ST1S12GR - Synchronous rectification

Product Overview

STMicroelectronics

Datasheet Details

Part number	ST1S12GR
Manufacturer	STMicroelectronics
File Size	279.33 KB
Description	Synchronous rectification
Datasheet	ST1S12GR Datasheet
Additional preview pages of the ST1S12GR datasheet.

Product details

Description

The ST1S12 is a step down DC-DC converter optimized for powering low-voltage digital cores in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause high heating of the application environment.

Features

Step-down current mode PWM (1.7 MHz) DCDC converter 3% DC output voltage tolerance Synchronous rectification Fixed output voltage 1.2 V, 1.8 V, and ADJ (available on request 1.5 V, 2.5 V and 3.3 V) Enable function Internal soft start Typical efficiency: > 90% 0.7 A output current capability Not switching quiescent current: max 650 µA over temperature range RDSON typ. 250 mΩ and 400 mΩ Uses tiny capacitors and inductor.

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Published: Aug 27, 2014 |