Description
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controller MOSFET.with integr
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DIP8-300-2.54
LY952 3/LY 952 5/LY95 26/LY95 27 /LY9528
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LY9523/LY9525/LY9526/LY9527/LY9528
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td.Current mode PWM controller with integrated high voltage power MOSFET
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design wit h LY952 3/ LY952 5/LY 952 6/LY95 27/ LY95 28 .the IC operates in Extend ed
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‘burst mod e’ to minimize switching loss.Low
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Features
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Integrate d high volta ge po wer MOSFET Low Vcc Startup Cu r rent( 5 μ A)
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Frequ ency shuffling for EMI
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UVLO an d Auto Self- Recover y Soft Start with 4mS Burst Mode
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Feb. .2011
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Cycle- by- Cycle Ove r-curr ent limiting
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Ove r curre nt Protection(O CP),o ver voltag e Protection(OVP)
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“No Y-C.