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CM6901 - SLS (SRC/LLC+SR) Controller

Features

  • CM6901 is a SLS, SRC/LLC + SR resonant controller and it can operate at both SRC and LLC region with synchronous rectification to achieve high efficiency. Its unique features: FM + 2 PWMING modes. It is used for DC-DC conversion in offline.

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Datasheet preview – CM6901

Datasheet Details

Part number CM6901
Manufacturer Champion Microelectronic
File Size 647.83 KB
Description SLS (SRC/LLC+SR) Controller
Datasheet download datasheet CM6901 Datasheet
Additional preview pages of the CM6901 datasheet.

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Full PDF Text Transcription

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CM6901 SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs GENERAL DESCRIPTION FEATURES CM6901 is a SLS, SRC/LLC + SR resonant controller and it can operate at both SRC and LLC region with synchronous rectification to achieve high efficiency. Its unique features: FM + 2 PWMING modes. It is used for DC-DC conversion in offline application. Light load regulation is accomplished by transitioning the controller from frequency modulation mode into PWM mode. We call this is Light load PWMING function. When ac turn off, bulk input voltage will drop. The switching frequency is below the highest resonant point frequency fr1=1/ 2 LrCr ;Lr: resonant choke; Cr: resonant cap . SR Ideal Diode PWMING for synchronous drivers is accomplished by comparing the voltage signal at the RSET pin to RTCT ramp.
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