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Switching Regulators for Industrial Applications

Industrial power applications usually require high input voltage. Standard voltage rails are 10V, 24V, and 48V. The DC-DC step-down (buck) switching regulators and controllers presented here support these rails and provide the solid, reliable performance needed for environments subject to noise, power surges, and outages.

High-Voltage Supply Rails; Low Power

These DC-DC step-down (buck) switching regulator ICs are perfect for industrial applications that have 48V, 24V, and 10V input rails and provide up to 2.5A of output current.
Industrial Regulators, Step-Down from 60V; Up to 5A Output 
View typical application circuits for all industrial regulators; step-down from 60V; up to 3.5A output ›

High-Voltage Supply Rails; Medium Power

These are switching controllers, so they don't have an integrated switch. They are specified for high-input voltage, support industrial power rails, and provide output currents of up to 10A.
Industrial Controllers, Step-Down from 48V; Up to 25A Output 

High Voltage; Isolated

The switching regulator circuits contained in this group are designed for use in industrial applications that require isolation between input and outputs.
Industrial Regulators, Step-Down for Isolated or Offline Power Applications 

Need a low-power isolated-power solution?

Recommended DC-DC converters, Industrial Power Applications 

Technical Documentation

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Technical Documents

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Part Number Title Document Type Date

MAXREFDES1255: 4-Switch Buck-Boost Converter
MAXREFDES1255 is a 4-switch buck boost converter used to generate a positive step-up/stepdown output voltage.
MAXREFDES1252: Miniature, 14.5V/1.2A, No-Opto Flyback DC-DC Converter with 91.7% Efficiency Using MAX17690
The MAXREFDES1238 is a single-input, 6 output, scalable power solution. It meets the Xilinx Versal ACAP power requirements.
MAXREFDES1249: Miniature Universal Input 36W AC-DC Flyback Converter using the MAX17595
The MAXREFDES1249 is a Universal Input (86 to 305VAC) Offline isolated power supply, delivers 36W DC at 48V.
MAXREFDES1261: Asset Tracker Power Management Platform
The MAXREFDES01261 is a reference design of power management platform for asset tracker.
MAXREFDES1244: Miniature, 5V/1.2A, No-Opto Flyback DC-DC Converter with 88% Efficiency Using MAX17690
The MAXREFDES1244 illustrates technique using the No Opto Flyback converter to generate isolated output.
MAXREFDES1251: Single Output Flyback Converter Using MAX17596
MAXREFDES1251 is based on MAX17596 flyback converter. The MAX17596 is a peak-current-mode controller for designing wide input-voltage flyback regulators.
MAXREFDES179# Reference Design Board
The MAXREFDES179 reference design is a complete Universal Serial Bus (USB) type-C PD solution fe...
MAXREFDES104#: Health Sensor Platform 3.0
HSP3 is a unique evaluation and development platform in a wearable form factor that demos the functions of a wide range of our products for health-sensing apps
MAXREFDES1269: 5V/20A, Synchronous Step-Down Converter Using the MAX20098
The MAXREFDES1269 demonstrates how to build a DC-DC buck converter using the MAX20098 step-down ...
MAXREFDES220#: Finger Heart Rate and Pulse Oximeter Smart Sensor with Digital Signal Processing
Integrated solution for heart rate, pulse oximetry, blood oxygen saturation, and blood pressure measurements.
MAXREFDES177# IO-Link Universal Analog IO
The MAXREFDES177# IO-Link®-compliant, universal analog IO reference design uses the MAX22515 IO-Link device transceiver and MAX22000 industrial configurable IO device, and supports the TMG TE IO-Link stack.
MAXREFDES1256: 49W DC-DC Flyback Converter Using MAX17597
The MAXREFDES1256 is an isolated power supply capable of delivering 7V at up to 7A load current.
MAXREFDES1233: 1.8V/10A Core Power Supply for CPUs, Microcontrollers, FPGAs, or DDR2 Interfaces Using the MAX20710
The MAXREFDES1233 provides the internal core voltage (VCCINT) for CPUs, microcontrollers, FPGAs,...
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...
MAXREFDES103#: Wrist-Based SpO2, HR, and HRV Health Sensor Platform
The MAXREFDES103# is a full wrist-worn wearable reference design for heart-rate, heart-rate vari...