LM317 protecting circuit (top view) If V0=30V 30=1.25(1+R2/240)+(10-4)R2 R2 =5.4 KΩ LM317 protecting circuit (front view) Component Names & Specifications The main parts required for the construction of the variable regulated power supply are listed below along with their specifications:- BR1 = Bridge Rectifier, 100V - 3A C1 = 1000 µF, 63V IC1 = LM317, adjustable regulator C2 = 0.1 µF V = Meter, 30V, RI = 85 ohm C3 = 1µF Plug = 3-wire plug & cord C4 = 10µF TR1 = Transformer, 30V, 2A R1 = 240 ohm, 5% D1 = 1N4002 D2 = 1N4002 P1 = 5K, potentiometer Fuse = 110V, 500mA, slow-blow, Fuse Holder, wire, solder, case, knob for P1 Red & Black Banana Jacks
If V0=30V 30=1.25(1+R2/240)+(10-4)R2 R2 =5.4 KΩ LM317 protecting circuit (top view) LM317 protecting circuit (front view) Component Names & Specifications The main parts required for the construction of the variable regulated power supply are listed below along with their specifications:- BR1 = Bridge Rectifier, 100V - 3A C1 = 1000 µF, 63V IC1 = LM317, adjustable regulator C2 = 0.1 µF V = Meter, 30V, RI = 85 ohm C3 = 1µF Plug = 3-wire plug & cord C4 = 10µF TR1 = Transformer, 30V, 2A R1 = 240 ohm, 5% D1 = 1N4002 D2 = 1N4002 P1 = 5K, potentiometer Fuse = 110V, 500mA, slow-blow, Fuse Holder, wire, solder, case, knob for P1 Red & Black Banana Jacks
76332379-REGULATED-POWER-SUPPLY.docx