Part Number
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CM6901 |
Manufacturer
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Champion Microelectronic |
Description
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SLS (SRC/LLC+SR) Controller |
Published
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Jul 23, 2014 |
Detailed Description
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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 resona...
|
Datasheet
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CM6901
|
Overview
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 sync...
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