Single-Stage, High PF, Low THD Constant-Voltage/Constant- Current AC/DC Controller for LED Lighting up to 100W

1 Description The iW3671 is a single-stage high-performance AC/DC primary-side-regulation PWM controller with power factor correction (PFC). It is designed to support flyback and buck-boost topologies at output power levels up to 100W. The iW3671 supports different types of loading including co