WS3442 ProductDescription
Typical Application(DIP-7 Package)
Attention:A 22pF capacitor can be parallel with Rovp and a resistor can be parallel with the Vcc capacitor.
Pin Configuration and Marking Information
The WS3442 is available in SOP-8 Package and DIP-7 Package,the top marking is shown as below:
WS3442S8P
A:Product Code
X:Internal Code
BCY:Internal Code For QC
YMX:D/C
WS3442D7P
A:Product Code
X:Internal Code
BCY:Internal Code For QC
YMX:D/C
Pin Definition
Name
GND
ROVP
NC
Pin No.
Description
Ground
1
2
Over Voltage Protection Setting Pin. Connect a resistor to GND
No Connection. Should be connected to GND(Pin1)
Power Supply Pin
3
VCC
DRAIN
CS
4
5/6
7/8
Internal HV Power MOSFET Drain.
Current Sense Pin. Connect a sense resistor between this pin and GND pin.
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