1 Introduction
1.1 Description
The TPS53128EVM-620 evaluation board provides the user with a convenient way to evaluate the TPS53128
dual D-CAP2
™
mode control step-down controller in a realistic cost-sensitive application. Providing both a low
core-type 1.05-V and I/O type 1.8-V output at up to 4 A from a loosely regulated 12-V (8-V to 22-V) source,
the TPS53128EVM-620 includes switches and test points to assist a user in evaluating the performance of the
TPS53128 controller in their application.
1.2 Application
• Digital television
• Set-top box
• DSL and cable modems
• Cost-sensitive digital consumer products
1.3 Features
• 8-V to 22-V input
• 1.05-V and 1.8-V output
• Up to 4 A per channel output
• 350-kHz psudeo-fixed frequency D-CAP2 mode control
• Independent enable switches for power-on/power-off testing
Introduction
SLVU433A – FEBRUARY 2011 – REVISED JANUARY 2022
TPS53128 Buck Controller Evaluation Module User's Guide
3
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