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IR1150 其他数据使用手册 - Infineon（英飞凌）
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IR1150数据手册
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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”
µµ
µµ
µPFC ONE CYCLE CONTROL PFC IC
IR1150S(PbF)
IR1150IS(PbF)
www.irf.com 1
IR1150 Application Diagram
Data Sheet No. PD60230 revAa
Description
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
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.
Package
8-Lead SOIC
• 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 µA)
• Latch immunity and ESD protection
• Parts also available Lead-Free
ISNS
3
COMP
5
VFB
6
OVP
4
FREQ
2
VCC
7
GATE
8
COM
1
IR1150
-+
BRIDGE
V OUT
RTN
+
AC NEUTRAL
AC LINE
Vcc
+
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