DSA00358226.pdf by STMicroelectronics

Partial File Text AN891 Application note SMPS with L4990 for Multisync monitors Introduction This paper can be used as design guide of a flyback converter for monitors power supply. The high performance PWM contro
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110 volt ac transformer less power supply 6v 110 volt ac transformer less power supply 90v 12 volt smps Circuit diagram 12v transformer winding formula 220V ferrite core transformer 220V ferrite core transformer free data 220V to 12V AC transformer 12w 24 volt output smps design 80V DC to 12v dc 2 amp converter circuit diagram 80V DC to 12v dc 5 amp converter circuit diagram 90w flyback AN891 china fbt diode zener c71 eer4242 ferrite core transformer calculation formula ferrite TRANSFORMER calculation flyback transformer 4kV flyback transformer FBT 18 flyback transformer monitor KTC1815Y L4990 monitor FBT monitor flyback transformer smps 10w 12V TL431 13.6v transformer calculation transformer formula 220v Ac to 14v Dc transformer winding formula 12v Dc to 220v ac transformer winding formula 220v Ac to 100v ac transformer winding formula 220v Ac to 12v Dc transistor 79t zener 150v 1w zener diode 5.6v 12.5w