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
|
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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