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Power-Supply Circuits

Application Notes for:Application Notes by Topology:
ALSO SEE: Power-Supply Cookbook — Tested designs, with bill of materials, to meet your specs.

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PDF (161K) App Note 4266  Abstract
An Efficiency Primer for Switch-Mode, DC-DC Converter Power Supplies
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PDF (45K) App Note 3855  Abstract
Precision Circuit Monitors Negative Supply Current
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PDF (134K) App Note 3245  Abstract
Injection Transformers for Closed-Loop DC-DC Converter Network Analysis
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PDF (145K) App Note 3443  Abstract
Line and Load Transient Testing for Power Supplies
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PDF (72K) App Note 3442  Abstract
Simple PSPICE Model Predicts MAX8546 Stability and Transient Response
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PDF (89K) App Note 3440  Abstract
An Accurate Control Loop Model for Current-Mode Step-Down Controllers
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PDF (136K) App Note 3227  Abstract
Power-On Reset and Related Supervisory Functions
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PDF (190K) App Note 3166  Abstract
Source Resistance: The Efficiency Killer in DC-DC Converter Circuits
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PDF (69K) App Note 2997  Abstract
Basic Switching-Regulator-Layout Techniques
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PDF (75K) App Note 245  Abstract
Adding Hysteresis to CPU Supervisor Voltage Sense Inputs Monitoring Upstream Voltage Supplies for Power-Fail Warnings
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PDF (26K) App Note 2025  Abstract
Relay Driver Requires Only 25% Power
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PDF (21K) App Note 1987  Abstract
Auto-Retry Controller Suits Telecom Applications
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PDF (27K) App Note 1932  Abstract
Simple Circuit Generates Multiple Isolated Supply Voltages
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PDF (31K) App Note 1930  Abstract
Technology Changes: From a Portable Power Point of View
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PDF (92K) App Note 233  Abstract
Regenerating the DS1847/DS1848 Resistor Calibration Constants
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PDF (81K) App Note 1897  Abstract
Building a Power Supply That Works
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PDF (70K) App Note 1861  Abstract
Pass Transistor Boosts Current from Negative Linear Regulator
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PDF (28K) App Note 1853  Abstract
External Pass Transistor Lowers Dropout Voltage
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PDF (48K) App Note 1843  Abstract
Noise Reduction For ADSL Modem Power
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PDF (79K) App Note 1817  Abstract
Reduce Component Count and Cut Costs by Disabling the MAX1737 Source-Current Loop
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PDF (118K) App Note 225  Abstract
Using Digital Potentiometers in Adjustable Step-Down DC-DC Converter Designs
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PDF (81K) App Note 1789  Abstract
A Cheap, Tiny LDO Provides Up To 2A Output Current
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PDF (49K) App Note 1781  Abstract
Graphics Chip Supply Delivers 1.65V at 26A
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PDF (64K) App Note 1767  Abstract
USB-Powered DSL Modem Supply
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PDF (34K) App Note 427  Abstract
48V-to-5V DC-DC Converter Using MAX638 Switching Step-Down Regulator Borrows Power from Phone Lines
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PDF (59K) App Note 1213  Abstract
Tracking Power Supply Has Dual Outputs
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PDF (122K) App Note 716  Abstract
Proper Layout and Component Selection Controls EMI
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PDF (40K) App Note 1158  Abstract
Power Supply From 4-20mA Transmission Line
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PDF (58K) App Note 1133  Abstract
Multiple Voltage Systems Need Supply-Voltage Sequencing
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PDF (50K) App Note 1054  Abstract
Simple Change Improves PFM Boost-Controller Efficiency
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PDF (110K) App Note 895  Abstract
HFAN-03.1.1: Digitally Programmable Low-Noise Avalanche Photo Detector (APD) Bias Circuit
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PDF (33K) App Note 945  Abstract
Step-Up Controller Forms Negative Step-Down Regulator
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PDF (60K) App Note 908  Abstract
Ultra-Low Resistance Surface Mount Current Shunts
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PDF (50K) App Note 718  Abstract
Properties of the Charge-Pump Voltage Splitter
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PDF (149K) App Note 2031  Abstract
DC-DC Converter Tutorial
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PDF (51K) App Note 737  Abstract
Choosing the Right Power-Supply IC for your Application
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PDF (37K) App Note 782  Abstract
Charge Pump Doubles Negative Voltage
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PDF (32K) App Note 673  Abstract
5-to-1.8V Converter Works Without Magnetics
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PDF (20K) App Note 1162  Abstract
A 3.3V Input Step-Down Converter for CPU Cores
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PDF (47K) App Note 476  Abstract
Comparing the I²C Bus to the SMBus
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PDF (23K) App Note 482  Abstract
JFET Increases Voltage Rating for Linear Regulator
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PDF (31K) App Note 478  Abstract
Current-Limit Circuit for the Buck Regulator
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PDF (25K) App Note 529  Abstract
15V Input Converter Generates -185V at 50mA
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PDF (37K) App Note 438  Abstract
3.3V Lithium-Ion-Cell Buck/Boost Supply Requires One Inductor
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PDF (20K) App Note 295  Abstract
Emitter-Follower Boosts Linear Regulator's Output Current
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PDF (32K) App Note 256  Abstract
Two AA Cells Power Step-Down Regulator and 3.3V Boost
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PDF (34K) App Note 254  Abstract
Switch-Mode Converter Starts With Full Load Connected
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PDF (29K) App Note 1910  Abstract
-12V to -5V/400mA Regulator Ensures Sequencing With 5V Rail
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PDF (34K) App Note 90  Abstract
Negative-Output Boost Regulator Has High Efficiency
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PDF (24K) App Note 551  Abstract
Negative Buck Regulator Produces Positive Output
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PDF (1138K) App Note 18  Abstract
Step Down DC-DC Converter Operates as Inverter
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PDF (28K) App Note 1071  Abstract
DAC-Powered Charge Pump Varies Negative Rail
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PDF (28K) App Note 411  Abstract
Derive 12V From 8V to 15V Input
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PDF (39K) App Note 2100  Abstract
Derive 5V From Four AA Cells
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PDF (35K) App Note 496  Abstract
Autotransformer Boosts Maximum VOUT
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PDF (24K) App Note 1016  Abstract
Autotransformer Regulator Inverts 12V to -12V
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PDF (34K) App Note 1923  Abstract
Draw 150mW Of Isolated Power From Off-Hook Phone Line
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PDF (70K) App Note 59  Abstract
Flyback Winding Adds 12V Output To 5V Buck Regulator
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PDF (22K) App Note 577  Abstract
High-Frequency Switching IC Powers Portable Telephone
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PDF (31K) App Note 1808  Abstract
Adjustable LNB Power Supply Is DiSEqC Compatible
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PDF (38K) App Note 1199  Abstract
Voltage-Inverter IC Forms High-Efficiency Rail Splitter
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PDF (30K) App Note 1096  Abstract
Transformer-Driver IC Controls Bidirectional Switch
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PDF (34K) App Note 1072  Abstract
Boost Controller Drives Buck Converter
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PDF (29K) App Note 1029  Abstract
Supply Generates 5V from Low-Voltage Solar-Cell Power
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PDF (32K) App Note 854  Abstract
Memory-Backup Supply is Simple And Efficient

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