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US202/A
MARKING
US202
PIN CONFIGURATION
CMOS IC
Current Code
Blank: 1.5A
A: 2.5A
US202A
5
4
US2
12 3
Logic Level Enable Pin
PIN DESCRIPTION
PIN NO.
1, 5
2
3
4
PIN NAME
VOUT
GND
VIN
EN
DESCRIPTION
Output Voltage
Ground
Power Input
Chip Enable (Active High)
BLOCK DIAGRAM
Bias
Oscillator
Current
Limiting
Charge
Pump
Control
Thermal
Detection
EN
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
VIN
Current sense
NMOSFET
VOUT
VOUT
GND
2 of 5
QW-R502-445.F