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IR11672AS Datasheet(PDF) 1 Page - International Rectifier |
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IR11672AS Datasheet(HTML) 1 Page - International Rectifier |
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1 / 25 page  www.irf.com © 2009-2011 International Rectifier July 13, 2011 IR11672AS ADVANCED SMART RECTIFIER TM CONTROL IC Features • Secondary side high speed SR controller • DCM, CrCM flyback and Resonant half-bridge topologies • 200V proprietary IC technology • Max 500KHz switching frequency • Anti-bounce logic and UVLO protection • 7A peak turn off drive current • Micropower start-up & ultra low quiescent current • 10.7V gate drive clamp • 50ns turn-off propagation delay • Vcc range from 11.3V to 20V • Direct sensing of MOSFET drain voltage • Enable function synchronized with MOSFET VDS transition • Cycle by Cycle MOT Check Circuit prevents multiple false trigger GATE pulses • Lead-free • Compatible with 0.3W Standby, Energy Star, CECP, etc. Typical Applications • LCD & PDP TV, Telecom SMPS, AC-DC adapters, ATX SMPS, Server SMPS Product Summary Topology Flyback, Resonant Half-bridge VD 200V VOUT 10.7V Io+ & I o- (typical) +2A & -7A Turn on Propagation Delay 60ns (typical) Turn off Propagation Delay 50ns (typical) Package Options 8-Lead SOIC Typical Connection Diagram RMOT Cdc Rg VD 5 VS 6 MOT 3 OVT 2 EN 4 GND 7 VGATE 8 VCC 1 U1 IR11671 Q1 XFM Co Rdc Vin Rtn Ci Rs Cs IR11672AS Datasheet No - PD97469 |
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