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Our high-efficiency DC-DC switching regulator ICs generate less heat, consume less current and require less board space than other solutions, enabling more robust operation and longer battery life. Switching regulator circuits use a power switch, an inductor, and a diode to transfer energy from input to output. The basic components of the switching circuit can be rearranged to form a step-down (buck) converter, a step-up (boost) converter, or an inverter (flyback). Feedback and control circuitry can be added to regulate the energy transfer and maintain a constant output. Our wide selection of DC-DC converters offer high switching frequencies, very efficient internal switching elements, wide input voltage ranges, and built-in circuit protection to support a broad range of applications.

Step-Down (Buck)

Find Maxim’s Step-Down (Buck) Switching Regulators. Optimize your applications with Maxim Integr...

Inverting

Switching regulators ICs convert input voltages into higher output voltages.

Power Modules

Maxim Integrated's Himalaya Power Modules integrate most of the components needed for a power su...

Featured Technical Documents

Design Solution Mobile Power Selector Guide

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Technical Documents Boost/Step-Up

Technical Documents Buck-Boost/Step-Down

Technical Documents Buck/Step-Down

Technical Documents Inverter/Negative Output

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Featured Videos


Advantages of Using the MAX77816 Buck-Boost Regulator for Seamless Power Supply Transitions
05:59 February 22, 2019


How to Design a Power Supply in Five Minutes or Less with the EE-Sim® Design Tool
6:28 May 25, 2018


nanoPower Boost Converter Demo
5:26 March 10, 2017


EE-Sim Webscope Waveform Viewer
3:03 January 10, 2017

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Featured Products

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MAX77231

Compact boost with only 35µVRMS ripple and noise.
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MAX17242

Reliable Operation (42V Input Transient Protection), Long Battery Life (15µA IQ) and EN55022 EMI Performance.
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MAX77596

This small, synchronous buck converter with integrated switches can deliver up to 300mA with input voltages from 3.5V to 24V, while using only 1.1μA q...
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MAX77801

The MAX77801 is a high-current, high-efficiency buck-boost targeted to mobile applications that use a Li-ion battery or similar chemistries. The MAX77...

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Featured Reference Designs

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MAXM17532EVKIT

Integrated power solution providing 5V from a wide input range of 10V to 42V with up to 100mA of...
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MAXM15462EVKIT

Integrated power solution providing 3.3V from a wide input range of 4.5V to 42V with up to 300mA...
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MAXREFDES108

This non-isolated PoE powered device design combines a PD controller and buck converter on a 1.2...
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MAXREFDES121

Isolated, industrial power-supply reference design with an efficient active-clamp topology desig...

Latest Reference Designs

MAXREFDES1238: Scalable, Single Input, 6 Output, Power Solution for the Versal ACAP Platform

In this design a single 12V input supplies a circuit which outputs 6 separate rails ranging from...

MAXREFDES175#: Remote Phantom Supply BeagleBone Black Cape

A complete automotive, high-voltage, 8-channels remote supply BeagleBone Black cape reference de...

MAXREFDES1194: Five-Output, No-Opto Flyback DC-DC Converter Using the MAX17690

The MAXREFDES1194 is a no-opto flyback DC-DC power supply that delivers five outputs from a 6V t...

MAXREFDES1200: Two-Layer Board, 3.3V/2.5A, Synchronous Buck DC-DC Converter Using the MAX17244

The MAXREFDES1200 demonstrates how to build a lowcost buck DC-DC converter using the step-down c...

MAXREFDES1131: 0.72V/12A Supply for Xilinx Ultrascale+ FPGAs

The MAXREFDES1131 provides the internal core voltage (VCCINT) for Xilinx Ultrascale+ FPGAs. This...

MAXREFDES32#: 2-Channel Analog Input/Analog Output with Flyback DC-DC

MAXREFDES32# subsystem reference design is a high-speed, high-accuracy, 16-bit, 2-channel simult...

MAXREFDES71#: 2-Channel Analog Input/Analog Output with Transformer Driven Power

MAXREFDES71# subsystem reference design is a high-speed, high-accuracy, 16-bit, 2-channel simult...

Palo Verde (MAXREFDES33#): Step-Down Converter

The Palo Verde (MAXREFDES33#) subsystem design features a highly efficient, synchronous DC-DC co...

Fit 1 Vital Signs Monitoring Shirt

The "Fit" vital signs monitoring shirt allows medical professionals and fitness enthusiasts to e...

Layout Guidelines for the MAX16974/MAX16975/MAX16976 DC-DC Converters

Optimize the layout of the MAX16974/MAX16975/MAX16976 high-performance DC-DC converters, standar...

Supply-Chopped Dimming Control Boosts LED Driver Efficiency and Keeps Inrush Currents to a Minimum

LED driver reference design drives a single LED string with forward voltages up to 60V and allow...

Adding Three Power MOSFETs Lets a Single Step-Down Converter Drive RGB LEDs in Projectors

Reference design (RD) for low-power projector drives RGB high-brightness (HB) LEDs with up to 10...

Reference Design for a High-Input-Voltage, High-Output-Current Buck Controller Using the MAX15046

This reference design presents a circuit for using a step-down power-supply controller for high-...

Designing a Buck-Boost LED Driver Using the MAX16834

The MAX16834 current-mode high-brightness LED driver is featured, and the MAX16834 EV (evaluatio...

Boost Backlight LED Driver

A LED display backlight driver using a boost switching power supply and linear current sinks for...

Reference Design for a Signal-Lamp LED Driver

A linear LED driver for 6 strings of 4 LEDs at a current of 350mA per string. Uses the MAX16836.

Offline LED Driver Reference Design

An 27 LED driver intended to run directly off a 400VDC input.

Reference Design for a 3S3P Rear Combination Lamp (RCL) LED Driver

An LED driver for a Rear Combination Lamp (RCL) using the MAX16823 and external BJTs.

Reference Design for a High-Current Power Supply with Lossless Current Sensing Using the MAX5060

In these days data processing elements are demanding higher currents from power supply for achie...

How to Use the MAX15005 Current-Mode Controller as a Boost Circuit for an Automotive Cold-Crank Condition

Boost application for steping up the battery voltage during cold crank for automotive applicatio...