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HV9910B - Universal High-Brightness LED Driver

General Description

HV9910B is an open loop, current mode control, LED driver IC.

This IC can be programmed to operate in either a constant frequency or constant off-time mode.

Key Features

  • Switch mode controller for single switch LED drivers.
  • Enhanced drop-in replacement to the HV9910.
  • Open loop peak current controller.
  • Internal 8.0 to 450V linear regulator.
  • Constant frequency or constant off-time operation.
  • Linear and PWM dimming capability.
  • Requires few external components for operation.

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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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HV9910B Universal High-Brightness LED Driver Features • Switch mode controller for single switch LED drivers • Enhanced drop-in replacement to the HV9910 • Open loop peak current controller • Internal 8.0 to 450V linear regulator • Constant frequency or constant off-time operation • Linear and PWM dimming capability • Requires few external components for operation Applications • DC/DC or AC/DC LED driver applications • RGB backlighting LED driver • Back lighting of flat panel displays • General purpose constant current source • Signage and decorative LED lighting • Chargers Description HV9910B is an open loop, current mode control, LED driver IC. This IC can be programmed to operate in either a constant frequency or constant off-time mode. It includes an 8.