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CM6904 - Low Pin Count PFC/PWM Controller Combo

This page provides the datasheet information for the CM6904, a member of the CM6903 Low Pin Count PFC/PWM Controller Combo family.

Datasheet Summary

Description

CM6903/4 Low Pin Count PFC/PWM CONTROLLER COMBO

Features

  • The CM6903/4 is a space-saving PFC-PWM 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 input current shaping PFC performance could be very close to CM6800 or ML4800 architecture. 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.

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Datasheet preview – CM6904

Datasheet Details

Part number CM6904
Manufacturer Champion Microelectronic
File Size Direct Link
Description Low Pin Count PFC/PWM Controller Combo
Datasheet download datasheet CM6904 Datasheet
Additional preview pages of the CM6904 datasheet.

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Other Datasheets by Champion Microelectronic
  • CM6900 - Resonant Controller
  • CM6900G - Resonant Controller
  • CM6901 - SLS (SRC/LLC+SR) Controller
  • CM6901G - Resonant Controller
  • CM6901T6 - SLS (SRC/LLC+SR) Controller
  • CM6903 - Low Pin Count PFC/PWM Controller Combo
  • CM6903A - Low Pin Count PFC/PWM CONTROLLER COMBO
  • CM6903B - Low Pin Count PFC/PWM CONTROLLER COMBO

Full PDF Text Transcription

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GENERAL DESCRIPTION CM6903/4 Low Pin Count PFC/PWM CONTROLLER COMBO FEATURES The CM6903/4 is a space-saving PFC-PWM 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 input current shaping PFC performance could be very close to CM6800 or ML4800 architecture. 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 CM6903/4 includes circuits for the implementation of a leading edge, input current shaping technique “boost” type PFC and a trailing edge, PWM.
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