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MAX16804 - 350mA LED Driver

General Description

The MAX16804 current regulator operates from a 5.5V to 40V input voltage range and delivers 35mA to 350mA to one or more strings of high-brightness LEDs (HB LEDs).

The output current of the MAX16804 is set by using an external current-sense resistor in series with the LEDs.

Key Features

  • include a 5V regulated output and short-circuit and thermal protection. The MAX16804 is available in a thermally enhanced, 5mm x 5mm, 20-pin TQFN package and is specified over the automotive -40°C to +125°C temperature range. Features.
  • Flexible Dimming Control, Analog or PWM Control Signal for PWM and Theater Dimming.
  • 200Hz On-Board Ramp Generator.
  • Sinks to External PWM Signal (Up to 2kHz).
  • 5.5V to 40V Operating Range.
  • 35mA to 350mA Adjustable LED Cu.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0589; Rev 0; 7/06 www.DataSheet4U.com High-Voltage, 350mA LED Driver with Analog and PWM Dimming Control General Description The MAX16804 current regulator operates from a 5.5V to 40V input voltage range and delivers 35mA to 350mA to one or more strings of high-brightness LEDs (HB LEDs). The output current of the MAX16804 is set by using an external current-sense resistor in series with the LEDs. A dual-mode DIM pin and on-board 200Hz ramp generator allow PWM dimming with an analog or PWM input signal. The analog control signal at dimming input DIM allows for a theater-dimming effect to be implemented. Fast turn-on and turn-off times ensure a wide-range PWM operation, while wave-shaping circuitry minimizes EMI.