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WINSEMI - Active PFC Non-isolated Buck LED Driver

Numéro de référence WS3410
Description Active PFC Non-isolated Buck LED Driver
Fabricant WINSEMI 
Logo WINSEMI 





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WS3410 fiche technique
WS3410 Product Description
WS3410 Active PFC Non-isolated Buck LED Driver
Features
High Power Factor Correction, Low Total
Harmonic Distortion
Dynamic Temperature Compensation
No Auxiliary Winding For Supplying
Valley Switching, High efficiency, Low EMI
Automatic Compensate the Inductance Variation
Automatic Adapt to the Change of Output Voltage
LED Short Circuit Protection
Over Voltage Protection
Over Temperature Protection
Open Circuit Protection
Few External Components
Applications
LED Driver Supply
General Description
The WS3410 is designed for active PFC non-isolated buck
LED driver. It operates at valley switching mode with high
efficiency, low EMI and High PF. The output current
automatically adapt to the variation of the inductance and the
output voltage. The truly constant current LED is realized.
The WS3410 using SOT23-6 package,It can achieve
excellent constant current performance with very few external
components.
The WS3410 offers rich protection functions, including over
voltage protection, LED short circuit protection, cycle by
cycle current limiting, dynamic temperature compensation,
over temperature protection and soft start.
WS3410 consumes very low start current and operation
current, driving LED efficiently under universal AC
input(85VAC~265VAC).
WS3410 is available in SOT23-6 package.
Typical Application Circuit
6 FB
GATE 4
1 VCC
CS 5
3 COMP GN D 2
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
Copyright@Winsemi Microelectronics Co., Ltd., All right reserved.
WIN SEM I M ICROELECTRON ICS
W/T-Y0037-Rev.A/ 0 May.2014
WIN SEM I M ICROELECTRON ICS
0514

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