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NCP1231 Datasheet Low Standby Power High Performance Pwm Controller

Manufacturer: onsemi

Overview: .. 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.

Key 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% of nominal peak) so that no acoustic noise is generated and while in the skip cycle mode. The NCP1231 also features an internal latching function that can be used for Overvoltage Protection (OVP). The latch is triggered when the voltage on.

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