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HV9912 - Switch-Mode LED Driver IC

Description

HV9912 is an LED driver IC designed to control single-switch PWM converters (buck, boost,

Features

  • Switch-mode Controller for Single-switch Drivers: - Buck - Boost - Buck-boost - SEPIC.
  • Works with High-side Current Sensors.
  • Closed-loop Control of Output Current.
  • High Pulse-Width Modulation (PWM) Dimming Ratio.
  • Internal 90V 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.

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Datasheet preview – HV9912

Datasheet Details

Part number HV9912
Manufacturer Microchip
File Size 490.27 KB
Description Switch-Mode LED Driver IC
Datasheet download datasheet HV9912 Datasheet
Additional preview pages of the HV9912 datasheet.
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Full PDF Text Transcription

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HV9912 Switch-Mode LED Driver IC with High Current Accuracy and Hiccup Mode Protection Features • Switch-mode Controller for Single-switch Drivers: - Buck - Boost - Buck-boost - SEPIC • Works with High-side Current Sensors • Closed-loop Control of Output Current • High Pulse-Width Modulation (PWM) Dimming Ratio • Internal 90V 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 • Linear and PWM Dimming • +0.2A/–0.
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