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HV9982 - LED Drive IC

Description

HV9982 is a three-channel, closed loop, peak-current mode PWM controller designed to drive a constant output current.

It can be used for driving either RGB LEDs or multiple channels of white LEDs.

HV9982 includes a 40V linear regulator which provides an 8.0V supply to power the IC.

Features

  • Switch mode controller for single-switch converters.
  • Closed loop control of output current - Buck - Boost - SEPIC.
  • High PWM dimming ratio.
  • Internal 40V linear regulator.
  • Constant frequency operation.
  • Programmable slope compensation.
  • Linear and PWM dimming.
  • +0.2A/-0.4A gate drives for the switching FETs.
  • Output short circuit protection.
  • Output over voltage protection.
  • Hiccup-mode protection.

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Datasheet preview – HV9982

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Full PDF Text Transcription

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HV9982 Three-Channel, Closed-Loop, Switch Mode LED Drive IC Features • Switch mode controller for single-switch converters • Closed loop control of output current - Buck - Boost - SEPIC • High PWM dimming ratio • Internal 40V linear regulator • Constant frequency operation • Programmable slope compensation • Linear and PWM dimming • +0.2A/-0.4A gate drives for the switching FETs • Output short circuit protection • Output over voltage protection • Hiccup-mode protection • Analog control of PWM dimming Applications • RGB backlight applications • Multiple string, white-LED driver applications Description HV9982 is a three-channel, closed loop, peak-current mode PWM controller designed to drive a constant output current.
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