NCP1200AD100R2 NCP1200A NCP1200A1 200A1 PWM Current-Mode Controller for Universal Off-Line Supplies FeaturingLow Standby Power

Housed in SOIC−8 or PDIP−8 package, the NCP1200A enhancesthe previous NCP1200 series by offering a reduced optocouplercurrent together with an increased drive capability. Due to its novelconcept, the circuit allows the implementation of complete off−lineAC−DC adapters, battery charger or a SMPS where standby power is akey parameter. With an internal structure operating at a fixed 40 kHz, 60 kHz or100kHz, the controller supplies itself from the high−voltage rail,avoiding the need of an auxiliary winding. This feature naturally easesthe designer task in battery charger applications. Finally,current−mode control provides an excellent audio−susceptibility andinherent pulse−by−pulse control. When the current setpoint falls below a given value, e.g. the outputpower demand diminishes, the IC automatically enters the so−calledskip cycle mode and provides excellent efficiency at light loads.Because this occurs at a user adjustable low peak current, no acousticnoise takes place. The NCP1200A features an efficient protective circuitry which, inpresence of an overcurrent condition, disables the output pulses whilethe device enters a safe burst mode, trying to restart. Once the defaulthas gone, the device auto−recovers.

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Packaging: Safety package(Carton) 
Shipping: 
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Warranty:
1.Our side always double check all the products before delivery to make sure correct.
2.All components we sell has 30 days return policy from the day of shipment, but if the damage is man-made, we will be unable to change for you.