WS3412AH datasheet(1/8 Pages) WINSEMI

부품명	WS3412AH

상세설명	Non-isolated Buck APFC Offline LED Driver

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제조업체	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

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WS3412AH ProductDescription

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

유사한 부품 번호 - WS3412AH

제조업체	부품명	데이터시트	상세설명
List of Unclassifed Man...	WS3412AH	579Kb / 8P	Non-isolated Buck APFC Offline LED Driver

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유사한 설명 - WS3412AH

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WS3412AH 데이터시트(PDF) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd

WS3412AH 데이터시트(HTML) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd

유사한 부품 번호 - WS3412AH

유사한 설명 - WS3412AH

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