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International Rectifier - uPFC One Cycle Control PFC IC

Numéro de référence IR1150LS
Description uPFC One Cycle Control PFC IC
Fabricant International Rectifier 
Logo International Rectifier 





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IR1150LS fiche technique
Data Sheet No. PD60230
IR1150S
IR1150IS
µPFC ONE CYCLE CONTROL PFC IC
Features
PFC with IR proprietary “One Cycle Control”
Continuous conduction mode (CCM) boost type PFC
No line voltage sense required
Programmable switching frequency (50kHz-200kHz)
Programmable output overvoltage protection
Brownout and output undervoltage protection
Cycle-by-cycle peak current limit
Soft start
User initiated micropower “Sleep Mode”
Description
Open loop protection
Maximum duty cycle limit of 98%
User programmable fixed frequency operation
Min. off time of 150-350ns over freq range
VCC under voltage lockout
Internally clamped 13V gate drive
Fast 1.5A peak gate drive
Micropower startup (<200 µA)
Latch immunity and ESD protection
Package
The µPFC IR1150 is a power factor correction (PFC) control IC designed to operate in continuous
conduction mode (CCM) over a wide range input line voltages. The IR1150 is based on IR's
proprietary "One Cycle Control" (OCC) technique providing a cost effective solution for PFC.
The proprietary control method allows major reductions in component count, PCB area and
design time while delivering the same high system performance as traditional solutions.
The IC is fully protected and eliminates the often noise sensitive line voltage sensing requirements
of existing solutions.
The IR1150 features include programmable switching frequency, programmable dedicated
8-Lead SOIC
over voltage protection, soft start, cycle-by-cycle peak current limit, brownout, open loop,
UVLO and micropower startup current.
In addition, for low standby power requirements (Energy Star, 1W Standby, Blue Angel, etc.), the IC can be driven into sleep
mode with total current consumption below 200µA, by pulling the OVP pin below 0.62V.
IR1150 Application Diagram
AC LINE
BR ID GE
V OUT
AC NEUTRAL
www.datawwswh.irfe.coemt4u.com
IR 11 50
1 COM GATE 8
2 FREQ VCC 7
3 ISNS
VFB 6
4 OVP COMP 5
V cc
+
+
R TN
1

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