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HV9912

Part Number	HV9912
Manufacturer	Supertex
Description	Switch-mode LED Driver IC
Published	Jan 12, 2009
Detailed Description	HV9912 Preliminary Switch-mode LED Driver IC With High Current Accuracy and Hiccup Mode Protection Features ► Switch mo...
Datasheet	HV9912 PDF File

Overview

HV9912 Preliminary 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 and SEPIC ► Works with high side current sensors www.
DataSheet4U.
com ► Closed loop control of output current ► High 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 operation ► Programmable slope compensation ► Linear & PWM dimming ► +0.
2A/-0.
4A gate drive ► Hiccup Mode Protection for both short circuit and open circuit conditions ► Synchronization capability ► Pin compatible with HV9911 Ge...

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