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NCP1218

Part Number	NCP1218
Manufacturer	ON Semiconductor
Description	PWM Controller
Published	Aug 25, 2010
Detailed Description	NCP1218 PWM Controller with Adjustable Skip Level and External Latch Input The NCP1218 represents a new, pin to pin co...
Datasheet	NCP1218 PDF File

Overview

NCP1218 PWM Controller with Adjustable Skip Level and External Latch Input The NCP1218 represents a new, pin to pin compatible, generation of the successful 7−pin current mode NCP12XX product series.
The controller allows for excellent standby power consumption by use of its adjustable skip mode and integrated high voltage startup FET.
Internal frequency jittering, ramp compensation, timer−based fault detection and a latch input make this controller an excellent candidate for converters where ruggedness and component cost are the key constraints.
The Dynamic Self Supply (DSS) drastically simplifies the transformer design in avoiding the use of an auxiliary winding to supply the NCP1218.
Th...

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