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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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WS3412AH Datenblatt(PDF) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd |
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WS3412AH Datenblatt(HTML) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd |
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1 / 8 page  WS3412AH ProductDescription WINSEMI MICROELECTRONICS WINSEMI MICROELECTRONICS WINSEMI MICROELECTRONICS WINSEMI MICROELECTRONICS WINSEMI MICROELECTRONICS Copyright@WinsemiMicroelectronics Co.,Ltd.,All rightreserved 1030 Features Specially Optimized for the EMI Internal 600V Power MOSFET Active PFC for High Power Factor and Low THD Critical Conduction Mode Operation System Efficiency up to 95% Without auxiliary winding Excellent Line and Load Regulation ±3% LED Output Current Accuracy Thermal Regulation Function LED Short/Open Protection Current Sensing Resistor Open Protection Auto Fault Recovery Available in SOP7 Package Applications E27 LED Bulb, Spot Light PAR30, PAR38 Lamp T8/T10 LED String Other LED Lighting Description The WS3412AH is a high precision non-isolated buck driver with active PFC, specially designed for universal input offline constant current LED lighting. The driver with on-chip PFC circuit achieves high power factor and low THD. Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor is fully utilized. The WS3412AH integrates a 600V power MOSFET. With few external components, the LED output current can be precisely controlled. The WS3412AH offers rich protection functions to improve the system reliability, including LED open circuit protection, LED short circuit protection, CS resistor open circuit protection and cycle by cycle current limit. All the protection functions are auto-recovery. The system reliability is further improved by the thermal regulation function. The output current is reduced when the driver is over temperature. The WS3412AH has ultra low start up current and ultra low operating current. The WS3412AH is available in SOP7 Package. Typical Application Non-isolated Buck APFC Offline LED Driver |
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Ähnliche Beschreibung - WS3412AH |
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