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Application Notes

Over 2200 application notes and technical articles written by engineers, for engineers.
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These articles offer experienced analysis, design ideas, reference designs, and tutorials—to make you an expert.

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Power-supply circuits

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

Charge pump

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App Note 4646 Abstract
Use thermal analysis to predict an IC's transient behavior and avoid overheating

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PDF (30K)

App Note 4417 Abstract
Transceiver IC Generates ±30V

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PDF (108K)

App Note 4456 Abstract
Understand Thermal Derating Aspects of PWM ICs to Ensure the Best System Performance

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PDF (70K)

App Note 4187 Abstract
Negative Charge Pumps Achieve Inductor-Like Efficiency for WLED Backlights

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App Note 752 Abstract
Creating a Fast Load Transient

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App Note 4078 Abstract
Extend Current-Sense Amplifier's Input Range Down to 0V

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PDF (224K)

App Note 3740 Abstract
How to Generate Auxiliary Supplies from a Positive Buck DC-DC Converter

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PDF (34K)

App Note 3659 Abstract
Simple Circuit Converts +5V to -10V

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PDF (27K)

App Note 3534 Abstract
Charge Pump Converts -5V to +5V

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PDF (30K)

App Note 3441 Abstract
Circuit Board Layout Guidelines for White LED Charge Pumps

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PDF (105K)

App Note 3243 Abstract
White-LED Boost Converter vs. Charge Pump

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PDF (38K)

App Note 3330 Abstract
Build a Charge Pump with Ultra-Low Quiescent Current (Iq)

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PDF (42K)

App Note 3202 Abstract
5V Auxiliary Power Supply Teams LDO and Charge Pump

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PDF (145K)

App Note 1804 Abstract
Driving LEDs in Battery-Operated Applications: Controlling Brightness Power Efficiently

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App Note 1876 Abstract
Doubler/Inverter Charge Pumps Divide by Two

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App Note 1875 Abstract
Triple Capacitive Voltage Inverter with the MAX871

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PDF (31K)

App Note 1803 Abstract
Simple Circuit Provides +5V Gate Bias From -48V Input

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PDF (37K)

App Note 1751 Abstract
High-V DC-DC Converter Is Ideal for MEMS (Warning: High-Voltage Circuit)

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PDF (59K)

App Note 1213 Abstract
Tracking Power Supply Has Dual Outputs

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PDF (170K)

App Note 1037 Abstract
Charge-Pump and Step-Up DC-DC Converter Solutions for Powering White LEDs in Series or Parallel Connections

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App Note 1021 Abstract
Buck/Boost Charge-Pump Regulator Powers White LEDs from a Wide 1.6V to 5.5V Input

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App Note 718 Abstract
Properties of the Charge-Pump Voltage Splitter

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PDF (38K)

App Note 737 Abstract
Choosing the Right Power-Supply IC for your Application

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PDF (43K)

App Note 824 Abstract
Miniature, Precision Negative Reference Requires No Precision Resistors

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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 (26K)

App Note 297 Abstract
Tripler Converts 5V to 15V

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PDF (57K)

App Note 269 Abstract
Trading Performance for Cost in Portable Power Supplies

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App Note 1071 Abstract
DAC-Powered Charge Pump Varies Negative Rail

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PDF (22K)

App Note 577 Abstract
High-Frequency Switching IC Powers Portable Telephone

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PDF (43K)

App Note 146 Abstract
DC-DC Switch-Mode Power-Supply Controller Drives Regulated Charge Pump

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PDF (38K)

App Note 1199 Abstract
Voltage-Inverter IC Forms High-Efficiency Rail Splitter

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App Note 974 Abstract
Discrete Charge Pump Adds -12V Output to +12V Boost Converter

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