Part Number
|
HT7L5820 |
Manufacturer
|
Holtek Semiconductor |
Description
|
Integrated PFC and Quasi-Resonant Current Mode PWM Controller |
Published
|
May 12, 2018 |
Detailed Description
|
HT7L5820/HT7L5821 Integrated PFC and Quasi-Resonant
Current Mode PWM Controller
Features
• Integrated Transition Mode ...
|
Datasheet
|
HT7L5820
|
Overview
HT7L5820/HT7L5821 Integrated PFC and Quasi-Resonant
Current Mode PWM Controller
Features
• Integrated Transition Mode (TM) PFC controller and Quasi-Resonant (QR) flyback controller
• Wide AC input range from 85VAC to 265VAC • Integrated 650V JFET quick high voltage start-up • Integrated THD PFC stage optimiser • Brown-out and brown-in protection • Internal accurate feedback reference voltage: ±2% • Internal 9.
6ms PWM soft-start • High/Low line over-power compensation • FB pin protection (Auto Recovery)
♦♦ Over-power and overload protection ♦♦ Short-circuit protection ♦♦ Open-loop protection • External triggering and adjustabe over-temperature protection – RT Pin • VCC pin OVP – l...
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