iW3623 AC/DC Digital Power Controller for High Power Factor Off-Line LED Drivers 1.
0 Features ●● Isolated AC/DC off-line LED driver ●● Power factor 0.
95 for wide input voltage range 100 – 277VAC ●● Total harmonic distortion (THD) 10% ●● Under 5% 100Hz/120Hz output current ripple ●● Resonant control to achieve high efficiency ●● LED current foldback with external NTC ●● Small size design xx Small size input bulk capacitor xx Small size output capacitor xx Small transformer ●● Primary-side sensing eliminates the need for opto-isolator feedback and simplifies design ●● Tight LED current regulation ± 5% ●● Under 0.
5 second start-up time ●● Hot-plug LED module support ●● Multiple protection f...

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