AC-DC Secondary-Side Synchronous Rectifier Controller IC.
Supporting PWM/QR control, it dynamically varies the OFF-timing according to the power supply status to maximize the synchronous rectification effect. Immediate turn-off is triggered during abnormal conditions like sudden load changes to prevent reverse current.
Features
External adjustment of characteristics
Safe protection (MM3667A)
Auto characteristics adjustment (MM3667B)
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For QR/LLC converter(MM3667A only)
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Recommended
operating voltage
Min.
[V]VIN
Max.
[V]Rating
[V]Switching
frequency
Max.
[KHz]6.0 15 17 500
Click the arrow icon in the table below to switch from ascending to descending order.
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Product
nameMaximum frequency
[KHz]VCC Voltage
Turn On
[V]VCC Voltage
Turn Off
[V]MM3667A 500 5.80 4.8 MM3667B 170 5.80 4.8 -
Associated Data
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