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SLUUBX3B – June 2019 – Revised November 2019
Copyright © 2019, Texas Instruments Incorporated
UCC25640EVM-020 Evaluation Module
User's Guide
SLUUBX3B – June 2019 – Revised November 2019
UCC25640EVM-020 Evaluation Module
1
Introduction
The purpose of the UCC25640EVM-020 (EVM) is to aid in evaluation of the UCC256403 and UCC256404
LLC resonant controller. The EVM is a stand-alone LLC resonant half-bridge DC-DC power converter
designed to operate with DC input from 365 VDC to 410 VDC, AC input from 85 to 265 V
RMS
, 47 to 63 Hz,
and a nominal output of 12 VDC up to 180-W. The EVM is delivered using a diode rectifier at the output.
The user has the option to evaluate this converter with a synchronous rectifier (SR) by populating the
UCC24624 and SR FETs. This user’s guide provides basic evaluation instruction from a viewpoint of
system operation of the stand-alone LLC resonant power converter.
Figure 1. UCC25640EVM-020 Top View
Figure 2. UCC25640EVM-020 Side View