Description

The HVLED815PF is a high-voltage primary

switcher intended for operating directly from the

rectified mains with minimum external parts and

enabling high power factor (> 0.90) to provide an

efficient, compact and cost effective solution for

LED driving. It combines a high-performance lowvoltage PWM controller chip and an 800 V,

avalanche-rugged Power MOSFET, in the same

package. There is no need for the optocoupler

thanks to the patented primary sensing regulation

(PSR) technique. The device assures protection

against LED string fault (open or short).

Features

■ High power factor capability (> 0.9)

■ 800 V, avalanche rugged internal 6 Ω Power

MOSFET

■ Internal high-voltage startup

■ Primary sensing regulation (PSR)

■ +/- 5 accuracy on constant LED output

current

■ Quasi-resonant (QR) operation

■ Optocoupler not needed

■ Open or short LED string management

■ Automatic self supply

Applications

■ AC-DC LED driver bulb replacement lamps up

to 15 W, with high power factor

■ AC-DC LED drivers up to 15 W