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STD Adjustable Lab Power Supply 0-38V / 0-5A

Adjustable Lab Power Supply 0-38V / 0-5A

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Public Domain

License: Public Domain

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Update time: 2024-11-10 14:29:47
Creation time: 2021-05-26 07:25:01
Description

Description

 

This is a simple adjustable power supply that with a outpun voltage from 0 to 38V and current 0 to 5A, but since this is a LINEAR power supply I highly recommend to use a large heatsink with active cooling in ordwer to use it up to 5 Amps.

Design Drawing

Design Drawing

schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 GND GND,+ ONE_O 2
2 IN VCC ONE_O 1
3 OUT - ONE_O 1
4 BD140 Q9 TO-126-3_L8.0-W3.3-P2.28-L 1 C900680
5 250k R5 RES-ADJ_3296W 1 C13649
6 25k R4 RES-ADJ_3296W 1 C13649
7 2SD1047 Q7,Q8 TO-3P-3_L15.8-W4.8-P5.45-L 2 C2688707
8 10uf C3 CPOL-RADIAL-10UF-25V 1
9 4.7uf C1 CPOL-RADIAL-10UF-25V 1
10 10k R7,R10 AXIAL-0.4 2
11 100k R6 AXIAL-0.4 1
12 1k R8 AXIAL-0.4 1
13 8.2k R9 AXIAL-0.4 1
14 3.3k R11 AXIAL-0.4 1
15 2.2k R12 AXIAL-0.4 1
16 BC547 Q1,Q2 TO-92-3_L4.8-W3.7-P2.54-R 2 C358533
17 BC557 Q4,Q5,Q6 TO-92(TO-92-3F)-2.54 3 C358539
18 1N4007 D3 DO-204AL_BD2.4-L4.7-P8.70-D1.1-RD 1 C410859
19 2nF C2 RAD-0.2 1 C19355
20 10V D2 DO-35F 1
21 2.4V D1 DO-35F 1
22 0.22 5W R1,R3 RESISTOR 5W 2
23 0.1 5W R2 RESISTOR 5W 1
24 10k PR1 POTENTIOMETER 1 undefined
25 100k PR2 POTENTIOMETER 1 undefined

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