Onsemi NCP1076B | Demoboard NCP1076FLBKGEVB

Description

Built−in 700 V MOSFET with RDS(on) of 4.7Ohm (NCP1076/77) /11 Ohm (NCP1072/75) / 22 Ohm (NCP1070/71)• Large Creepage Distance Between High−voltage Pins• Current−Mode Fixed Frequency Operation – 65 / 100 / 130 kHz• Peak Current: NCP1070/72 with 250 mA, NCP1071 with 350 mA,NCP1075 with 450 mA, NCP1076 with 650 mA and NCP1077 with800 mA• Fixed Ramp Compensation• Skip−Cycle Operation at Low Peak Currents Only: No AcousticNoise!• Dynamic Self−Supply: No Need for an Auxiliary Winding• Internal 1 ms Soft−Start• Auto−Recovery Output Short Circuit Protection withTimer−Based Detection• Auto−Recovery Overvoltage Protection with AuxiliaryWinding Operation• Frequency Jittering for Better EMI Signature, IncludingFrequency Foldback Mode• No Load Input Consumption < 50 mW

Features

Universal AC Input Range (85 – 265 Vac)

• Input Filter for Conducted EMI Attenuation
• Very Low Standby and No−load Power Consumption
• Frequency Fold−back for Improved Efficiency at LightLoad
• Inherent Over−current, Over−voltage andOver−temperature Protections
• Frequency Jittering for Better EMI Signature
• Adjustable Peak Current to Set the Required Level ofOver−current Protection
• Adjustable Brown−out Function

More information

• Datasheet
• IC product information