IR11672AS_15 Datasheet, PDF (1/26 Pages) International Rectifier – Secondary side high speed SR controller

IR11672AS
ADVANCED SMARTRECTIFIER^TM CONTROL IC
Features
 Secondary side high speed SR controller
 DCM, CrCM flyback and Resonant half-bridge
topologies
 200 V proprietary IC technology
 Max 500 KHz switching frequency
 Anti-bounce logic and UVLO protection
 7 A peak turn off drive current
 Micropower start-up & ultra low quiescent current
 10.7 V gate drive clamp
 50ns turn-off propagation delay
 Vcc range from 11.3 V to 20 V
 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 0.3 W Standby, Energy Star,
CECP, etc.
Product Summary
Topology
VD
V_OUT
I_o+ & I _o- (typ.)
Turn on Propagation
Delay (typ.)
Turn off Propagation
Delay (typ.)
Flyback,
Resonant Half-bridge
200 V
10.7 V
+2 A & -7 A
60 ns
50 ns
Package Options
Typical Applications
 LCD & PDP TV, Telecom SMPS, AC-DC
adapters, ATX SMPS, Server SMPS
8-Lead SOIC
Ordering Information
Base Part Number
Package Type
IR11672AS
SOIC8N
Standard Pack
Form
Tube/Bulk
Tape and Reel
Quantity
95
2500
Complete Part Number
IR11672ASPBF
IR11672ASTRPBF
1 www.irf.com © 2013 International Rectifier
Nov 6, 2013