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TS19450 - AC/DC WLED Driver

Description

The TS19450 is an open loop, current mode control LED driver IC.

It can be programmed to operate in either a constant frequency or constant off-time mode.

Features

  • Switch mode controller for single switch LED drivers.
  • Open loop peak current controller.
  • Internal 8V~450V linear regulator.
  • Constant frequency or constant off-time operation.
  • Linear and PWM dimming capability.
  • Requires few external components for operation.

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Datasheet preview – TS19450

Datasheet Details

Part number TS19450
Manufacturer Taiwan Semiconductor
File Size 243.31 KB
Description AC/DC WLED Driver
Datasheet download datasheet TS19450 Datasheet
Additional preview pages of the TS19450 datasheet.

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Full PDF Text Transcription

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TS19450 Taiwan Semiconductor AC/DC WLED Driver with External MOSFET Universal High Brightness DESCRIPTION The TS19450 is an open loop, current mode control LED driver IC. It can be programmed to operate in either a constant frequency or constant off-time mode. It includes an 8V~450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply. The TS19450 includes a PWM dimming input that can accept an external control signal with a duty ratio of 0~100% and a frequency of up to a few kHz. It also includes a 0~250mV linear dimming input which can be used for linear dimming of the LED current. The TS19450 is ideally suited for buck LED drivers.
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