Typical Application


No Auxiliary winding for sensing and supplying

True Buck-Boost Technology for high output voltage under universal input voltage

Constant current control without secondary sense and feedback circuit

Build-in 550V Power MOSFET

±3% LED current accuracy

Ultra low operating current to improve efficiency

Application up to 18W output

Build-in line compensation

Cycle-by-Cycle current limiting

Precision OVP voltage for best LED open circuit protection

LED short circuit protection

Over temperature compensation

CS resistor short circuit protection

VCC under-voltage lockout

Available in SOP8 and DIP8 packages


DC/DC or AC/DC LED Driver Applications

Back lighting for flat panel displays