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IR1152SPBF Datasheet(PDF) 1 Page - International Rectifier |
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IR1152SPBF Datasheet(HTML) 1 Page - International Rectifier |
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1 / 20 page  www.irf.com © 2011 International Rectifier Feb 21, 2011 IR1152S FIXED 66kHz FREQUENCY, µPFC ONE CYCLE CONTROL PFC IC WITH BROWN-OUT PROTECTION Features Description Package IR1152 Application Diagram VOUT RTN ACIN1 ACIN2 COM 1 BOP 4 VFB 6 VCC 7 GATE 8 ISNS 3 COMP 2 OVP/EN 5 IR1152 -+ VCC + • 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 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 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. |
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