English
Language : 

IR1161LPBF_15 Datasheet, PDF (1/25 Pages) International Rectifier – Secondary side synchronous rectification controller
IR1161LPBF
SMARTRECTIFIERTM Control IC
Features
Product Summary
 Secondary side synchronous rectification
controller
Topology
 DCM, CrCM Flyback and resonant half-bridge
VD
topologies
 Direct sensing of MOSFET drain voltage up to 200V VCC
 Max 500kHz switching frequency
 Anti-bounce logic and UVLO protection
Io+ & I o-
 Micropower start-up & ultra-low quiescent current
 50ns turn-off propagation delay
 Programmable Minimum On Time
 Vcc Operating voltage range 4.75V to 18V
 Cycle by Cycle MOT Check Circuit
Turn on Propagation
Delay
Turn off Propagation
Delay
 Lead-free
 Compatible with 0.3W Standby, Energy Star, CECP,
etc.
Package Options
Applications
 Charger, AC-DC adapters
Flyback,
Resonant Half-bridge
200V
4.75V ~ 18V
+1A & -2.5A
50ns (typical)
50ns (typical)
Application Diagram
5-Pin SOT-23
+
Primary
Controller
VD
4
GATE
5
MOT
3
GND
2
1 VCC
LOAD
-
Ordering Information
Base Part Number
Package Type
IR1161LPBF
5L-SOT-23
Standard Pack
Form
Quantity
Tape and Reel
3000
Complete Part Number
IR1161LTRPBF
1 www.irf.com © 2015 International Rectifier
Submit Datasheet Feedback
June 1, 2015