MC33374 high power voltage switching regulator

  
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This switching power supply circuit diagram is based on the MC33374 high power voltage switching regulator IC manufactured by Motorola Semiconductor. This MC33374 switching power supply circuit will provide a maximum output power around 90 W and require few external components. The MC33374 switching regulator IC is designed to operate directly f
MC33374 high power voltage switching regulator - schematic

rom a rectified AC line source, and in flyback converter applications are capable of providing an output power in excess of 150 W with a fixed AC input of 100 V, 115 V, or 230 V, and in excess of 90 W with a variable AC input that ranges from 85 V to 265 V. The hard part of these switching power supply circuit is to design the T1 transformer, but you have the design data for that bellow, or you can buy a transformer from Coilcraft.



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