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IR1152S PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR1152S
部品説明 uPFC ONE CYCLE CONTROL PFC IC
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR1152S Datasheet, IR1152S PDF,ピン配置, 機能
Feb 21, 2011
IR1152S
FIXED 66kHz FREQUENCY, µPFC ONE CYCLE CONTROL PFC
IC WITH BROWN-OUT PROTECTION
Features
• PFC IC with IR proprietary “One Cycle Control”
• Continuous conduction mode boost type PFC
• Fixed 66kHz switching frequency
• Average current mode control
• Input line sensed brownout protection
• 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”
• 750mA peak gate drive
• Latch immunity and ESD protection
Description
µPFC IR1152 power factor correction IC, based on IR proprietary "One
Cycle Control" (OCC) technique, provides for high PF and excellent DC
Bus regulation while enabling drastic reduction in component count,
PCB area and design time as compared to traditional solutions. The IC
is designed to operate in 85-264VAC universal input, continuous
conduction mode Boost PFC at fixed 66kHz switching frequency.
IR1152 features include input-line sensed brown-out protection,
overvoltage protection, cycle by cycle peak current limit, open loop
protection, VCC UVLO, soft-start and micropower startup current of less
than 75µA. In addition, for standby power requirements, the IC can be
http://www.DataSheet4U.com/
driven into a micropower sleep mode by pulling the OVP/EN pin low
where the current consumption is less than 75uA. The IR1152 is
available in SO-8 packages.
Package
IR1152 Application Diagram
ACIN1
-+
ACIN2
VCC
1 COM GATE 8
2 COMP VCC 7
3 ISNS
VFB 6
4 BOP OVP/EN 5
IR1152
VOUT
+
RTN
www.irf.com
© 2011 International Rectifier

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