ST1S03A Datasheet step-down switching regulator

Manufacturer: STMicroelectronics

ST1S03A step-down switching regulator by STMicroelectronics - Datasheet Preview

Datasheet Details

Part number	ST1S03A
Manufacturer	STMicroelectronics
File Size	306.42 KB
Description	step-down switching regulator
Datasheet	ST1S03A Datasheet

General Description

The ST1S03A is a step down DC-DC converter optimized for powering low-voltage digital core in HDD applications and, generally, to replace the high current linear solution when the power Order codes Part number ST1S03APMR ST1S03AIPMR ST1S03APUR ST1S03AIPUR May 2007 Packaging Tape & reel Tape & reel Tape & reel Tape & reel Rev.

3 Package DFN6 (3x3 mm) DFN6 (3x3 mm) DFN6D (3x3 mm) DFN6D (3x3 mm) 1/14 www.st.com 14 Contents ST1S03A Contents 1 2 3 4 www.DataSheet4U.com Diagram .

Overview

ST1S03A 1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6.

Key Features

Step-down current mode PWM (1.5MHz) DCDC converter 2% DC output voltage tolerance soft start for start-up current limitation and power on delay of 50-100µs Typical efficiency: > 85% Inhibit function 1.5A Output current capability Not switching quiescent current: max 1.5mA over temperature range Switch VDS: max 200mV @ ISW=750mA Uses tiny capacitors and inductors Available in DFN6 3x3 exposed pad dissipation may cause an high heating of the.

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