TPS54426 4-A Synchronous Step-Down Converter

Texas Instruments

Description

TPS54426 www.ti.com SLVSAD6C * AUGUST 2010 * REVISED JULY 2011 4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT™ Converter with E.
The TPS54426 is an adaptive on-time D-CAP2™ mode synchronous buck converter.

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Datasheet Specifications

Part number: TPS54426
Manufacturer: Texas Instruments ↗
File Size: 1.38 MB
Datasheet: TPS54426-etcTI.pdf
Description: 4-A Synchronous Step-Down Converter

Features

* 1
* 23 D-CAP2™ Mode Enables Fast Transient Response
* Low Output Ripple and Allows Ceramic Output Capacitor
* Wide VIN Input Voltage Range: 4.5 V to 18 V
* Output Voltage Range: 0.76 V to 5.5 V
* Highly Efficient Integrated FET’s Optimized for Lower Duty Cycle

Applications

* 65 mΩ (High Side) and 55 mΩ (Low Side)
* High Efficiency, less than 10 μA at shutdown
* High Initial Bandgap Reference Accuracy
* Adjustable Soft Start
* Pre-Biased Soft Start
* 700-kHz Switching Frequency (fSW)
* Cycle By Cycle Over Current

TPS54426 Distributors

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TPS54426 4-A Synchronous Step-Down Converter Texas Instruments

Texas Instruments TPS54426-like datasheet