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WS9931EP Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part # WS9931EP
Description  LED Ripple Current Elimination Controller
PDF  6 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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WS9931EP Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

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Copyright@Winsemi Microelectronics Co., Ltd., All right reserved.
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
0319
WS9931 Product Description
Features
Eliminate ripple current for single stage LED driver
Without external COMP capacitor
Built-in soft-start
Max Output current is up to 300mA
Internal intelligent over temperature protection
Operating temperature range from -40℃to135℃
LED Ripple Current Elimination Controller
Description
The WS9931 is an adaptive linear current regulator to
eliminate LED low frequency ripple current. It adopts an
adaptive control solution without additional circuit design.
It can realize the function of LED light non-filtering with
very few external components, so the system cost and
size are minimized. The WS9931 is mainly applied in bulb
lights and tube lights, especially suitable for COB (chip on
board) mode.
The operating temperature range of the WS9931 is
from -40℃to135℃.
The WS9931 is available in ESOP8 Package.
Applications
LED Tube Lights
LED Bulb Lights
Typical Application Circuit


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