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High-Voltage Switcher for Low Power Offline SMPS
NCP1060, NCP1063
The NCP106X products integrate a fixed frequency current mode controller with a 700 V MOSFET. Available in a PDIP−7, SOIC−10 or SOIC−16 package, the NCP106X offer a high level of integration, including soft−start, frequency−jittering, short−circuit protection, skip−cycle, adjustable peak current set point, ramp compensation, and a Dynamic Self−Supply (eliminating the need for an auxiliary winding).
Unlike other monolithic solutions, the NCP106X is quiet by nature: during nominal load operation, the part switches at one of the available frequencies (60 kHz or 100 kHz). When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads.