure parallel power stages for different loads
  - Power good indicator
  - Power saving operating modes
  - Programmable clock frequency
  - 2-output, individually programmable 1.2A regulators
  - Conclusion
- Chapter 45: Buck Converter Eases the Task of Designing Auxiliary Low Voltage Negative Rails
  - Abstract
  - Introduction
  - Leave the transformer alone: −3.3VOUT from −12VIN
  - Conclusion
- Chapter 46: Monolithic Synchronous Step-Down Regulator Delivers up to 12A from a Wide Input Voltage Range
  - Abstract
  - Introduction
  - Typical application example
  - Paralleling regulators for >12A
  - Conclusion
- Chapter 47: Step-Down Synchronous Controller Operates from Inputs Down to 2.2V
  - Abstract
  - Introduction
  - “Dying gasp” applications
  - Generate a negative voltage from a low positive VIN
  - Wide input voltage range
  - Conclusion
- Chapter 48: Compact I2C-Controllable Quad Synchronous Step-Down DC/DC Regulator for Power-Conscious Portable Processors
  - Abstract
  - Introduction
  - Four I2C-controllable regulators
  - Power saving operating modes
  - I2C programming of output voltages allows easy sequencing, tracking and margining
  - Conclusion
- Chapter 49: Compact Triple Step-Down Regulator Offers LDO Driver and Output Tracking and Sequencing
  - Abstract
  - Introduction
  - 6V to 36V input to four outputs—1.8V, 3.3V, 5V and 2.5V—one IC
  - Low ripple high frequency operation even at high VIN/VOUT ratios
  - Input voltage lockout and sequencing
  - Conclusion
- Chapter 50: A Positive-to-Negative Voltage Converter Can Be Used for Stable Outputs Even with a Widely Varying Input
  - Abstract
  - Basic operation
  - Component stress in a positive-to-negative topology
  - Circuit description
  - Conclusion
- Chapter 51: One IC Generates Three Sub-2V Power Rails from a Li-Ion Cell
  - Abstract
  - Introduction
  - Triple supply in a tiny package
  - High efficiency and low noise
  - Selectable Burst Mode operation or pulse-skipping at light load
  - Very low dropout (VLDO) linear regulators
  - Power good detection
  - Conclusion
- Chapter 52: 36V 2A Buck Regulator Integrates Power Schottky
  - Abstract
  - Introduction
  - A small, simple solution
  - Low ripple and high efficiency solution over a wide load range
  - Frequency foldback saves chips
  - Conclusion
- Chapter 53: Triple Output 3-Phase Controller Saves Space and Improves Performance in High Density Power Converters
  - Abstract
  - Conclusion
- Chapter 54: Dual Monolithic Step-Down Switching Regulator Provides 1.6A Outputs with Reduced EMI and VOUT as Low as 0.8V
  - Abstract
  - Introduction
  - Typical LT3506A and LT3506 applications
  - Power sequencing without adding components
  - 2-phase switching eases EMI concerns
  - Conclusion
- Chapter 55: A Compact Dual Step-Down Converter with VOUT Tracking and Sequencing
  - Abstract
  - Introduction
  - LT3501 dual converter features
  - Output supply tracking and sequencing
  - High current single VOUT, low ripple 6A output
- Chapter 56: Tiny Monolithic Step-Down Regulators Operate with Wide Input Range
  - Abstract
  - Introduction
  - Low ripple and high efficiency solution over wide load range
  - Small solution size
  - Additional features of LT3481 and LT3493
  - Conclusion
- Chapter 57: Cascadable 7A Point-of-Load Monolithic Buck Converter
  - Abstract
  - Introduction
  - Features
  - Operation
  - Greater than 7A outputs
  - Conclusion
- Chapter 58: High Voltage Current Mode Step-Down Converter with Low Power Standby Capability
  - Abstract
  - Introduction
  - High efficiency at standby
  - 12V/75W synchronous buck DC/DC converter
- Chapter 59: Low EMI Synchronous DC/DC Step-Down Controllers Offer Programmable Output Tracking
  - Abstract
  - Introduction
  - Three choices for start-up control
  - Low EMI DC/DC conversion
  - Conclusion
- Chapter 60: ThinSOT Micropower Buck Regulator Has Low Output Ripple
  - Abstract
  - Introduction
  - Current mode control
  - Design flexibility with integrated boost diode
  - Conclusion
- Chapter 61: Tiny Versatile Buck Regulators Operate from 3.6V to 36V Input
  - Abstract
  - Introduction
  - Small size and versatility
  - LT1936 produces 3.3V at 1.2A from 4.5V to 36V
  - Producing a lower output voltage from the LT1936
  - Negative output from a buck regulator
  - Tiny circuit generates 3.3V and 5V from a minimum 4.5V supply
  - Conclusion
- Chapter 62: High Accuracy Synchronous Step-Down Controller Provides Output Tracking and Programmable Margining
  - Abstract
  - Introduction
  - Start-up and shutdown output tracking
  - Programmable voltage margining
  - Additional features
  - Conclusion
- Chapter 63: 60V, 3A Step-Down DC/DC Converter Has Low Dropout and 100µA Quiescent Current
  - Abstract
  - Introduction
  - Burst Mode operation
  - Low dropout
  - Soft-start
  - Power good
  - Conclusion
- Chapter 64: Monolithic Synchronous Regulator Drives 4A Loads with Few External Components
  - Abstract
  - Introduction
  - High efficiency 2.5V/4A step-down regulator
  - High efficiency 3.3V/4A step-down regulator with all ceramic capacitors
  - Conclusion
- Chapter 65: High Performance Power Solutions for AMD Opteron and Athlon 64 Processors
  - Abstract
  - Introduction
  - 3-phase, 65A AMD VRM design
  - Conclusion
- Chapter 66: High Current Step-Down Controller Regulates to 0.6V Output from 3V Input
  - Abstract
  - Introduction
  - Design examples
  - Conclusion
- Chapter 67: Effi cient Dual Polarity Output Converter Fits into Tight Spaces
  - Abstract
  - Introduction
  - 12V input, ±5V output, only 3mm high
  - Typical bucks with second, negative outputs
  - Conclusion
- Chapter 68: Dual Output Supply Powers FPGAs from 3.3V and 5V Inputs
  - Abstract
  - Introduction
  - Circuit description
  - Conclusion
- Chapter 69: 3A, 2MHz Monolithic Synchronous Step-Down Regulator Provides a Compact Solution for DDR Memory Termination
  - Abstract
  - Introduction
  - 3A, 2.5V to 1.25V step-down DC/DC converter
  - Conclusion
- Chapter 70: 60V/3A Step-Down DC/DC Converter Maintains High Efficiency Over a Wide Input Range
  - Abstract
  - Introduction
  - Efficiency
  - Small size, low output ripple voltage (high switching frequency, all ceramic solution)
  - Peak switch current (not your average current mode converter)
  - Conclusion
- Chapter 71: Monolithic Synchronous Step-Down Regulators Pack 600mA Current Rating in a ThinSOT Package
  - Abstract
  - Introduction
  - Space saving
  - Versatile
  - Fault protection
  - Efficient Burst Mode operation (LTC3406 series)
  - Pulse-skipping mode (LTC3406B series) for low noise
  - 1.8V/600mA step-down regulator using all ceramic capacitors
  - Efficiency considerations
- Chapter 72: High Efficiency Adaptable Power Supply for XENPAK 10Gb/s Ethernet Transceivers
  - Abstract
  - Introduction
  - Adaptable power supply
  - Conclusion
- Chapter 73: High Voltage Buck Regulators Provide High Current, Low Profi le Power Solutions for FireWire Peripherals
  - Abstract
  - Introduction
  - Circuit descriptions
  - Conclusion
- Chapter 74: Efficient DC/DC Converter Provides Two 15A Outputs from a 3.3V Backplane
  - Abstract
  - Introduction
  - Design example
  - Conclusion
- Chapter 75: 60V Step-Down DC/DC Converter Maintains High Efficiency
  - Abstract
  - Introduction
  - Efficiency
  - Output ripple voltage
  - Peak switch current
  - LT1766 features
- Chapter 76: Tiny Buck Regulator Accepts Inputs from 3.6V to 25V and Eliminates Heat Sink
  - Abstract
  - Introduction
  - Complete switcher in ThinSOT results in compact solution
  - The LT1616 produces 3.3V at 400mA
  - Ceramic capacitors are best
  - Smaller than a TO-220
  - 2.5V output
- Chapter 77: 1.4MHz Switching Regulator Draws Only 10µA Supply Current
  - Abstract
  - Introduction
  - LTC3404 features
  - 3.1V/600mA step-down regulator
  - Externally synchronized 3.1V/600mA step-down regulator
  - Conclusion
- Chapter 78: 10µA Quiescent Current Step-Down Regulators Extend Standby Time in Handheld Products
  - Abstract
  - Importance of low quiescent current
  - LTC1878 single Li-Ion to 2.5V regulator
  - LTC1771 3.3V/2A regulator
  - Low operating current without compromising transient response
- Chapter 79: Low Cost PolyPhase® DC/DC Converter Delivers High Current
  - Abstract
  - Introduction
  - Design example
  - Overcurrent limit
  - Multiphase applications
  - Conclusion
- Chapter 80: Unique High Efficiency 12V Converter Operates with Inputs from 6V to 28V
  - Abstract
  - 12V output, single inductor, buck/boost converter
  - Synchronous circuit for higher power, higher VIN
- Chapter 81: Low Cost, High Efficiency 42A DC/DC Converter
  - Abstract
  - Introduction
  - Design example
  - Conclusion
- Chapter 82: High Efficiency PolyPhase Converter Uses Two Inputs for a Single Output
  - Abstract
  - Introduction
  - Design details
  - A typical application
  - Test results
  - Conclusion
- Chapter 83: High Current Dual DC/DC Converter Operates from 3.3V Input
  - Abstract
- Chapter 84: Low Cost Surface Mount DC/DC Converter Delivers 100A
  - Abstract
  - Introduction
  - Design details
  - Conclusion
- Chapter 85: LT1777 High Voltage, Low Noise Buck Switching Regulator
  - Abstract
  - Generating low noise, dual-voltage supplies
- Chapter 86: Low Cost, High Efficiency 30A Low Profi le PolyPhase Converter
  - Abstract
  - Overview of the LTC1629
  - Design example: 30A 2-phase power supply
  - Conclusion
- Chapter 87: 2-Phase Switching Regulator Fits in Tight Places
  - Abstract
- Chapter 88: Low Dropout 550kHz DC/DC Controller Operates from Inputs as Low as 2V
  - Abstract
  - 2.5V, 4A buck DC/DC converter
  - “Zeta” step-up/step-down converter
- Chapter 89: LTC1702/LTC1703 Switching Regulator Controllers Set a New Standard for Transient Response
  - Abstract
- Chapter 90: 60V, High Efficiency Buck Switching Regulators in SO-8
  - Abstract
  - Generating low cost, dual-voltage supplies
  - Conclusion
- Chapter 91: High Efficiency, Monolithic Synchronous Step-Down Regulator Works with Single or Dual Li-Ion Batteries
  - Abstract
  - Single Li-Ion applications
  - Auxiliary winding control using SYNC/FCB pin
- Chapter 92: A Low Cost, Effi cient Mobile CPU Power
  - Abstract
- Chapter 93: Optimizing a DC/DC converter’s output capacitors
  - Abstract
- Chapter 94: LTC1626: Step-Down Converter Operates from Single Li-Ion Cell
  - Abstract
  - Introduction
  - Single-cell Li-Ion operation
  - 100% duty cycle in dropout mode
  - High efficiency 5V to 3.3V conversion
  - Current mode architecture
  - Low voltage low RDS(ON) switch
  - Conclusion
- Chapter 95: Optimized DC/DC Converter Loop Compensation Minimizes Number of Large Output Capacitors
  - Abstract
  - External loop compensation can save money
  - Loop compensation using a dynamic load
- Chapter 96: A High Efficiency 500kHz, 4.5A Step-Down Converter in an SO-8 Package
  - Abstract
  - High efficiency, 25V, 0.07Ω switch
  - 4.5A in an SO-8
  - Dual output SEPIC converter
- Chapter 97: LTC1474/LTC1475 High Efficiency Switching Regulators Draw Only 10µA Supply Current
  - Abstract
  - Inductor current control
  - 3.3V/250mA step-down regulator
  - 3.3V/10mA regulator from a 4mA to 20mA loop
  - Pushbutton ON/OFF operation
- Chapter 98: High Power Synchronous Buck Converter Delivers Up to 50A
  - Abstract
  - Introduction
  - Distributed power
  - Higher input voltages
  - Blame it on the physicists
- Chapter 99: Single IC, Five Output Switching Power Supply System for Portable Electronics
  - Abstract
- Chapter 100: Low Noise Switching Regulator Helps Control EMI
  - Abstract
  - New IC solves old problems
  - New feature provides new EMI control
  - Additional features
- Chapter 101: Effi cient Processor Power System Needs No Heat Sink
  - Abstract
  - New IC powers portable Pentium processor and much more
  - High performance Pentium processor power
  - Portable Pentium processor power
- Chapter 102: A New, High Efficiency Monolithic Buck Converter
  - Abstract
  - Efficiency
  - High frequency operation
  - Constant off-time architecture
  - 100% duty cycle in dropout mode
  - Good start-up and transient behavior
  - 2.5mm typical height 5V-to-3.3V regulator
  - Conclusion
- Chapter 103: Switching Regulator Provides High Efficiency at 10A Loads
  - Abstract
  - N-channel vs P-channel
  - Driving N-channel MOSFETs
  - Basic circuit configurations
  - Conclusion
- Chapter 104: Dual Output Regulator Uses Only One Inductor
  - Abstract
  - Regulation performance and efficiency
  - Output ripple voltage
- Chapter 105: Highly Integrated High Efficiency DC/DC Conversion
  - Abstract
  - LTC1574
  - Low noise regulator
  - LTC1265
  - Battery charger application
  - LTC1574 or LTC1265?
- Chapter 106: Ultra-Low Power, High Efficiency DC/DC Converter Operates Outside the Audio Band
  - Abstract
- Chapter 107: Triple Output 3.3V, 5V, and 12V High Efficiency Notebook Power Supply
  - Abstract
- Chapter 108: Single LTC1149 Provides 3.3V and 5V in Surface Mount
  - Abstract
  - Customizing the circuit
  - Construction notes
  - Other
- Chapter 109: A Simple High Efficiency, Step-Down Switching Regulator
  - Abstract
  - 100% duty cycle in dropout
  - Positive-to-negative converter
- Chapter 110: Delivering 3.3V and 5V at 17W
  - Abstract
  - Performance
  - Theory of operation
  - Circuit particulars
- Chapter 111: Low Parts Count DC/DC Converter Circuit with 3.3V and 5V Outputs
  - Abstract
  - Performance
  - Inductor
  - Capacitors
  - Layout
  - Heat sinking
- Chapter 112: New Synchronous Step-Down Switching Regulators Achieve 95% Efficiency
  - Abstract
- Chapter 113: High Performance Frequency Compensation Gives DC-to-DC Converter 75µs Response with High Stability
  - Abstract
  - Inductors
  - Capacitors
  - Layout
  - Output adjustment
  - Heat sinking
Section 5: Switching Regulator Design: Boost Converters
- Chapter 114: 1µA IQ Synchronous Boost Converter Extends Battery Life in Portable Devices
  - Abstract
  - Introduction
  - 1.8V to 5.5V input to 12V output boost regulator
  - Output disconnect
  - Start-up inrush current limiting
  - Conclusion
- Chapter 115: Ultralow Power Boost Converters Require Only 8.5µA of Standby Quiescent Current
  - Abstract
  - Introduction
  - Application example
  - Ultralow quiescent current boost converter with output disconnect
  - Compatible with high impedance batteries
  - Conclusion
- Chapter 116: Tiny Dual Full-Bridge Piezo Motor Driver Operates from Low Input Voltage
  - Abstract
  - Introduction
  - Single driver application
  - Using external power supply
  - Operating Piezo motor with long wires
  - Conclusion
- Chapter 117: Tiny Synchronous Step-Up Converter Starts Up at 700mV
  - Abstract
  - Introduction
  - Conclusion
- Chapter 118: High Efficiency 2-Phase Boost Converter Minimizes Input and Output Current Ripple
  - Abstract
  - Introduction
  - Conclusion
- Chapter 119: ThinSOT Switching Regulator Controls Inrush Current
  - Abstract
  - Introduction
  - A simple solution
  - Conclusion
- Chapter 120: Dual DC/DC Converter with Integrated Schottkys Generates ±40V Outputs and Consumes Only 40µA Quiescent Current
  - Abstract
  - Introduction
  - Dual output ±20V converter
  - Dual output (±40V) converter
  - CCD sensor bias supply
  - Conclusion
- Chapter 121: Compact Step-Up Converter Conserves Battery Power
  - Abstract
  - Introduction
  - 16V bias supply
  - 20V bias supply with variable output voltage
  - ±20V bias supply
  - 34V bias supply
  - Conclusion
- Chapter 122: 2-Phase Boost Converter Delivers 10W from a 3mm ՠ3mm DFN Package
  - Abstract
  - Introduction
  - Dual phase converter reduces output ripple
  - Smaller layout is possible by reducing the number of external components
  - Antiringing feature in discontinuous operation
  - Conclusion
- Chapter 123: 4-Phase Monolithic Synchronous Boost Converter Delivers 2.5A with Output Disconnect in a 5mm ՠ5mm QFN Package
  - Abstract
  - Introduction
  - Multiple operating modes optimize performance in different applications
  - Fault protection
  - High power and high efficiency in a small package
  - Conclusion
- Chapter 124: Boost Regulator Makes Low Profi le SEPIC with Both Step-Up and Step-Down Capability
  - Abstract
  - Introduction
  - 3V to 20V input, 5V output, 3mm maximum height SEPIC
  - 4V to 18V input, 12V output, 3mm maximum height SEPIC
  - Conclusion
- Chapter 125: Dual Monolithic Buck Regulator Provides Two 1.4A Outputs with 2-Phase Switching to Reduce EMI
  - Abstract
  - Introduction
  - Circuit description
  - High frequency, current mode switching minimizes component size
  - 2-phase switching eases EMI concerns
  - Soft-start and power good pins simplify supply sequencing
  - Conclusion
- Chapter 126: 4MHz Monolithic Synchronous Step-Down Regulators Bring High Efficiency to Space-Sensitive Applications
  - Abstract
  - Introduction
  - Multiple operating modes allow optimization of efficiency and noise suppression
  - Two 2.5V step-down converters
  - Conclusion
- Chapter 127: Tiny and Efficient Boost Converter Generates 5V at 3A from 3.3V Bus
  - Abstract
  - Introduction
  - 3.3V input, 5V/3A output boost regulator
  - 2-cell input, 3.3V/1A output regulator
  - Conclusion
- Chapter 128: Tiny Boost Controller Provides Efficient Solutions for Low Voltage Inputs
  - Abstract
  - Introduction
  - 3.3V to 5V converters
  - Choosing the MOSFET
  - Automotive supply
  - Conclusion
- Chapter 129: Current-Limited DC/DC Converter Simplifies USB Power Supplies
  - Abstract
  - USB to 12V boost converter
  - USB to 5V SEPIC DC/DC converter with short-circuit protection
  - Li-Ion white LED driver
- Chapter 130: 3MHz Micropower Synchronous Boost Converters Deliver 3W from Two Cells in a Tiny MSOP Package
  - Abstract
  - All-ceramic-capacitor, 2-cell to 3.3V, 1A converter
  - High efficiency Li-Ion CCFL backlight application
- Chapter 131: SOT-23 Switching Regulator with Integrated 1A Switch Delivers High Current Outputs in a Small Footprint
  - Abstract
  - 5V local supply
  - 12V local supply
  - ±15V dual output converter with output disconnect
- Chapter 132: A 500kHz, 6A Monolithic Boost Converter

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Analog Circuit Design Volume Three

Design Note Collection

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