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TS19451 - AC/DC WLED Driver

Description

The TS19451 is a PWM high efficiency LED driver control IC.

It allows efficient operation of LED strings from voltage source ranging up to 400VDC.

It includes an internal high voltage switching MOSFET controlled with fixed off-time of approximately 10.5µS.

Features

  • Constant output current at 50mA.
  • Universal 85~264VAC operation.
  • Fixed off-time buck converter.
  • Internal 475V power MOSFET Typical.

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Datasheet preview – TS19451

Datasheet Details

Part number TS19451
Manufacturer Taiwan Semiconductor
File Size 148.02 KB
Description AC/DC WLED Driver
Datasheet download datasheet TS19451 Datasheet
Additional preview pages of the TS19451 datasheet.

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Full PDF Text Transcription

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SOT-89 Pin Definition: 1. Drain 2. GND 3. VDD TS19451 AC/DC WLED Driver with Internal MOSFET Universal Switch Mode General Description The TS19451 is a PWM high efficiency LED driver control IC. It allows efficient operation of LED strings from voltage source ranging up to 400VDC. It includes an internal high voltage switching MOSFET controlled with fixed off-time of approximately 10.5µS. The LED string is driven at constant current, thus providing constant light output and enhanced reliability. The output current is internally fixed at 50mA.
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