STEVAL-ISA131V3

1.82 V – 500 mA, 6 MHz synchronous step-down converter

based on the ST1S15

Data brief

Features

•

85% typical efficiency

•

500 mA output current capability

•

45 µA typical quiescent current

•

PFM or PWM operation for best efficiency

over the entire load range

•

Ultra-fast load and line transients

•

Short-circuit and thermal protection

•

Tiny external components

•

Auto or forced PWM selection using a

dedicated pin

•

ST1S15TPUR in DFN6 (2 x 2 mm)

•

RoHS compliant

Description

The STEVAL-ISA131V3 is a product evaluation

board designed around the ST1S15, a high-

efficiency miniaturized step-down converter able

to provide 500 mA output current from an input

voltage of 2.3 V to 5.5 V.

The converter operates at a switching frequency

of 6 MHz and is specifically designed for

applications where high efficiency and small

application areas are key factors.

January 2014

DocID025220 Rev 1

1/4

For further information contact your local STMicroelectronics sales

office

www.st.com