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R8CB05BO - 10-PIN Green-Mode PFC/PWM Combo CONTROLLER

Description

The R8CB05BO is the Green-Mode PFC/PWM Combo controller for Desktop PC and High Density AC Adapter.

For the power supply, it’s input current shaping PFC performance could be very close to the performance of the CM6800 or ML4800 leading edge modulation average current topology.

Features

  • ‹ 10-Pin SOIC package. ‹ Use RAC around 4~8 Mega Ohm at IAC pin. ‹ Easy to configure into Boost Follower. ‹ Enable lowest BOM for power supply with PFC. ‹ Internally synchronized PFC and PWM in one IC. ‹ Patented slew rate enhanced voltage error amplifier with advanced input current shaping technique. ‹ Universal Line Input Voltage ‹ CCM boost or DCM boost with leading edge modulation PFC using Input Current Shaping Technique. ‹ Feed forward IAC pin to do the automatic slope compensation. ‹ PFCO.

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Datasheet Details

Part number R8CB05BO
Manufacturer Champion
File Size 241.72 KB
Description 10-PIN Green-Mode PFC/PWM Combo CONTROLLER
Datasheet download datasheet R8CB05BO Datasheet

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R8CB05BO 10-PIN Green-Mode PFC/PWM Combo CONTROLLER GENERAL DESCRIPTION The R8CB05BO is the Green-Mode PFC/PWM Combo controller for Desktop PC and High Density AC Adapter. For the power supply, it’s input current shaping PFC performance could be very close to the performance of the CM6800 or ML4800 leading edge modulation average current topology. R8CB05BO 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 R8CB05BO includes circuits for the implementation of a leading edge modulation, input current shaping technique “boost” type PFC and a trailing edge modulation current, PWM. The R8CB05BO’s PFC and PWM operate at the same frequency, 100kHz.