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STD Variable Power Supply

License: Public Domain

Mode: Editors' pick

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Update time： 2020-08-24 00:33:20
Creation time： 2020-07-28 16:49:15
Description
1.25Vdc-28Vdc - Variable current power supplyup to 5 amps 5Vdc Fixed variable current power supply up to 3 amps Function Generator Option for either linear power supply or switch mode supply.
Design Drawing
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 LM338T U2,U4,U5 TO-220-3_L10.0-W4.5-P2.54-L 3
2 10uF C5,C2,C7,C10,C38 CAP-SMD_BD6.3-L6.6-W6.6-FD 5
3 Green CV LED2_PM,LED2 HDR-F-2.54_1X2 2
4 Red CC LED1_PM,LED1 HDR-F-2.54_1X2 2
5 Voltmeter H6,H3 HDR-F-2.54_1X2 2
6 Ammeter H5,H1 HDR-F-2.54_1X2 2
7 Adj_1_Out H4 HDR-F-2.54_1X2 1
8 USB H9 HDR-F-2.54_1X2 1
9 5V_Out H2 HDR-F-2.54_1X2 1
10 100uH L1,L2 IND-SMD_L12.5-W12.5 2
11 0.1 R12,R11 R2512 2
12 K2-3.6×6.1_SMD SW1_PM,SW2_PM POWER CONNECTOR 2
13 0.25 R1,R6,R3 RES-SMD_L6.4-W3.2 3
14 LM2576R-5.0 U1,U8 TO-263-5_L10.6-W9.6-P1.70-LS15.9-TL 2
15 TLC-USMD200 F1 F1210 1
16 0ohm R13,R4 R0805 2
17 5ohm R14 R0805 1
18 330 R15 R0805 1
19 1N5822 D2,D4 DO-201AD_BD5.3-L8.4-P12.50-D1.4-FD 2
20 1000uF C1 CAP-SMD_BD8.0-L8.3-W8.3-FD 1
21 4.7K R24,R21,R9,R8 R0805 4
22 5 R5 R1206 1
23 20K R19 R0805 1
24 100uF C4,C13,C15,C16 CAP-SMD_BD10.0-L10.3-W10.3-FD 4
25 1N4007G D3,D8 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 2
26 1N4007G_C402211 D1,D9,D7,D6 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 4
27 10K R20,R7,R29,R38,R36,R37,R34,R35 R0805 8
28 1K R16,R17,R22,R30 R0805 4
29 5ohm R3_PM,R2 RES-ADJ-TH_3296W 2
30 10k R18 RES-ADJ-TH_3296W 1
31 50 R1_PM,R2_PM RES-ADJ-TH_3296W 2
32 1K R23 RES-ADJ-TH_3296W 1
33 22K R10,R25 R0805 2
34 TL082IDT U6,U3 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 2
35 100nF C8,C3,C6,C11,C22,C19,C18,C23,C34,C32,C33,C39,C37,C42,C40,C41 C0805 16
36 10uF C31,C28 C1210 2
37 1SMA4739A D5 SMA_L4.4-W2.8-LS5.4-R-RD 1
38 KA7805ERTF U11 TO-252-2_L6.6-W6.1-P4.57-LS9.9-BR-CW 1
39 HDR-F-2.54_1x2 H7 HDR-F-2.54_1X2 1
40 SOLDERJUMPER-OLDNC SJ3 SJ_2S 1
41 47uF C12 C1206 1
42 10000uF C29,C26 CAP-TH_BD30.0-P10.00-D2.3-FD 2
43 GND TP2 TEST-TH_BD3.18-P1.93 1
44 V_GND TP4 TEST-TH_BD3.18-P1.93 1
45 -12V TP6 TEST-TH_BD3.18-P1.93 1
46 +5V TP7 TEST-TH_BD3.18-P1.93 1
47 VCC TP1 TEST-TH_BD3.18-P1.93 1
48 +12V TP5 TEST-TH_BD3.18-P1.93 1
49 +24V TP3 TEST-TH_BD3.18-P1.93 1
50 LM7824 U7 TO-252-2_L6.6-W6.1-P4.58-BR 1
51 LM7812 U10 TO-252-2_L6.6-W6.1-P4.58-BR 1
52 22uF C20,C21 CAP-SMD_BD6.3-L6.6-W6.6-FD 2
53 33K R27,R28 R0805 2
54 33uF C24 CAP-SMD_BD8.0-L8.3-W8.3-FD 1
55 Transformer H10 TRANSFORMER INPUT 1
56 1uF C25 CAP-SMD_BD4.0-L4.3-W4.3-FD 1
57 VD6-24D12E3 U9 PWRM-TH_VD6-XXDXXE3 1
58 100K R26 R2512 1
59 1000uF C14 CAP-SMD_BD16.0-L17.0-W17.0-FD 1
60 30V 10A Resetable F2 FUSE-TH_L14.0-W3.1-P10.50-D0.8-S2.00 1
61 LM7912 U12 TO-252-2_L6.6-W6.1-P4.58-BR 1
62 1000uF C30,C27 CAP-SMD_BD16.0-L17.0-W17.0-RD 2
63 330nF C9 C0805 1
64 IRF9Z14SPBF Q1 TO-263-2_L10.0-W9.1-P5.08-LS15.2-BR 1
65 SOLDERJUMPER_2WAYW SJ4 SJ_2W 1
66 SK-12D02-VG5 SW1 HDR-F-2.54_1X3 1
67 LM318MX/NOPB U17 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
68 Binding Post H8 HDR-F-2.54_1X2 1
69 LED-0805_R LED3 LED0805-FD 1
70 Extra IO J2 HDR-M-2.54_2X3 1
71 24MHz TP8 TEST-TH_BD3.18-P1.93 1
72 9833_Out TP9 TEST-TH_BD3.18-P1.93 1
73 Cry Osc X2 OSC-SMD_4P-L5.0-W3.2-BL_SG5032 1
74 AD9833BRMZ U15 MSOP-10_L3.0-W3.0-P0.50-LS5.0-BL 1
75 128X32_OLED U16 OLED_128X32 1
76 ATMEGA328P-PU U18 DIP-28_L34.6-W7.3-P2.54-LS10.2-BL 1
77 5 Way Switch U19 5 WAY ROTORY SWITCH 1
78 16MHz X1 HC-49S_L11.4-W4.8 1
79 ICSP U13 ICSP 1
80 1K RP2 POTENTIOMETER_TRIMMER_ACP_CA6H_VERTICAL 1
81 50K RP1 POTENTIOMETER_TRIMMER_ACP_CA6H_VERTICAL 1
82 1.3K R32,R33,R31 R0805 3
83 EC11_Rotary_Encoder EN1 ROTORY ENCODER 1
84 22pF C36,C35 C0805 2
85 BNC J1 2PIN-HEADER 1
86 ATMEGA328P-AU U14 TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL 1

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