Power Supplies

13.8V 250W PC POWER SUPPLY MODIFIED SCHEMATIC CIRCUIT DIAGRAM

A different mode πŸ™‚ Pc power supply transformers are used in the control controller SG3525 and primary drive transistors IRF730 but the driver has to wrap the transformer by yourself unfortunately the original PSU driver transformer’s version voltage is not enough for fetuses

250 W SMPS with Power FETΒ beautiful project yield used MOSFETs, though higher net system made straightening with a method I do not know exactly designed accordingly normally rectified by said output of the power transformer that has twoΒ IRFZ44NΒ used clear if they deemed diode πŸ™‚

13.8V 250W PC POWER SUPPLY MODIFIED SCHEMATIC CIRCUIT DIAGRAM 1

Drive Transformer BJT type winding secondary transformers according to BJT type transistors.

13.8V 250W PC POWER SUPPLY MODIFIED SCHEMATIC CIRCUIT DIAGRAM 2

If you have a strong powersupply, you can see how many volts the drive transformer has by canceling the primary part in your hand and simply arranging it to the control floor and drive transformer.

13.8V 250W PC POWER SUPPLY MODIFIED SCHEMATIC CIRCUIT DIAGRAM 3

I have given an example in the picture, but the powerde material values ​​in the structure may be different is usually the cheapest standard power lerde πŸ™‚ Check the same test TL494 or standard in the datasheet file can be used in the test all parts used in the project all the details can be found all the details scop measurements transformer information will make friends easy to come πŸ™‚

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