Supply original NCP1250BSN65T1G, PMIC - AC DC Converters, Offline Switchers, by ON Semiconductor

Current-Mode PWM Controller for Off-line Power Supplies
The NCP1250 is a highly integrated PWM controller capable of delivering a rugged and high performance offline power supply in a tiny TSOP−6 package. With a supply range up to 28 V, the controller hosts a jittered 65 kHz or 100 kHz switching circuitry operated in peak current mode control.
Features Fixed−Frequency 65 or 100 kHz Current−Mode Control Operation Internal and Adjustable Over Power Protection (OPP) Circuit Frequency Foldback Down to 26 kHz and Skip−Cycle in Light Load Conditions Internal Ramp Compensation Internal Fixed 4 ms Soft−Start 100 ms Timer−Based Auto−Recovery Short−Circuit Protection Frequency Jittering in Normal and Frequency Foldback Modes Option for Auto−Recovery or Latched Short−Circuit Protection OVP Input for Improved Robustness Up to 28 V VCCOperation +300 mA / −500 mA Source/Sink Drive Capability Less than 100 mW Standby Power at High Line EPS 2.0 Compliant 
These are Pb−Free DevicesTypical Applications ac−dc Converters for TVs, Set−top Boxes and Printers Offline Adapters for Notebooks and Netbooks