Enhanced Mixed Frequency Mode GreenLine PWM Controller:

The MC44603A is an enhanced high performance controller that is specifically designed for offline and dctodc converter applications. This device has the unique ability of automatically changing operating modes if the converter output is overloaded, unloaded, or shorted, offering the designer additional protection for increased system reliability. The MC44603A has several distinguishing features when compared to conventional SMPS Controllers These features consist of a foldback facility for overload protection, a standby mode when the converter output is slightly loaded, a demagnetization detection for reduced switching stresses on Transistor and Diodes and a high current totem pole output ideally suited for driving a Power MOSFET It CAN also be used for driving a Bipolar Transistor in low power converters (< 150 W). It is optimized to operate in discontinuous mode but CAN also operate in continuous mode. Its advanced design allows use in current mode or voltage mode control applications. By ON Semiconductor
MC44603A 's PackagesMC44603A 's pdf datasheet

MC44603A Pinout, Pinouts
MC44603A pinout,Pin out
This is one package pinout of MC44603A,If you need more pinouts please download MC44603A's pdf datasheet.

MC44603A Application circuits
MC44603A circuits
This is one application circuit of MC44603A,If you need more circuits,please download MC44603A's pdf datasheet.

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