GENERAL DESCRIPTION

OB5656 is a high power factor (PF>0.9) linear driver with high voltage start-up and advanced features to provide high precision current output for TRIAC dimmable LED lighting applications. It offers intelligent bleeder control for high efficiency and high PF.

OB5656 offers programmable thermal foldback function feature to make the system flicker-free when the ambient temperature is high.

OB5656 is offered in ESOP8 package.

FEATURES

Excellent TRIAC dimming performance

120Vac input only

High Power Factor (PF >0.9)

HV startup

Intelligent bleeder control for high efficiency and high PF

High precision constant current regulation

No inductance , EMI issue

Low system cost

Programmable thermal foldback function

APPLICATIONS

LED lighting

120Vac LED lamp

TYPICALICAL APPLICATION