资料介绍
升压电路原理图1
2
3
4
A out+
L1 70uH
12V 12V+
A
T1 MBR2045
D6 1N4148 R27 10/0.5W
T2
D3 1N4148
MAX6008 Q1 14 16 13 12 11 15 10 E2 TL494 GND C1 B 7 9 8 E1
+V2
-V2
OC
R1 10K
S8550
COMP VREF
VCC CT 5
U2 DTC RT 6
+V1
B
1
2
-V1
3
R24 R28 C6 4K7 LED 绿 C7 R2 R11 4K7 5K1 com GND 1000U25V 1000U25V C2 C3 R26 4K7 106 R29 C9 10K 102 20K 106 gnd R30 C8 1M 104
C
4
C2
C
12V
5V R31 R51 R32 R51 R33 R51 C10 5 R34 104 30K 8 7 6 MC34063 U3 IDC ISWC IPK ISWE
R36 R37 510 1K 1 R38 2 3 D5 4 C11 1N5819 331 GND C12 1K L2 T4 J1 47UF/16V B772 200UH 4 3 2 1 CON4
VCC TCAP COMP GND R35 10K
R13 47K
D
D
Title Size A4 Date: File: 1 2 Number
90W升压器电路原理图
Revision Sheet of Drawn By: 4 2012/7/1 C:\Users\..\10A.Sch 3
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