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UCC28051+PC817+78L05+12V1.5A开关电源+原理图+PCB作品文件分享。: p; M: P- a9 w2 Q
用AD画的2层板,
! Y, o% F! U9 s; M. c1 O12V1.5A开关电源,
3 o4 f/ R6 U3 t; x* [" e* [板子很简单,
0 _5 ~- {$ A( C1 n* Q5 ^- O有需要的可以看看。
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- M5 v7 y0 q0 B层数:2层
* s! Z' i; ?; X; F# P! g2 h( h) J用途:开关电源( B, N8 a# B, {1 N0 K" }9 w5 [
pcb作品截图如下:
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附件:
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Comment | Designator | Quantity | Footprint |
1 y$ P; t3 [0 O" b) t3 k | BR1 | 1 | BR-1 | Cap | C1, C5 | 2 | CX10-H |
8 ^4 L& d+ K; }' ^2 v | C2 | 1 | C6.5 | Cap | C4, C7, C11, C24, C25, C26, C31, C32, C34, C35 | 10 | 0805-C | Cap | C6, C8 | 2 | CX10-B | 104 | C9, C15 | 2 | 0805-C | Cap | C13 | 1 | 1206-CD | Cap | C14, C17 | 2 | CAP5 | 1000uF/25V | C18 | 1 | C12.5 |
( N- d! T# ~4 E; f! b$ K | C22 | 1 | 0805-C | Cap Pol1 | C29, C30 | 2 | C5x | V+ | CON2 | 1 | VH-2A | 103 | CY1 | 1 | CY-8.0 | UF4007 | D1, D9 | 2 | D-1N4007 | 1N4007 | D4 | 1 | 1206-D | 1N4148 | D5, D7, D12, D13 | 4 | 1206-D | 1N4148 | D6, D11 | 2 | DO-214AC | ) S" N7 E8 o+ F
| D10 | 1 | D-18 | Comment | DZ1, DZ2, DZ3 | 3 | 1206-DZ1 | 27V/0.5W | DZ4 | 1 | 1206-DZ1 | F2A/250V | F1 | 1 | FUSE |
8 [( _1 r% R" x1 N6 v" b | FX, FX_1, FX_1_1, FX_2 | 4 | FX | 7 }8 J) O# C( U3 t1 P9 I9 z6 z
| L1 | 1 | UU9.8 | 25μH | L2, L3 | 2 | L-8 |
, m+ i3 @8 U$ @2 d' E | L4 | 1 | L-14*8.5 | 1.5mH | L5 | 1 | L-16.5*8.5 | MPSA44 | Q1, Q4 | 2 | TO-92 | 2N5551 | Q2 | 1 | SOT-23-B | 2N5401 | Q3 | 1 | SOT-23-B |
. X+ S! {) o: o) W9 _- I | Q5 | 1 | TO-22OF |
9 |/ _# r4 y7 T+ c6 @ | R1, R29, R48, R50 | 4 | 1206-RD | Res2 | R2, R5, R6, R7, R8, R9, R14, R18, R19, R20, R21, R22, R25, R26, R27, R35, R37, R39, R40, R41, R42, R43, R44, R45, R46, R47 | 26 | 0805-R | Res2 | R3, R13, R15, R23, R24, R31, R32, R33, R34, R36 | 10 | 1206-RD | Res2 | R4 | 1 | R-1W - V | 30K | R10 | 1 | 0805-R | 4.7k | R12 | 1 | 0805-R | 10K | R16 | 1 | 0805-R | Res2 | R17, R28 | 2 | R-1W-4.3 | * f% t" ~& ~' { E* }9 [5 f2 g
| R30, R38 | 2 | R-1W - H |
. @# l3 u4 f# H* g- r5 x( Y0 w% O | SRP1 | 1 | SRP | 3 ^, m; _2 k4 A- j% s9 b8 p+ N3 @
| T1 | 1 | TT-EE25-B | 10D471 | TVR1 | 1 | RV14D | UCC28051 | U1 | 1 | SOP-8 | PC817 | U2 | 1 | DIP-4 |
1 V) V- x- M5 v2 R/ }' |3 H9 i | U2B54 | 1 | TO-220T | 3 P# T7 e" ~; q8 e4 ]6 _3 f2 @+ l
| U3 | 1 | SO-8 | 78L05 | U4 | 1 | TO-92 | ! J8 r% C7 T: a
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