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Maxim > Designer's Library > App Notes

Application Notes by Category

Over 2000 application notes and technical articles written by engineers, for engineers.
You can comment on any application note and contribute to the engineering community.
These articles offer experienced analysis, design ideas, reference designs, and tutorials—to make you an expert.

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Newest Appnotes

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.

Buck/Step-Down

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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 (159K)

App Note 4365 Abstract
Reference Design Using the MAX15026 for an Auxiliary Power Supply for LCD TVs or Set-Top Boxes

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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 (37K)

App Note 752 Abstract
Creating a Fast Load Transient

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PDF (118K)

App Note 4181 Abstract
Simplify the Design of 1-Cell Li+ Battery-Operated Devices

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PDF (117K)

App Note 4150 Abstract
Reference Design Using the MAX5066 for a High Performance Application

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PDF (75K)

App Note 4152 Abstract
Reference Design for the MAX5073 Dual Buck Converter Operating at a Switching Frequency of 2MHz

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PDF (64K)

App Note 4087 Abstract
An Introduction to Switch-Mode Power Supplies

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PDF (155K)

App Note 3983 Abstract
Designing Single-Switch, Resonant-Reset, Forward Converters

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PDF (92K)

App Note 3939 Abstract
DC-DC Controllers Use Average-Current-Mode Control for Infotainment Applications

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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 (123K)

App Note 3767 Abstract
Meeting the Challenges of Power-Supply Design for Modern, High-Current CPUs

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PDF (27K)

App Note 3753 Abstract
Thermistor Linearizes Current Limit

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PDF (120K)

App Note 3672 Abstract
Noise Reduction for the MAX1864 Auxiliary Regulator

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PDF (81K)

App Note 3668 Abstract
High-Efficiency Current Drive for High-Brightness LEDs

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PDF (149K)

App Note 3638 Abstract
2.2MHz Buck or Boost Power Supply for ADSL2+ Chipset

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PDF (36K)

App Note 3626 Abstract
Adding a Watchdog to a Dual-Output Power Supply

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PDF (38K)

App Note 3603 Abstract
Buck Converters Proliferate in Handhelds as Features and Processing Power Increase

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PDF (151K)

App Note 3581 Abstract
MAX5074 5V, 3A Reference Design

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PDF (101K)

App Note 3560 Abstract
High-Efficiency DC-DC Converter Fits LDO Footprint

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App Note 3519 Abstract
Integrated DC-DC Converters Save Space and Design Time in Distributed-Power Systems

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PDF (103K)

App Note 3499 Abstract
Compact-Footprint, 60A, Two-Phase Power Supply for AMD K8 Motherboards

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PDF (50K)

App Note 3434 Abstract
RF Power Reduction for CDMA/WCDMA Cellular Phones

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PDF (72K)

App Note 3442 Abstract
Simple PSPICE Model Predicts MAX8546 Stability and Transient Response

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App Note 3244 Abstract
3mm-Tall, Dual-Phase, Step-Down, DC-DC Converter Delivers 1.6V at 20A from 12V for Mobile Processor Cores

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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 (79K)

App Note 3356 Abstract
MAX1917 Provides Pre-Bias Soft Start for Redundant Supply

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PDF (48K)

App Note 3324 Abstract
Buck Regulator Forms High-Power Inverting -5V Supply

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PDF (87K)

App Note 3174 Abstract
Selecting Power Management for Cellular Handsets

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PDF (69K)

App Note 2997 Abstract
Basic Switching-Regulator-Layout Techniques

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PDF (53K)

App Note 2767 Abstract
DAC Makes Controller Programmable

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PDF (40K)

App Note 1901 Abstract
Convert the MAX1937/8/9 from Latch Off Mode to Hiccup Mode Under Short Circuit Condition

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PDF (81K)

App Note 1897 Abstract
Building a Power Supply That Works

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PDF (54K)

App Note 1882 Abstract
Increase the Power of a Buck (Step-Down) Switching Power Supply IC

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PDF (37K)

App Note 1857 Abstract
DDR Memory-Termination Supply

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PDF (87K)

App Note 1845 Abstract
Choosing the Right DC-DC Converter for Automotive Applications

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PDF (106K)

App Note 1832 Abstract
Power Supply Engineer's Guide to Calculate Dissipation for MOSFETs in High-Power Supplies

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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 (55K)

App Note 1782 Abstract
Small Footprint, 10us Response Time, 10mV Output Ripple, 1MHz, 6A Step-Down Regulator

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PDF (83K)

App Note 1775 Abstract
Power Supply for DDR-SDRAM Termination Operates From 3V to 5.5V Input

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PDF (32K)

App Note 1157 Abstract
Parallel-Port Interface Powers Low Voltage Systems

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PDF (122K)

App Note 716 Abstract
Proper Layout and Component Selection Controls EMI

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PDF (33K)

App Note 1153 Abstract
MAX1967 Efficiency Improvement with 3.3V Input

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PDF (81K)

App Note 672 Abstract
Power Supplies for Pentium, PowerPC, and Beyond

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PDF (193K)

App Note 1062 Abstract
Designing Compact Telecom Power Supplies

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PDF (239K)

App Note 986 Abstract
Input and Output Noise in Buck Converters Explained

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PDF (36K)

App Note 1149 Abstract
DDR Memory-Termination Supply

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PDF (46K)

App Note 1147 Abstract
Simple Current Source Determines the MAX1802 Auxiliary Controller Switching Frequency

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PDF (194K)

App Note 280 Abstract
Power Supplies for Telecom Systems

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PDF (59K)

App Note 1135 Abstract
Small Capacitor Improves Efficiency in High-Power CPU Supply

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PDF (47K)

App Note 1121 Abstract
Using Ceramic Output Capacitors with the MAX1734 Voltage-Mode Buck Converter

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PDF (64K)

App Note 1077 Abstract
DC-to-DC Converter Combats EMI

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PDF (77K)

App Note 1053 Abstract
VDDQ Supply for Server DDR Memory Using PWM Step-Down Controller

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PDF (42K)

App Note 1045 Abstract
One Megahertz Adaptable Power Supply Meets XENPAK MSA Specification

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PDF (64K)

App Note 1044 Abstract
Design of Graphic Chip and Related Circuitry Power Supplies Using MAX1953 1MHz PWM Step-down Controller

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PDF (106K)

App Note 1014 Abstract
Design Case Study: Designing a Power Supply for a Portable, Wireless Contact Manager

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PDF (76K)

App Note 993 Abstract
Adding Voltage Droop to DDR Memory Termination Voltage Supply Reduces Output Capacitance

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PDF (45K)

App Note 967 Abstract
How to Minimize Power Dissipation in Li+ Linear Chargers

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PDF (42K)

App Note 959 Abstract
Dual 600mA Buck Converter for Logic Supply and Core Supply at 1V or Less

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PDF (33K)

App Note 945 Abstract
Step-Up Controller Forms Negative Step-Down Regulator

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PDF (117K)

App Note 735 Abstract
Layout Considerations for Non-Isolated DC-DC Converters

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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 (87K)

App Note 841 Abstract
Multiple Output Power Supplies with Output Sequencing

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PDF (31K)

App Note 821 Abstract
The MAX1864/MAX1865 Compensation Calculator

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PDF (51K)

App Note 1205 Abstract
W-CDMA Power Supply Dramatically Improves Transmit Efficiency

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PDF (32K)

App Note 673 Abstract
5-to-1.8V Converter Works Without Magnetics

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PDF (30K)

App Note 1180 Abstract
High-Accuracy Current-Sense Amplifier Enables Current Sensing and Current Sharing

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PDF (31K)

App Note 478 Abstract
Current-Limit Circuit for the Buck Regulator

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PDF (19K)

App Note 479 Abstract
All-Ceramic 320mA Step-Down Converter for USB

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PDF (30K)

App Note 473 Abstract
Maxim's Integrated Power Supplies Provides a Highly Reliable and Space-Saving Approach to Post-Regulators

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

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PDF (85K)

App Note 678 Abstract
Turnkey Power-Supply Solutions Power Pentium® Pro µPs

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PDF (31K)

App Note 260 Abstract
Miniature Temperature Monitors Drive 3-Speed Fan Controller

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PDF (24K)

App Note 998 Abstract
5V Step-Down Converter Has Transformer-Isolated Feedback

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PDF (24K)

App Note 551 Abstract
Negative Buck Regulator Produces Positive Output

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PDF (26K)

App Note 930 Abstract
Synchronous Buck-Regulator Output Terminates High-Speed Data

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PDF (70K)

App Note 59 Abstract
Flyback Winding Adds 12V Output To 5V Buck Regulator

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PDF (165K)

App Note 933 Abstract
Negative Buck Regulator Employs Step-Up Controller

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