HT7L4811
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
The HT7L4811 is a non-isolation buck PWM controller for LED lighting applications. The device has a fully integrated PFC circuit...
