ST1PS01 Datasheet PDF (400mA nano-quiescent synchronous step-down converter)

ST1PS01 - 400mA nano-quiescent synchronous step-down converter

Description

The ST1PS01 is a nano-quiescent miniaturized synchronous step-down converter, which is able to provide up to 400 mA output current with an input voltage ranging from 1.8 V to 5.5 V.

Features

500 nA input quiescent current at VIN=3.6 V (not switching).
94% typical efficiency at 1 mA load (VIN=3.6 V, VOUT=3.3 V).
100% duty cycle.
1.8 V to 5.5 V input operating range.
Undervoltage lockout: 1.57 V (VIN falling, typ. ).
Up to 400 mA output current capability.
Low power control operation for the best efficiency.
Embedded soft-start circuit.
Tiny external components: L=2.2 µH typ.
Selectable output v.

Datasheet Details

Part number	ST1PS01
Manufacturer	STMicroelectronics
File Size	1.65 MB
Description	400mA nano-quiescent synchronous step-down converter
Datasheet	ST1PS01 Datasheet
Additional preview pages of the ST1PS01 datasheet.

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Full PDF Text Transcription

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ST1PS01 Datasheet 400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good Product status link ST1PS01 Features • 500 nA input quiescent current at VIN=3.6 V (not switching) • 94% typical efficiency at 1 mA load (VIN=3.6 V, VOUT=3.3 V) • 100% duty cycle • 1.8 V to 5.5 V input operating range • Undervoltage lockout: 1.57 V (VIN falling, typ.) • Up to 400 mA output current capability • Low power control operation for the best efficiency • Embedded soft-start circuit • Tiny external components: L=2.2 µH typ. • Selectable output voltages: 0.625 V to 3.3 V • Output voltage Power Good • ±1.

Published: May 9, 2019 |