TPS54429 Datasheet - Texas Instruments

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TPS54429 4.5-A Synchronous Step-Down Converter

www.ti.com TPS54429 SLVSAS1 * FEBRUARY 2011 7V to 18V Input, 4.5-A Synchronous Step-Down ( SWIFT™) Converter Check for Samples: TPS54429 FEA.
The TPS54429 is an adaptive on-time D-CAP2™ mode synchronous buck converter.

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Datasheet Details

Part number:

TPS54429

Manufacturer:

Texas Instruments ↗

File Size:

1.18 MB

Description:

4.5-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: 7 V to 18 V
* Output Voltage Range: 0.76 V to 5.5 V
* Highly Efficient Integrated FET’s Optimized for Lower Duty Cycle Ap

Applications

* 63 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

TPS54429 Distributors

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TPS54429 4.5-A Synchronous Step-Down Converter Texas Instruments

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