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TPS54478 - 4.5-A Synchronous Step-Down Converter

Texas Instruments

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Datasheet Details

Part number	TPS54478
Manufacturer	Texas Instruments ↗
File Size	2.11 MB
Description	4.5-A Synchronous Step-Down Converter
Datasheet	TPS54478-etcTI.pdf

TPS54478 Product details

Description

The TPS54478 device is a full featured 6-V, 4-A, synchronous step down current mode converter with two integrated MOSFETs.

Features

1 Two 30-mΩ (typical) MOSFETs for High Efficiency at 4-A Loads.
200-kHz to 2-MHz Switching Frequency.
0.6-V ± 1% Voltage Reference Over Temperature (.
40°C to +150°C).
Start-up With Prebiased Voltage.
Synchronizes to External Clock.
Adjustable Slow Start / Sequencing.
UV and OV Power-Good Output.
Cycle by Cycle Current Limit and Hiccup Current Protection.
Thermally Enhanced 3-mm × 3-mm 16-Pin WQFN (RTE).

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Published: Jun 15, 2023 |