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07. 布点经验
m6 z7 m7 y. b5 G6 g, e" ]2 e我是做开关电源的,所以就讲一下开关电源的一点经验:
) L v+ M# n! \! g. S1 [" @9 N( p布点总的原则是:觉得那里发热严重,就布那里,还有一些关键元件等,5 v, r1 V0 m$ Y d* ~0 J. N2 I j
举例如下:
# A. y& C5 O, E# _3 H. m8 {1.Transformer coil* R9 \) ?1 R0 Z4 b5 `5 V# V8 K/ P
2.Transformer core
% `1 I* E, [' g4 X! v! N7 _ d3.电源滤波的电解电容: n1 @: P$ j( z' t- G
4.X电容
! q' X5 b, h" d' B5.Y电容% H/ F0 P9 d2 g6 y9 w
6.Optocouple8 ]: B" |7 K* x* B
7.pcb near 开关管
1 G! A( {1 }; r: | x) s0 z8.pcb under transformer' u" M, u @' _) U7 u( _
9.共模电感
0 I0 b6 O4 R+ @* O3 x @% B/ I( n10.Input wire4 S: l3 G/ V) r# E
11.Output cable4 u0 y: Z1 P$ V& }
12.Enclosure inside near transformer* t+ F) t, B$ s; N9 i. |. G
13.Enclosure outside near transformer
4 e k: _2 H$ J; g) c. j3 G14.Enclosure inside between blades |
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