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TL4242 - Constant-Current LED Driver

Description

The TL4242 device is an integrated, adjustable, constant-current source that can drive loads up to 500 mA.

The output current level can be adjusted through an external resistor.

The device is designed to supply high-power LEDs.

Features

  • 1 Adjustable Constant Current up to 500 mA (±5%).
  • PWM Brightness Regulation.
  • Wide Input Voltage Range up to 42 V.
  • Low Drop Voltage.
  • Open-Load Detection.
  • Overtemperature Protection.
  • Short-Circuit Proof.
  • Reverse-Polarity Proof.
  • Wide Temperature Range:.
  • 40°C to 150°C 2.

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Datasheet preview – TL4242

Datasheet Details

Part number TL4242
Manufacturer Texas Instruments
File Size 923.19 KB
Description Constant-Current LED Driver
Datasheet download datasheet TL4242 Datasheet
Additional preview pages of the TL4242 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TL4242 SLVS641B – APRIL 2008 – REVISED MARCH 2015 TL4242 500-mA, Adjustable, Constant-Current LED Driver 1 Features •1 Adjustable Constant Current up to 500 mA (±5%) • PWM Brightness Regulation • Wide Input Voltage Range up to 42 V • Low Drop Voltage • Open-Load Detection • Overtemperature Protection • Short-Circuit Proof • Reverse-Polarity Proof • Wide Temperature Range: –40°C to 150°C 2 Applications • Signage • Industrial Lighting • Printers 3 Description The TL4242 device is an integrated, adjustable, constant-current source that can drive loads up to 500 mA. The output current level can be adjusted through an external resistor. The device is designed to supply high-power LEDs.
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