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IR1150ISTR Datasheet

  • IR1150ISTR

  • UPFC ONE CYCLE CONTROL PFC IC

  • 16頁(yè)

  • IRF

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Data Sheet No. PD60230 revAa
碌
PFC ONE CYCLE CONTROL PFC IC
Features
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PFC with IR proprietary 鈥淥ne Cycle Control鈥?/div>
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 鈥淪leep Mode鈥?/div>
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Open loop protection
Maximum duty cycle limit of 98%
User programmable fixed frequency operation
Min. off time of 150-350ns over freq range
V
CC
under voltage lockout
Internally clamped 13V gate drive
Fast 1.5A peak gate drive
Micropower startup (<200
碌A(chǔ))
Latch immunity and ESD protection
Parts also available Lead-Free
IR1150S(PbF)
IR1150IS(PbF)
Description
The
碌PFC
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 200碌A(chǔ), by pulling the OVP pin below 0.62V.
Package
IR1150 Application Diagram
V OUT
AC LI NE
-
+
BRIDGE
AC NEUTRAL
1
2
3
4
V cc
IR1150
COM
FREQ
ISNS
OVP
GATE
VCC
VFB
COMP
8
7
6
5
+
+
RTN
www.irf.com
1

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