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ST1S03A

STMicroelectronics
Part Number ST1S03A
Manufacturer STMicroelectronics
Description step-down switching regulator
Published Jan 12, 2009
Detailed Description ST1S03A 1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3 Features ■ ■ Step-dow...
Datasheet PDF File ST1S03A PDF File

ST1S03A
ST1S03A

Overview
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.
5MHz) allows the use o...


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