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HV9911 - Switch-Mode LED Driver IC

Description

The HV9911 is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buckboost, or SEPIC), in a constant frequency or constant off-time mode.

Features

  • Switch mode controller for single switch drivers.
  • Buck.
  • Boost.
  • Buck-boost.
  • SEPIC.
  • Works with high side current sensing.
  • Closed loop control of output current.
  • High PWM dimming ratio.
  • Internal 250V linear regulator (can be extended using external Zener diodes).
  • Internal 2% voltage reference (0°C < TA < 85°C).
  • Constant frequency or constant off-time operation.
  • Programmable slope compensation.
  • Enable & PWM dimming.

📥 Download Datasheet

Datasheet preview – HV9911

Datasheet Details

Part number HV9911
Manufacturer Supertex
File Size 593.46 KB
Description Switch-Mode LED Driver IC
Datasheet download datasheet HV9911 Datasheet
Additional preview pages of the HV9911 datasheet.

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Full PDF Text Transcription

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HV9911 Switch-Mode LED Driver IC with High Current Accuracy Features ► Switch mode controller for single switch drivers ♦ Buck ♦ Boost ♦ Buck-boost ♦ SEPIC ► Works with high side current sensing ► Closed loop control of output current ► High PWM dimming ratio ► Internal 250V linear regulator (can be extended using external Zener diodes) ► Internal 2% voltage reference (0°C < TA < 85°C) ► Constant frequency or constant off-time operation ► Programmable slope compensation ► Enable & PWM dimming ► +0.2A/-0.
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