com NCP1231 Low−Standby Power High Performance PWM Controller The NCP1231 represents a major leap towards achieving low standby power in medium−to−high power Switched−Mode Power Supplies such as notebook adapters, off−line battery chargers and consumer electronics equipment.
Housed in SOIC−8 or PDIP−8, the NCP1231 contains all needed control functionality to build a rugged and efficient power supply.
Among the unique features offered by the NCP1231 is an event management scheme that can disable the front−end PFC circuit during standby, thus reducing the no load power consumption.
The NCP1231 itself goes into cycle skipping at light loads while limiting peak current (to 25% o...

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