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HV9910B Led Driver
[SOIC]
€2.29

Universal High Brightness LED Driver
The HV9910B is an open loop, current mode, control LED driver IC. The HV9910B can be programmed to operate in either a constant frequency or constant off-time mode. It includes an 8.0 - 450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply. The HV9910B includes a PWM dimming input that can accept an external control signal with a duty ratio of 0 - 100% and a frequency of up to a few kilohertz. It also includes a 0 - 250mV linear dimming input which can be used for linear dimming of the LED current.

Features:

  • Switch mode controller for single switch LED drivers
  • 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
  • DATASHEET.
    Dit artikel is op zondag, 03 januari 2010 toegevoegd.
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