TPS5403 - NON-SYNCHRONOUS STEP-DOWN REGULATOR

Texas Instruments

Datasheet Details

Part number	TPS5403
Manufacturer	Texas Instruments ↗
File Size	1.05 MB
Description	NON-SYNCHRONOUS STEP-DOWN REGULATOR
Datasheet	TPS5403-etcTI.pdf

The TPS5403 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 4.5 V to 28 V.

1.
Fixed 3.3-V Output.
4.5-V to 28-V Wide Input Voltage Range.
Up to 1.7-A Maximum Continuous Output Loading Current.
Pulse Skipping Mode to Achieve High Light Load Efficiency.
Over 80% Efficiency at 10-mA Loading.
Adjustable 50-kHz to 1.1-MHz Switching Frequency Set by an External Resistor (Leave pin ROSC floating. Set frequency to 120 kHz and ground connection to 70 kHz).
Peak Current-Mode Control.
Cycle-by-Cycle Over Curr.

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Published: Apr 1, 2021 |