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MAXREFDES1218: 24V 3A average, 4A peak active-clamp forward DC-DC converter using the MAX17599

MAXREFDES1218: 24V, 3A Average Current, 4A Peak Current Active Clamp Forward DC-DC Converter Using the MAX17599

Overview

Input Type	V _{IN (MIN)} (V)	V _{IN (MAX)} (V)	I_OUT (A)	Single/Multiple Output	V_OUT (V)	P_OUT (W)	Isolated/Non-Isolated	Topology
DC	18	36	4	Single	24	96	Isolated	Forward

The MAXREFDES1218 is an active-clamp forward power supply that delivers up to 4A at 24V from a 18V to 36V supply voltage. It is designed for industrial equipment that needs high power isolated power supply. The typical application of the MAXREFDES1218 is an IO-Link^® application that needs a 24V isolated voltage from an industrial 24V supply voltage.

The MAXREFDES1218 illustrates techniques using the active-clamp forward controller to generate isolated voltages. This document explains how the MAX17599 activeclamp forward controller can be used to generate 24V isolated voltage from 18V to 36V input voltage. An overview of the design specification is shown above.

This board is not available for purchase.

Designed, Built, Tested

This application note describes the hardware shown above. It provides a detailed systematic technical guide to design an active-clamp forward DC-DC converter (ACFC) using the Maxim^® MAX17599 current mode controller. The power supply has been built and tested, details of which follow in this document.

Design Resources

Design Files

Documentation

Download Full Reference Design

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-11 12:21:21

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