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HV9912

Part Number	HV9912
Manufacturer	Microchip
Description	Switch-Mode LED Driver IC
Published	Jan 3, 2017
Detailed Description	HV9912 Switch-Mode LED Driver IC with High Current Accuracy and Hiccup Mode Protection Features • Switch-mode Controll...
Datasheet	HV9912 PDF File

Overview

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.
4A Gate Driver • Hiccup Mode Protection for both Short-circuit and Open-circuit Conditions • Output Overvoltage Protection • Synchroniz...

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