DC-DC power supplies

The primary role of DC-DC converters is twofold: conversion to another stable DC voltage and galvanic isolation between two circuits. Point-of-load regulators (PoL) are placed near the load and are small form-factor. High power non-isolated converters are used to efficiently perform the final voltage conversion.

Whilst each solution simply manages the conversion from DC input to a regulated and/or isolated/non-isolated DC output, there is a wide range of options based on size, power, cost and converter technology requirements.

Our technical specialists can advise on all of these aspects, whilst also addressing the issues of efficiency, heat dissipation, isolation and voltage regulation, and can help you choose the most appropriate model for your requirement.

A Distributed Power Architecture (DPA) for boards and systems is often used to break power conversion into 3 sections to control and manage the power train:

  • AC mains power: Rectifiers and front-end power supplies will achieve isolation from the mains and a rectified stable voltage to a distributed voltage bus at either 48V or 12V.
  • Intermediate bus converters (IBC) isolate application boards from the 48V bus voltage down to 12V at a typical narrow load regulation.
  • Point-of-load (PoL) regulators convert the 12V bus voltage to high precision, high efficiency and fast responding low voltages ( 0.6V – 3,3V ) with high current capabilities ( 300mA – 180A ).


Miniature low power
Industry standards
Analog and digital bricks
Intermediate bus converters
Enclosed - open/U frame - DIN rail
DC input rectifier and front-end
Rail and transportation
Special purpose DC-DC converters
LED drivers
High voltage input DC-DC converters
DC-DC input filters
Analog and digital point-of-load
Micro point-of-load converters
Switching voltage regulators
  Isolated   Non-isolated
ABB Power Electronics            
Bel Power Solutions/Melcher            
Delta Electronics          
Flex Power                  
Mean Well              
Murata PS          



DC-DC products and solutions

Explore some of the latest DC-DC products and solutions from our leading power suppliers.

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Are you ready to power your next design?

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Solutions Guide

Powering your designs

However your design is powered, Avnet Abacus can provide market leading end-to-end support for your application, from prototype to production and every step in between. Download our power solutions guide to find out more.

Bel Power Solutions

RCM DC-DC converters

RCM Series (Railway Chassis Mount) DC-DC converters are reliable power supplies for railway and transportation systems, designed for chassis mount applications operating in convection cooled environments.

Bel Power Solutions RCM series

Murata Power Solutions

IRS-Q48 series 1/16th brick DC-DC converters

Murata Power Solutions has launched the IRS-Q48 series of 1/16th brick DC-DC converters for industrial and railway applications.

Artesyn 50 volt DC-DC bricks Product Spotlight

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Artesyn Embedded Technologies

50 volt DC-DC bricks

Artesyn Embedded Technologies announces the AVE450, AVE500 and ADH700 series. All based on a high power density open frame design in a telecom industry-standard half-brick format, with an optional aluminum baseplate for excellent thermal performance.

Flex PKB4413DA 408W DC-DC Converter Module Product Spotlight

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PKB4413DA 408W DC-DC Converter Module

Flex's PKB4413DA is a low-profile, 408W DC-DC converter module, designed to provide point-of-load (POL) converters with tightly regulated 12V output at up to 34A.

Further resources and articles

Explore our additional technical resources, articles and product brochures for DC-DC power.

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Railway power solutions

Whether for control and infrastructure or rolling stock, Avnet Abacus can help you find the right power conversion solutions that can perform safely and reliably in railway applications.

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Engineers' Insight

Meeting standards for rolling stock power supplies

The regulatory requirements surrounding mission-critical and non-mission critical rolling stock power supplies are paramount to application safety, but ready made solutions are available to meet these complex standards.

Advanced Power Architectures EI Spotlight

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Engineers' Insight

How are advanced power architectures enabling industrial applications?

Get a lowdown on the key considerations when designing distributed power architectures into your industrial applications.

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Power Legislation

European power guidelines

Power efficiency guidelines are intended to save energy in the production and use of power supplies.