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HT7L4813

Holtek Semiconductor

Non-isolation Buck LED Lighting Driver

HT7L4813 Non-isolation Buck LED Lighting Driver with Active PFC Features • Non-isolation buck topology • Integrated 5...


Holtek Semiconductor

HT7L4813

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Description
HT7L4813 Non-isolation Buck LED Lighting Driver with Active PFC Features Non-isolation buck topology Integrated 500V MOSFET 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 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 Package: 8-pin SOP Applications General illumination E26/27, T5/T8 LED Lamps Other LED Lighting Applications General Description The HT7L4813 is a non-isolation buck PWM controller for LED lighting applications. The device has a fully integrated PFC circuit...




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