Position: Index > Power Supply Circuit >

Power Supply Adjustable 30

2014-11-15 20:00  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.
 

Power Supply Adjustable 0V-30V DC/2A

Power_supply_30.gif (23673 bytes)

   ????? ??? ???? ??????? ???????????? ????????????, ????????? ??? ?????? ???????????? LM 723, ??? ?????? ??? ?????????? ?????? Q1 2?3055 .H ??????? ??? ????? ?????? ??????? ?? ?? ????????????? ?1 ??? 0V-30V DC ??????? . ??? ?? ????????? ?? 30 V ,?? ?????? ? ??????????????? ??????????? ?R1, ?? ????? ??? ?? ????? ??? ?????? ?? ?????? ,?????? ? ???? ?????? ?? ????????? ??? ??????? ??? 26 V ???????. ?????????? ????? ? ????? ???? ????? ?????? ??? ?? ?????????? Q1, ????? ?????? ??? ????? ????????? ?????????????? ??? ???? ??? ?1.

  It is a simple circuit regulated power supply, based on the known LM 723, that drive a transistor Q1 [2N3055]. The regulation of voltage, of expense becomes with potentiometer R1 from 0v-30v DC roughly. In order to we achieve 30 V, will should the transformer of supply TR1, it gives all the current that it asks the load, differently the output voltage it will be found in the levels of 26 V roughly. Essential is the use of a good heatsink for transistor Q1, as well as good quality of potentiometer in the place of R1.

Part List

R1=1.2KohmC1=4700uF/63VIC1=LM723V1=0-30V DC
R2=680ohmC2=100nF63V MKTQ1=2N3055TR1=220VAC/ 27V 4A
R3=0.33ohm/5WC3=4.7nF63V MKTB1=Brindge 100V 5AS1=2x10A SW
R4=15KohmC4=220uF/63VF1=0.5A Fast Fuse
R5=3.9KohmP1=4K7 LOG. POT.F2=2A Slow Fuse

 

]


Reprinted Url Of This Article:
http://users.otenet.gr/~athsam/power_supply_30.htm