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US203
MARKING (For SOT-25)
Preliminary
PIN CONFIGURATION
CMOS IC
SOT-25
PIN DESCRIPTION
PIN NO.
SOP-8
SOT-25
6,7,8
1
1
2
3
4
4
2,3
5
5
PIN NAME
VOUT
GND
NC
EN
VIN
FLG
SOP-8
Output Voltage
Ground
DESCRIPTION
Enable. Never let this pin floating.
Power Input Voltage
Open-Drain Fault Flag Output
BLOCK DIAGRAM
UVLO
EN
Bias
Thermal
Protection
Oscillator
Charge
Pump
Gate
Control
Current
Limiting
Output
Voltage
Detection
Delay
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
VIN
VOUT
FLG
GND
2 of 7
QW-R502-435.e