3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055

3v - 30V 3A Voltage Regulator circuit using UA723 and 2n3055

3v - 30V 3A Voltage Regulator circuit using UA723 and 2n3055

3v – 30V 3A Voltage Regulator circuit using UA723 and 2n3055

IC ………….. uA723
TR1 …………. 2N3053
TR2 …………. 2N3055
TR3 …………. 2N3055
R1 ………….. 3,3K
R2 ………….. 1k ohm
R3 ………….. 1,2K ohm
R4 ………….. 100 ohm
R5-R6-R7-R8-R9 .. 1 ohm
C1 ………….. 4700uF 50V
C2 ………….. 1000uF 50V
C3 ………….. 100pF 50V
V Meter ……… DC 0 50V
A Meter ……… DC 0 5A
S …………… Switch
VR ………….. 1K ohm
T1 Transformer:
Pri: 220V
sec: 0 – 20V 3A