WS3413 ProductDescription
Pin Configuration and Marking Information
The WS3413 is available in SOP8/DIP7 Package，the top marking is shown as below:
WS3413S8P：Product Code
A：产品编码
X：内部代码
BCY：内部品质管控代码
YMX：D/C
WS3413D7P：Product Code
A：产品编码
X：内部代码
BCY：内部品质管控代码
YMX：D/C
Pin Definition
Name
Pin No.
Description
Loop Compensation Node. This pin connects a capacitor to GND for stabilization of the
control loop, achieving accurate LED current, high Power Factor and low THD.
Ground.
COMP
1
GND
VCC
2
3
Power Supply Pin. Connect a bypass capacitor from this pin to GND.
Feedback Voltage Input Pin. This pin detects the inductor demagnetization signal and the
output voltage.
FB
4
D
5/6
7
Internal HV Power MOSFET Drain.
CS
CS
Current Sense Pin. Connect a resistor to GND to sense the inductor current.
Current Sense Pin. Connect a resistor to GND to sense the inductor current.
8/NA
Internal Block Diagram
WINSEMI
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
www.winsemiM.cICoRmOELTEeClTR:O+N8IC6S-755-8250 6288 Fax : +86-755-8250 6299
2/9
WINSEMI [ SHENZHEN WINSEMI MICROELECTRONICS CO., LTD ]
