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  • AC 다이렉트 LED 드라이버 IC
  • WD35-S28T
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WD35-S28T

30W

WD35-S28T

The WD35-S28T is an AC Direct LED Driving IC with internal 2step and external 2step, respectively. It can drive several series LEDs from the rectified AC voltage. It will give much convenience to the design because it requires a small number of external components. The WD35-S28T has higher LED current driving capability and its current can be adjustable with external resistors. The WD35-S28T will help that engineers produce excellent products in LED lightings in terms of energy efficiency, design efficiency, cost efficiency, and so on.

Parameters

Type AC LED Driver
Function 2+2 AC LED Driver with TRIAC
Power 30W
Supply Voltage 90~305VAC
Features TRIAC, OTP
Package 20QFN 6x6

Features

■ LEDs direct driver from AC line

■ Wide input range : 90VAC~305VAC

■ Constant current driving with internal 2 channels and external 2 channels

■ Adjustable driving current for each step

■ Compatible with TRIAC dimming

■ Including bleeder current to supply holding current of TRIAC dimmer

■ Including the gate driver for external MOSFET supplying the latching current of TRIAC dimmer

■ Excellent TRIAC dimmer compatibility due to the holding and latching currents

■ Excellent power factor > 0.9

■ Lower total harmonic distortion < 15%

■ Over temperature protection

■ EMI safe operation

■ Thermally enhanced QFN 20pin

Application

  • LED 조명

    LED 조명

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