TPS54478 4.5-A Synchronous Step-Down Converter

Texas Instruments

Description

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS54478 SLVSAS2B * JUNE 2011 The TPS54478 device is a full featured 6-V, 4-A, synchronous step down current mode converter with two integrated MOSFETs.

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Datasheet Specifications

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

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
* Adjust

Applications

* Low-Voltage, High-Density Power Systems
* Point-of-Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
* Broadband, Networking, and Optical Communications Infrastructure VIN CI C ss RT Simplified Schematic VIN CBOOT BOOT R4 TPS54478 LO EN PH

TPS54478 Distributors

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TPS54478 4.5-A Synchronous Step-Down Converter Texas Instruments

Texas Instruments TPS54478-like datasheet