ir1155s International Rectifier Corp., ir1155s Datasheet - Page 10

• Manufacturer Part Number: ir1155s
• Description: Programmable Frequency, One Cycle Control Pfc Ic
• Manufacturer: International Rectifier Corp.

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Timing Diagrams
19% V
STAND_BY
100% V
106.5% V
(OLP)
UVLO
UVLO
REF
REF
REF
VCC Undervoltage Lockout
VCC Undervoltage Lockout
START
SOFT
Output Protection
10
NORMAL
NORMAL
OVP
NORMAL
UVLO
UVLO
102.2% V
STAND-BY
(OLP)
V
V
V
V
CC(ON)
CC(ON)
CC(UVLO)
CC(UVLO)
REF
© 2011 International Rectifier
IR1155S