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HT7L4811

Part Number	HT7L4811
Manufacturer	Holtek Semiconductor
Description	Non-isolation Buck LED Lighting Driver
Published	May 11, 2018
Detailed Description	HT7L4811 Non-isolation Buck LED Lighting Driver with Active PFC Features • Tiny package SOT23-6 • Non-isolation buck ...
Datasheet	HT7L4811 PDF File

Overview

HT7L4811 Non-isolation Buck LED Lighting Driver with Active PFC Features • Tiny package SOT23-6 • Non-isolation buck topology • Low BOM Cost • Wide AC input range – from 85VAC to 265VAC • High Power Factor of >0.
9 without additional circuitry • Accurate constant current (< ±3%) • Low start-up current which reduces power dissipation • Full protection functions for enhanced safety ♦♦ Gate driver output voltage clamp ♦♦ VCC over voltage protection (VCC OVP) ♦♦ VCC under-voltage lockout with hysteresis (VCC UVLO) ♦♦ Output LED string over current protection ♦♦ Output LED string short protection ♦♦ Output LED string open protection ♦♦ On-chip over temperature protection (OTP) Appli...

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