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

Manufacturer: STMicroelectronics

ST1PS01 400ma nano-quiescent synchronous step-down converter by STMicroelectronics - Datasheet Preview

Datasheet Details

Part number	ST1PS01
Manufacturer	STMicroelectronics
File Size	1.65 MB
Description	400mA nano-quiescent synchronous step-down converter
Download	ST1PS01 Download (PDF)

General 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.

This converter is specifically designed for applications where high efficiency, PCB size and thickness are the key factors.

The output voltage can be set using two digital control inputs, a VOUT from 0.625 V to 3.3 V can be dynamically selected.

Overview

ST1PS01 Datasheet 400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good Product status link.

Key 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.

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