FAN8434 查看數據表（PDF） - Fairchild Semiconductor
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FAN8434 Datasheet PDF : 22 Pages
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FAN8434
Test Circuits
VCC1 VCC1
D_VM
8
D_VM
8
D_VM
8
8
D_VM
8
D_VM
8
L_VM
C
8
L_VM
A AA A A
V
AA
AA
AV
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
D_FGIN1
A 49 HU-
D_FGIN 32 A
A 50 HU+
VREF 31 V
51 C_WOUT
52 C_RS
53 C_VOUT
D_PGIN 30
1uF
D_PGC 29
1M
D_PGOUT 28 V
A 54 C_STBY
GND 27
55 C_UOUT
D_WIN 26 V
56 D_WOUT
57 D_RS
58 D_VOUT
59 D_UOUT
A 60 D_VM
61 L_OUT2
62 L_RS
63 L_OUT1
FAN8434
D_VIN 25 V
D_UIN 24 V
D_COM 23
A
C
VCC1 22 A
FC2 21
33nF
FILTER 20
0.1uF
FC1 19
0.1uF
V
100K
OSC 18
A 64 L_ILIM
D_FR 17 A
0.1uF
OPIN3-
OPOUT4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
V
A AA
A
50 1.5V
V
1M
V
V
1M 50
1.5V 1.5V
VV
VV
V
V
V
V
1M 50 50
50 50 1M
1.5V 1.5V 1.5V 1.5V 1.5V 1.5V
50K
22nF
0.6V
50K
22nF
0.6V
EW
10KΩ
10KΩ
40KΩ
f = 210Hz
33nF
EV
1
2
3
4
EU
12V
8
10KΩ
7
10KΩ
6
40KΩ
5
33nF
18
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