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WS9931 Datasheet(PDF) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd |
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WS9931 Datasheet(HTML) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd |
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1 / 6 page  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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