AC-DC Primary Side Controller ICs.
The products integrate the external regulator necessary for the circuit configuration.
Optimal control tailored to the characteristics of each load range is achieved by utilizing Fixed Frequency PWM control during heavy load conditions, and Bottom-Skip Quasi-Resonant control during medium and light load conditions.

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Parts List

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Parts

Associated Data

Toporogy/Function Type

Recommended
operating voltage
Min.
[V]

VIN
Max.
[V]

Rating
[V]

Switching
frequency
Min.
[KHz]

Switching
frequency
Max.
[KHz]

Package

Package2

MM3665 PDF product catalog PWM+QR control 10.0 90 740 22 100 SOP-10A
MM3663 PDF product catalog PWM control 10.0 24 500 66 100 SOP-8J
MM3661 PDF product catalog QR control 8.0 24 500 108 SOP-8J SOP-10A

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