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NCP1605 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP1605 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 32 page © Semiconductor Components Industries, LLC, 2009 April, 2009 − Rev. 7 1 Publication Order Number: NCP1605/D NCP1605, NCP1605A Enhanced, High Voltage and Efficient Standby Mode, Power Factor Controller The NCP1605 is a controller that exhibits near−unity power factor while operating in fixed frequency, Discontinuous Conduction Mode (DCM) or in Critical Conduction Mode (CRM). Housed in a SOIC−16 package, the circuit incorporates all the features necessary for building robust and compact PFC stages, with a minimum of external components. In addition, it integrates the skip cycle capability to lower the standby losses to a minimum. General Features • Near−Unity Power Factor • Fixed Frequency, Discontinuous Conduction Mode Operation • Critical Conduction Mode Achievable in Most Stressful Conditions • Lossless High Voltage Current Source for Startup • Soft Skipt Cycle for Low Power Standby Mode • Switching Frequency up to 250 kHz • Synchronization Capability • Fast Line / Load Transient Compensation • Valley Turn On • High Drive Capability: −500 mA / +800 mA • Signal to Indicate that the PFC is Ready for Operation (“pfcOK” Pin) • VCC range: from 10 V to 20 V • Follower Boost Operation • Two VCC Turn−On Threshold Options: 15 V for NCP1605, 10.5 V for NCP1605A • This is a Pb−Free Device Safety Features • Output Under and Overvoltage Protection • Brown−Out Detection • Soft−Start for Smooth Startup Operation • Overcurrent Limitation • Zero Current Detection Protecting the PFC stage from Inrush Currents • Thermal Shutdown • Latched Off Capability Typical Applications • PC Power Supplies • All Off Line Appliances Requiring Power Factor Correction http://onsemi.com SOIC−16 D SUFFIX CASE 751B Device Package Shipping† ORDERING INFORMATION MARKING DIAGRAMS A = Assembly Location WL = Wafer Lot Y = Year WW = Work Week G = Pb−Free Package 1 NCP1605G AWLYWW 1 2 3 4 5 6 7 8 16 15 14 12 11 10 9 (Top View) CSin STBY BO Vcontrol FB CSout/ZCD Ct OSC/SYNC HV NC pfcOK/REF5V VCC GND OVP/UVP DRV 13 STDWN PIN CONNECTIONS †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. 1 NCP1605DR2G SOIC−16 (Pb−Free) 2500/Tape & Reel 16 NCP1605ADR2G SOIC−16 (Pb−Free) 2500/Tape & Reel NCP1605AG AWLYWW 1 16 |
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