Category Archive: Voltage Regulator

Jul 27

DC 4V-9V Adjustable Voltage Regulator

DC 4V-9V Regulator-schematic-diagram

  Parts List Resistor : R1,R2 …………………………. 2,2K R3 ………………………………. 15K R4 ………………………………. 22K R5 ………………………………. 10K Variable Resistor : VR1 ………………………………. 2K Capacitor : C1,C2 ………………….. 2,2uF/25V C3 ………………………. 10uF/10V Transistor : TR1,TR2,TR3 …………. FCS 9014D TR4 …………………………… BC 140 Diode : D1 ……………………………… ZD 12V  

Jul 08

Linear 0-15V 10A DC Regulator

0-15V 10A DC Regulator-schematic-diagram

Parts List Resistor : R1,–R5 ……………………. 0,22/5W R6,R8,R12 …………………… 100K R7,R15 ………………………… 2,2K R9,R11 …………………………. 10K R10 ……………………………… 12K R13,R14 …………………………. 47 Variable Resistor : VR1 ………………………………. 5K Capacitor : C1 ………………………………. 470pF C2 ………………………………. 100uF C3 ……………………………….. 0,1uF Transistor : TR1 …………………………… CS9015 TR2 ………………………………. A671 TR3 …………………………….. C1061 TR4,—TR7 …………………. 2N3055 Integrated Circuit …

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Jul 08

UA78G 10V-15V 3A-6A DC Regulator

10V-15V 3A-6A DC Regulator-schematic-diagram

Parts List Resistor : R1,R2,R3 ………………… 2,2K Variable Resistor : VR1 …………………………… 3K Capacitor : C1,C2 ……………………… 10uF C3 …………………………. 0,1uF Transistor : TR1 ……………………. 2N3055 Integrated Circuit : IC1 ………………………. uA78G     For 3A load : Traformer’s secondary specs: 16V 3A For 6A load : Traformer’s secondary specs: 18V 6A The transistor  should …

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Jul 08

Variable Output Voltage 0-30V 2,5A DC Regulator

0-30V 2,5A DC Regulator-schematic-diagram

Parts List Resistor : R1 ……………………….. 0,22 R2,R3,R7 ……………… 100K R4,R8 ……………………. 10K R5 ……………………….. 2,2K R6 ………………………….. 47 R9 ……………………….. 3,3K Variable Resistor : VR1 …………………………… 5K Capacitor : C1 …………………………… 10uF C2 …………………………. 470pF Transistor : TR1 ……………………… CS9015 TR2 …………………………. A671 TR3 ………………………. 2N3055 Integrated Circuit : IC1 ……………………….. LM723