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USR1021_15 Datasheet, PDF (1/4 Pages) Unisonic Technologies – 3A SYNCHRONOUS BUCK REGULATOR
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. The UTC USR1021 works from a 6V to 18V input
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.
 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 operation
* Thermal shutdown
* Short-circuit protection
 ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
USR1021L-S08-R
USR1021G-S08-R
USR1021L-S08-T
USR1021G-S08-T
Note: xx: Output Voltage, refer to Marking Information.
Package
SOP-8
SOP-8
SOP-8
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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