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ST1S03A - step-down switching regulator

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

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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Datasheet Details

Part number ST1S03A
Manufacturer STMicroelectronics
File Size 306.42 KB
Description step-down switching regulator
Datasheet download datasheet ST1S03A Datasheet
Additional preview pages of the ST1S03A datasheet.

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Full PDF Text Transcription

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ST1S03A 1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3 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 application environment. It provides up to 1.5A over an input voltage range of 3V to 5.5V. An high switching frequency (1.
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