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FA5534

Fuji Electric
Part Number FA5534
Manufacturer Fuji Electric
Description (FA5533 / FA5534) PFC / PWM Combination
Published Sep 23, 2008
Detailed Description PFC / PWM Combination IC FA5533/34 Features Features •Critical mode Power Factor Correction and PWM are combined : suita...
Datasheet PDF File FA5534 PDF File

FA5534
FA5534

Overview
PFC / PWM Combination IC FA5533/34 Features Features •Critical mode Power Factor Correction and PWM are combined : suitable for smaller power supply •Internal start-up circuit with 500V rating and low frequency operation achieves 340mW input at no load when PFC stops.
• Small Output Capacitance : Linearly reduced frequency for light load makes small ripple voltage.
• PFC stops below half load ( only for FA5533 ) •Vcc rating 28V allows no series regulator for PW M_ FB LV www.
DataSheet4U.
com BlockDiagram Diagram Block COMP MUL underdevelopment development under PFC_ IS ZCD AC LIGHT_ LOAD ZCD ERR PFC_ FB + MUL R TIMER R 1shot Overvoltage detection OVP LV OVP S + - R Q RESTART ...


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