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HV9985 - LED Driver

General Description

The HV9985 is a 3-channel Peak Current mode PWM controller for driving single-switch converters in a constant output Current mode.

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

Key Features

  • Switch Mode Controller for Single-Switch Converters.
  • Gate Drivers Optimized for Driving Logic Level FETs - 0.25A Sourcing - 0.5A Sinking.
  • Typical ±2% Absolute and String-to-String Current Accuracy (with ±1% Sense Resistors).
  • High Pulse-Width Modulation (PWM) Dimming Ratio up to 5000:1.
  • 10V to 40V Input Range.
  • Constant Frequency Operation up to 1 MHz.
  • On-Chip Clock or External Clock Option.
  • Programmable Slope Compensation.

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Full PDF Text Transcription for HV9985 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for HV9985. For precise diagrams, and layout, please refer to the original PDF.

HV9985 3-Channel Closed-Loop Switch-Mode LED Driver IC Features • Switch Mode Controller for Single-Switch Converters • Gate Drivers Optimized for Driving Logic Level FET...

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Switch Converters • Gate Drivers Optimized for Driving Logic Level FETs - 0.25A Sourcing - 0.