Channel: Easy HomeMade Projects

Category: Howto & Style

Tags: 1~18v) dc variable lab power supply circuitprojectshomemadehomemade dc supplyhow to make (0~4adiy lab power supplyvariable power supplydc power supplyveriable current and voltage power supplyeasyhow to make a power supply

Description: $2 for 10 PCBs (24 hour fast turn around): jlcpcb.com/f NOTE: This circuit is best for 3A (MAX 4A) and 24VDC. Use a 24V transformer to increase voltage range. Also use a big heatsink with a fan if your load is linear and higher than 2Amps. TOOLS: Soldering Iron: goo.gl/cuAJQq LODESTAR L301206 0.6mm Solder Wire: goo.gl/zTtPjV Metal Material Soldering Iron Stand with Sponge: goo.gl/F2PSrD List of components: Q1 = TIP3055 Q2 = BD140 Q3,Q7 = BC547 Q4,Q5,Q6 = BC557 D1 = 1N4148 D2 = 2.4V Zener D3 = 10V Zener D4 = 6Amp Bridge rectifier (GBJ6005-F) R1 = 100K R2 = 250K (3296W) R3,R8 = 10K R4 = B100K POT R9 = B10K POT R5 = 25K (3296W) R6 = 8.2K R7 = 1K R10 =3.3K R11 = 2.2K R13 = 2K R4 = 0.2R 5W C1,C2 = 4.7uf / 50V C3 = 2n2 C4 = 4700uf / 50V LED = 5MM RED Heat sink 15V 4A Transformer Wires Circuit Diagram & PCB Gerber Files: mediafire.com/folder/3rkrrv744f0kn/Files #VariablePowerSupply #DIYLabSupply #PowerSupply Like Us On Facebook: goo.gl/rUxA5C