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TS19453 - AC/DC Programmable Current WLED Driver w/PWM Dimming Control

Description

The TS19453 is a PWM high efficiency programmable current LED driver with PWM dimming 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 12µS.

Features

  • Adjust constant output current up to 50mA(typ) Universal 85~264VAC operation Over temperature protection with hysteresis PWM dimming Fixed off-time buck converter Internal 475V power MOSFET Typical.

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Datasheet preview – TS19453

Datasheet Details

Part number TS19453
Manufacturer Taiwan Semiconductor
File Size 90.83 KB
Description AC/DC Programmable Current WLED Driver w/PWM Dimming Control
Datasheet download datasheet TS19453 Datasheet
Additional preview pages of the TS19453 datasheet.

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Full PDF Text Transcription

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Preliminary TS19453 AC/DC Programmable Current WLED Driver w/PWM Dimming Control SOP-8 Pin Definition: 1. Rsense 8. Drain 2. Ground 7. Drain 3. PWMD 6. Drain 4. Vdd 5. Ground General Description The TS19453 is a PWM high efficiency programmable current LED driver with PWM dimming 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 12µS. The LED string is driven at constant current, thus providing constant light output and enhanced reliability. The output current is internally programmable up to 50mA.
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