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TPS61043 - Constant Current LED Driver

Description

The TPS61043 is a high-frequency boost converter with constant current output that drives white LEDs or similar.

Features

  • 1 Current Source With 18-V Overvoltage Protection.
  • Powers up to 4 LEDs in Series.
  • Input Voltage Range: 1.8 V to 6 V.
  • Internal 30-V Switch.
  • Up to 85% Efficiency.
  • Precise Brightness Control Using PWM Signal or Analog Signal.
  • Switching Frequency up to 1 MHz.
  • Internal Power MOSFET Switch 400 mA.
  • Operates With Small Output Capacitors Down to 100 nF.
  • Disconnects LEDs During Shutdown.
  • No Load Quiescent Cu.

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TPS61042 Constant Current LED Driver

Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61043 SLVS465C – DECEMBER 2003 – REVISED FEBRUARY 2016 TPS61043 Constant Current LED Driver 1 Features •1 Current Source With 18-V Overvoltage Protection • Powers up to 4 LEDs in Series • Input Voltage Range: 1.8 V to 6 V • Internal 30-V Switch • Up to 85% Efficiency • Precise Brightness Control Using PWM Signal or Analog Signal • Switching Frequency up to 1 MHz • Internal Power MOSFET Switch 400 mA • Operates With Small Output Capacitors Down to 100 nF • Disconnects LEDs During Shutdown • No Load Quiescent Current 38 µA Typical • Shutdown Current 0.
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