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WS9931 Datasheet(PDF) 2 Page - Shenzhen Winsemi Microelectronics Co., Ltd

Part # WS9931
Description  LED Ripple Current Elimination Controller
PDF  6 Pages
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Manufacturer  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
Direct Link  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS9931 Datasheet(HTML) 2 Page - Shenzhen Winsemi Microelectronics Co., Ltd

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www.winsemi.com
Tel : +86-755-8250 6288
Fax : +86-755-8250 6299
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WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WS9931 Product Description
Pin Configuration and Marking Information
The WS9931 is available in ESOP-8 Package. The top marking is shown as below:
Pin Definition（Note: the heat sink at the bottom is connected to Pin 5.）
Name
Pin No.
Description
VCC
1
Power Supply
NC
2/3/4/6
NA
LEDN
5
The negative pin of LED series
GND
7/8
Ground Pin
Internal Block Diagram
WS9931EP：Product Code
A：Product Code
X：Internal Code
BCY：Internal Code for QC
YMX：D/C



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