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ST1S03

STMicroelectronics
Part Number ST1S03
Manufacturer STMicroelectronics
Description step-down switching regulator
Published Jan 12, 2009
Detailed Description ST1S03 1.5 A, 1.5 MHz adjustable, step-down switching regulator DFN6D (3 x 3 mm) Features  Step-down current mode PWM...
Datasheet PDF File ST1S03 PDF File

ST1S03
ST1S03

Overview
ST1S03 1.
5 A, 1.
5 MHz adjustable, step-down switching regulator DFN6D (3 x 3 mm) Features  Step-down current mode PWM (1.
5 MHz) DC-DC converter  2% DC output voltage tolerance  Internal soft-start for STARTUP current limitation and power on delay of 50 - 100 µs  Typical efficiency: > 70% over all operating conditions  1.
5 A output current capability  Not switching quiescent current: max 2.
5 mA over temperature range  Switch VDS: max.
350 mV at ISW = 750 mA  Uses tiny capacitors and inductors  Available in DFN6D 3 x 3 mm package with exposed pad Datasheet - production data Description The ST1S03 is a step-down DC-DC converter optimized for powering a low voltage digital core in H...


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