GENERAL DESCRIPTION

OB5655 is a 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.

OB5655 offers programmable thermal foldback function feature to make the system flicker-free when the ambient temperature is high.

OB5655 is offered in ESOP8 package.

FEATURES

n Excellent TRIAC dimming performance

n 120Vac input only

n HV startup

n Intelligent bleeder control for high efficiency

n High precision constant current regulation

n High power factor

n No inductance , EMI issue

n Low system cost

n Programmable thermal foldback function

APPLICATIONS

n LED lighting

n 120Vac LED lamp

TYPICALICAL APPLICATION