Datasheet No - PD97469 July 13, 2011 IR11672AS TM ADVANCED SMART RECTIFIER CONTROL IC Product Summary Features Secondary side high speed SR controller Flyback, Topology DCM, CrCM flyback and Resonant half-bridge Resonant Half-bridge topologies 200V proprietary IC technology VD 200V Max 500KHz switching frequency V 10.7V OUT Anti-bounce logic and UVLO protection 7A peak turn off drive current I & I (typical) +2A & -7A o+ o- Micropower start-up & ultra low quiescent current 10.7V gate drive clamp Turn on Propagation 60ns (typical) 50ns turn-off propagation delay Delay Vcc range from 11.3V to 20V Turn off Propagation Direct sensing of MOSFET drain voltage 50ns (typical) Delay Enable function synchronized with MOSFET VDS transition Package Options 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, 8-Lead SOIC ATX SMPS, Server SMPS Typical Connection Diagram Vin Rs Rdc XFM Cdc U1 Cs 1 8 VCC VGATE Ci 2 7 OVT GND 3 6 Co MOT VS RMOT 4 5 EN VD Rg IR11671 IR11672AS Rtn Q1 www.irf.com 2009-2011 International Rectifier LOADIR11672AS Table of Contents Page Description 3 Qualification Information 4 Absolute Maximum Ratings 5 Electrical Characteristics 6 Functional Block Diagram 8 Input/Output Pin Equivalent Circuit Diagram 9 Lead Definitions 10 Lead Assignments 10 Application Information and Additional Details 12 Package Details 22 Tape and Reel Details 23 Part Marking Information 24 Ordering Information 25 www.irf.com 2009-2011 International Rectifier 2