UNISONIC TECHNOLOGIES CO.
, LTD USR1021
Preliminary LINEAR INTEGRATED CIRCUIT
3A SYNCHRONOUS BUCK
REGULATOR
DESCRIPTION
The UTC USR1021 is a high efficiency, 3A synchronous buck
regulator.
T he UT C USR1021 works fro m a 6V to 1 8V in put voltage range, and provides up to 3A of continuous output current with an output voltage adjustable down to 0.
8V.
The UTC USR1021 comes in an SOP-8 packages and is rated over a -40°C~+85°C ambient temperature range.
SOP-8
FEATURES
* 6V~18V operating input voltage range * High efficiency * Internal soft start * 1.
5% initial output accuracy * Output voltage adjustable to 0.
8V * 3A continuous output current * Cycle-by-cycle current limit * 500kHz PWM o...