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UCC28051+PC817+78L05+12V1.5A开关电源+原理图+PCB作品文件分享。- E8 g6 i/ L0 K: a4 {& l
用AD画的2层板，( [0 _5 x8 T- K% E5 o5 y: D$ U4 R
12V1.5A开关电源，8 J1 i3 n5 B+ v* o6 p" V4 V2 F
板子很简单，
! v5 A9 { `0 x8 o0 F有需要的可以看看。8 J% t. f% i/ O) }4 e; a9 |: J
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层数：2层
! S- E3 Q$ b2 B( W; N6 Z用途：开关电源# Q2 I7 F* b- C1 G
pcb作品截图如下：
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附件：
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Comment | Designator | Quantity | Footprint |
: X) W, k( H7 W& v N | BR1 | 1 | BR-1 | Cap | C1, C5 | 2 | CX10-H |
$ h+ V" w$ k+ { i" T/ K% x* O | 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 |
! P& d1 K, B1 [6 P1 \( _# L( s | 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 | 8 f; T1 ]7 s1 @2 B" U6 D; w
| D10 | 1 | D-18 | Comment | DZ1, DZ2, DZ3 | 3 | 1206-DZ1 | 27V/0.5W | DZ4 | 1 | 1206-DZ1 | F2A/250V | F1 | 1 | FUSE | ( _; G" r; j2 C+ B, `* w8 u5 A
| FX, FX_1, FX_1_1, FX_2 | 4 | FX |
+ O' |9 B1 S/ x o) @; D) N | L1 | 1 | UU9.8 | 25μH | L2, L3 | 2 | L-8 | $ \9 r) o/ o9 Z3 w9 H B# c' i6 F
| 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 | . s9 x9 x2 E: u
| Q5 | 1 | TO-22OF | 6 ~: T! x# O+ T: R/ e$ ]
| 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 | 3 e, R y4 _8 V! T
| R30, R38 | 2 | R-1W - H | 8 D8 V! `. U- W2 E, x8 P
| SRP1 | 1 | SRP |
/ D& h) l$ ]( N" {' b | T1 | 1 | TT-EE25-B | 10D471 | TVR1 | 1 | RV14D | UCC28051 | U1 | 1 | SOP-8 | PC817 | U2 | 1 | DIP-4 | , M% `8 O( V/ l6 Z
| U2B54 | 1 | TO-220T | 6 u, I: E& m, ]$ U' P
| U3 | 1 | SO-8 | 78L05 | U4 | 1 | TO-92 |
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发表于 2019-10-11 14:15
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支持！
反对！