IR1155S

Adjustable Frequency One Cycle Control PFC IC

ParametricIR1155S
VCC  min  max12.0V  20.0V
Package8-lead SOIC
Over Voltage ProtectionYes
Switching Frequency  min  max48.0kHz  200.0kHz
Moisture Sensitivity Level2
Out Peak Current  max1.5A
VCCUV-9.8V
VCCUV+11.3V
Sales Product NameIR1155S
OPNIR1155SPBF
Product Statusdiscontinued
Package NameSOIC 8N
Completely lead freeno
Halogen freeyes
RoHS compliantyes
Packing Size95
Packing TypeTUBE
Moisture Level2
OPNIR1155STRPBF
Product Statusactive
Package NameSOIC 8N
Completely lead freeno
Halogen freeyes
RoHS compliantyes
Packing Size2500
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • PFC IC with IR proprietary "One Cycle Control"
  • Continuous conduction mode boost type PFC
  • Programmable switching frequency (50k-200kHz)
  • Average current mode control
  • Output overvoltage protection
  • Open loop protection
  • Cycle by cycle peak current limit
  • VCC under voltage lockout
  • Programmable soft start
  • Micropower startup
  • User initiated micropower "Sleep Mode"
  • OVP/EN pin internal filtering for higher noise immunity
  • 1.5A peak gate drive
  • Latch immunity and ESD protection
Target Applications:
  • PFC
Diagrams
Data Sheet
TitleSizeDateVersion
Data Sheet - IR1155S,EN389 KB03 Feb 2011
Application Notes
TitleSizeDateVersion
Power Factor Correction using IR1155 CCM PFC ICEN236 KB03 Feb 2011
EN IR1155S
EN IR1155S