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CM6503

Champion
Part Number CM6503
Manufacturer Champion
Description 8-PIN SINGLE PFC CONTROLLER
Published Sep 25, 2015
Detailed Description CM6503/4 8-PIN SINGLE PFC CONTROLLER WITH 50% PWM CLOCK SIGNAL GENERAL DESCRIPTION FEATURES The 8 pin single PFC cont...
Datasheet PDF File CM6503 PDF File

CM6503
CM6503

Overview
CM6503/4 8-PIN SINGLE PFC CONTROLLER WITH 50% PWM CLOCK SIGNAL GENERAL DESCRIPTION FEATURES The 8 pin single PFC controller with 50% PWM clock , CM6503/4 is a space-saving controller for power factor corrected, switched mode power supplies that offers very low start-up and operating currents.
For the power supply less than 500Watt, its performance could be very close to CM6800 or ML4800 architecture.
Its IAC has dual function.
8 pin CM6503/4 does not require and bleed resistors.
It use IAC pin during the start up condition to start up CM6503/4.
After CM6503/4 is on, IAC will switch itself back to the IAC function.
Power Factor Correction (PFC) offers the use of smaller, lower cost bulk capacitors, reduces power line loading and stress on the switching FETs, and results in a power supply fully compliant to IEC1000-3-2 specifications.
The CM6503/4 includes circuits for the implementation of a leading edge, average current “boost” type PFC and a trailing edge, PWM Clock signal which wi...


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