www.irf.com
?2012 International Rectifier
February 22, 2012
IRS2500S
TRANSITION MODE PFC CONTROL IC
Features
"    PFC Control IC
"    Boost or Flyback Converter Modes
"
Critical-conduction / Transition mode
operation
"    Over-current protection
"    Static and Dynamic DC bus overvoltage
protection
"    Micropower startup (<50糀)
"    Low quiescent current (2.5mA)
"    Latch immunity and ESD protection
"    Wide range PFC for universal AC line input
"    Low THD
"    Open load Over voltage protection
"    Noise immunity
Typical Applications
" Switched Mode Power Supplies
" Electronic Ballasts
" LED Drivers
Product Summary
Topology
Boost / Flyback
I
o+
& I
o-
(typical)
500 / 500 mA
t
r
& t
f
(typical)
60 / 30 nS
Packages
8-Lead SOIC
Typical Connection Diagram