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MC33365 High Voltage Switching
Regulator
The MC33365 is a monolithic high voltage switching
regulator that is specifically designed to operate from a rectified 240 Vac line source.
This integrated circuit features an on–chip 700 V/1.
0 A SenseFET power switch, 450 V active off–line startup FET, duty cycle controlled oscillator, current limiting comparator with a programmable threshold and leading edge blanking, latching pulse width modulator for double pulse suppression, high gain error amplifier, and a trimmed internal bandgap reference.
Protective features include cycle–by–cycle current limiting, input undervoltage lockout with hysteresis, bulk capacitor vo...