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STD Split Rail SMPS

License: CC-BY-SA 3.0

Mode: Editors' pick

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Update time: 2020-08-17 10:38:28
Creation time: 2020-06-02 17:03:39
Description
Ultra low noise switch-mode power supply with +/-15V low noise rails and a 5V support rail. Work in progress.
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 600Ω 2.9A/38mΩ BEAD4 L1206 1
2 800Ω 2.5A/50mΩ BEAD5,BEAD6,BEAD7 L1206 3
3 1u C37,C24,C5 C0402 3
4 500 VR1,VR3,VR2 TC42X2103E 3
5 10u C40,C31 C0805 2
6 100n C29,C32,C34,C35,C36,C16,C19,C21,C22,C23,C48,C6,C7,C8,C10,C13 C0402 16
7 DFLS220L-7 D3,D2,D1 POWERDI-123_L2.8-W1.8-LS3.7-RD 3
8 1u5 TR1 IND-SMD_SRF0703A 1
9 LTST-C190GKT LED3,LED2,LED1 LED0603-RD 3
10 1u C38,C25,C4 C0603 3
11 680 R28 R0603 1
12 10u C39,C18,C26,C27,C3,C11,C15 C1206 7
13 3n3 C30 C0402 1
14 10p C47,C45,C46 C0402 3
15 DCIN5 H19 HDR-TH_3P-P2.54-V 1
16 LT8364 U5,U3,U1 DFN-12_L4.0-W3.0-P0.50-TL-EP3.3 3
17 +5V H8 HDR-TH_2P-P2.54-V 1
18 BYPASS H17 HDR-TH_2P-P2.54-V 1
19 22k R24,R25,R11,R3,R2,R4 R0402 6
20 15k R27 R0402 1
21 6k8 R26 R0402 1
22 22u C33,C44 C0603 2
23 1000Ω 2A/75mΩ BEAD3,BEAD2 L1206 2
24 LT3094 U4 MSOP-12_L4.0-W3.0-P0.65-LS5.1-TL-EP2.8 1
25 3u3 TR3,TR2 IND-SMD_SRF0703A 2
26 150k R18,R6 R0805 2
27 4k7 R15,R9 R0805 2
28 220k R16,R8 R0805 2
29 6k8 R17 R0805 1
30 100k R5,R10 R0805 2
31 47k R30,R31 R0805 2
32 680 R32,R33 R0805 2
33 AP6N090N Q4 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1
34 10k R21,R20 R0603 2
35 150 R22,R19 R0603 2
36 22u C28,C14 C0805 2
37 2n2 C17 C0402 1
38 DCIN- H13 HDR-TH_3P-P2.54-V 1
39 REGIN- H15 HDR-TH_3P-P2.54-V 1
40 REGEN- H5 HDR-TH_2P-P2.54-V 1
41 -15V H7 HDR-TH_2P-P2.54-V 1
42 2k2 R13,R1 R0402 2
43 47k R14,R12,R29 R0402 3
44 SSM3K37MFV,L3F Q2,Q1 SOT-723_L1.2-W0.8-P0.40-LS1.2-BR 2
45 10u C20,C42,C9,C43 C0603 4
46 470Ω 4A/20mΩ BEAD1 L1206 1
47 220u C2 CAP-SMD_BD10.0-L10.3-W10.3-L-FD 1
48 200k VR4 TC42X2103E 1
49 LP2950ACDT−3.3 U6 DPAK_L6.5-W6.0-P2.29-LS9.9-BR 1
50 4u7 C1 C1210 1
51 LTC6902CMS#PBF U8 MSOP-10_L3.0-W3.0-P0.50-LS5.0 1
52 SYNC H11 HDR-TH_3P-P2.54-V 1
53 GND H18 HDR-TH_3P-P2.54-V 1
54 470nH L2 IND-SMD_L2.5-W2.0 1
55 VIN H1 HDR-TH_2P-P2.54-V 1
56 VIN_CM H9 HDR-TH_2P-P2.54-V 1
57 SYNCEN H16 HDR-TH_2P-P2.54-V 1
58 SSFMDIS H2 HDR-TH_2P-P2.54-V 1
59 100 R35,R36,R34 R0402 3
60 33k R23 R0402 1
61 4u7 C41 C0603 1
62 ACM1211-102-2PL-TL01 L1 FILTER-SMD_4P-L12.0-W11.0-BL 1
63 LT3045-1 U2 MSOP-12_L4.0-W3.0-P0.65-LS5.1-TL-EP2.8 1
64 270 R7 R0805 1
65 4n7 C12 C0402 1
66 DCIN+ H14 HDR-TH_3P-P2.54-V 1
67 REGIN+ H12 HDR-TH_3P-P2.54-V 1
68 REGEN+ H3 HDR-TH_2P-P2.54-V 1
69 +15V H4 HDR-TH_2P-P2.54-V 1
70 AP6P250N Q3 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1

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