The NCP1060 integrate a fixed frequency current mode controller with a 700 V MOSFET. Available in a PDIP−7 and SOIC-10 package, the NCP1060 offer a high level of integration, including soft−start, frequency−jittering, short−circuit protection, skip−cycle,adjustablepeakcurrentsetpoint,rampcompensation,andaDynamic Self−Supply (eliminating the need for an auxiliary winding).
Unlike other monolithic solutions, the NCP1060 is quiet by nature: during nominal load operation, the part switches atone of the available frequencies (60or 100 kHz). When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads. When the power demand reduces further, it enters into a skip mode to reduce the standby consumption down to a no load condition.
Protection features include: a timer to detect an overload or a short−circuit event, Overvoltage Protection with auto−recovery and AC input line voltage detection (A version).
TheONproprietaryintegratedOverPowerProtection(OPP)letsyouharnessthe maximum delivered power without affectingyour standby performance simply via external resistors.
The NCP1060/NCP1063 family can be seamlessly used both in non-isolated and in isolated topologies.

• Built−in 700 V MOSFET with RDS(on) of 34 Ω
• Large Creepage Distance Between High−voltage Pins
• Adjustable Peak Current up to 250 mA
• Direct Feedback connection for non-isolated converter
• Internal and Adjustable Over Power Protection (OPP) Circuit
• Auto-Recovery Output Short Circuit Protection with Timer-Based Detection
• Frequency Jittering (including during frequency foldback mode)
• Current−Mode Fixed Frequency Operation – 60 or 100 kHz (130 kHz on demand)
• Frequency Foldback Operation
• With (A version) or without (B version) AC Input Voltage Line Detection