12V至正负20V的转换器电路设计

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汽车12V至正负20V的转换器电路 (音频放大器电源电路)




Bill Of Materials
=================
Design: 12V to 20V 100W DC-DC conv
Doc. no.: 1
Revision: 3
Author: Jonathan Filippi
Created: 29/04/05
Modified: 18/05/05
Parts List
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Resistors
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2   R1,R2 = 10
4   R3,R4,R6,R7 = 1k
1   R5 = 22k
1   R8 = 4.7k
1   R9 = 100k
Capacitors
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2   C1,C2 = 10000uF
2   C3,C6 = 47u
1   C4 = 10u
3   C5,C7,C14 = 100n
2   C8,C9 = 4700u
1   C12 = 1n
1   C13 = 2.2u
Integrated Circuits
-------------------
1   U1 = TL494
1   U2 = TPS2811P
Transistors
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2 Q1,Q2 = FDB045AN
Diodes
------
4   D1-D4 = 1N5822
1   D5 = 1N4148
Miscellaneous
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1   FU1 = 10A
1   L1 = 10u
1   L2 = FERRITE BEAD
1   RV1 = 2.2k
1   RV2 = 24k
1   T1 = TRAN-3P3S