18V DC power supply by 7818
When i want dc regulator power supply 18V 1A.
I like this circuit because it is easy to make.
The main parts of the are the IC 7818 and the 1000uf 35V capacitors.
I used the 18VAC 1A transformer,The output of the transformer is rectified by diode 1N4007 or equivalent.
The voltage here is unregulated value 24V to 26V DC.
You must use the IC1 with a suitable heatsink.
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Categories: Power supply Tags: dc voltage regulator, IC 7818, ic 78xx
78xx Power Supply
Of all the voltage regulator ICs, the 78xx family is by far the most established. Not surprisingly! It is difficult to get performance this good with so few outside components necessary.
Just like the famous LM317, the 78xx family incorporates automatic shutdown in case of overheating. You can get up to 1.5A of current with a suitable heat sink. No fuse is required.
Read More source: http://www.geocities.com/tomzi.geo/78xx/78xx.htm
Thank you.
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7806 dc regulator 6V
The main parts of this circuit is IC 7806,It is normal IC linear dc voltage regulator 6V at 1A current.
It is easy project electronic because used the minority part and low cost too.
I have of a 9Vac 1A transformer,The output of the transformer is rectified by diode 1N4001 or equivalent to more high power,
Thence to smoothed filter using 470uF 35V capacitors,so the volt this is unregulated DC voltage have value 11V-12V DC.
Besides must use this ic with a suitable heatsink.
Detail more,Please in image circuit.
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