12V至正负20V的转换器电路设计

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