GENERAL DESCRIPTION
CM6903B
Low Pin Count PFC, PWM CONTROLLER COMBO
FEATURES
The CM6903B is a space-saving PFC-PWM controller for Patent Number #5,565,761, #5,747,977, #5,742,151,
power factor corrected, switched mode power supplies that
#5,804,950, #5,798,635
offers very low start-up and operating currents. For the Pin to pin compatible with FAN6903, 4
power supply less than 500Watt, its input current shaping Enable lowest BOM for power supply with PFC
PFC performance could be very cl