Holtek Semiconductor HT7L4811
The HT7L4811 is a non-isolation buck PWM controller for LED lighting applications. The device has a fully integrated PFC circuit whic| Part No. | HT7L4811 |
|---|---|
| Datasheet | HT7L4811 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Non-isolation Buck LED Lighting Driver |
| Buy | Stock & Price |
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)
APPLICATIONS
● General illumination● E26/27, T5/T8 LED Lamp
● Other LED Lighting
APPLICATIONS
GENERAL DESCRIPTION
