HVLED815PFTR集成電路（IC）的LED驅(qū)動器規(guī)格書PDF中文資料

HVLED815PFTR屬于集成電路（IC）的LED驅(qū)動器。由意法半導(dǎo)體集團制造生產(chǎn)的HVLED815PFTRLED 驅(qū)動器器件屬于 LED 驅(qū)動器電源管理集成電路 (PMIC) 系列，可通過標稱固定電壓的電源為負載（通常為發(fā)光二極管）提供電流，并且電流可控。它與用于電壓調(diào)節(jié)的類似產(chǎn)品的主要區(qū)別在于，這類器件提供較低的反饋電壓（以提高系統(tǒng)能效），而且通?？蓪ζ骷ぷ鼽c進行外部控制，可在照明應(yīng)用中用于實現(xiàn)調(diào)光功能。

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