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MC44608 Few External Components Reliable and Flexible SMPS Controller The MC44608 is a high performance voltage mode controller designed for off--line converters. This high voltage circuit that integrates the startup current source and the oscillator capacitor, requires few external components while offering a high flexibility and reliability. The device also features a very high efficiency standby management consisting of an effective Pulsed Mode operation. This technique enables the reduction of the standby power consumption to approximately 1.0 W while delivering 300 mW in a 150 W SMPS. Gen.