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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