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Split Rail SMPS

2 months ago 79
  • Description
  • Documents
  • BOM
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Description

Ultra low noise switch-mode power supply with +/-15V low noise rails and a 5V support rail. Work in progress.

Documents

Positive Rail

Input Filter

v1-do-not-use

Negative Rail

5V Rail

v2-work-in-progress

v2-2020-07-25

v2-2020-07-27-jlcpcb

BOM

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

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