BA6780 查看數據表（PDF） - ROHM Semiconductor
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BA6780 Datasheet PDF : 14 Pages
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Optical disc ICs
BA6780FP-Y
II2 A
2
Vr2
1
SW-2
F2
R2
A IF2 A IR2
25
24
23
22
21
20
VIN
1/2
GOVERNOR DRIVER
FWD/REV CONTROLLER
THERMAL
SHUT DOWN
VEE
REVERSIBLE DRIVER
FWD/REV CONTROLLER
VIN
IOUT
1
2
3
4
5
6
2
IL1 A
SW-1
1
Vr1
A IF1 A IR1
F1
R1
BA6780 / BA6780FP-Y
VIN
10µF
2
3
1
SW-3
2
3
1
0.6Ω
V
VO2
19
18
17
16
15
9Ω
2
SW-5
1
14
VEE
VEE
10k
10k
DRIVE BUFFER
10k
10k
10k
10k
10k 3.2k
10k
Vref
Vref
10k 10k
Vref
10k
Vref
Vref
VCC
VEE
40k 40k
20k
VEE
Vref
7
17.1k
VCC
VEE
Vconst
8
9
10
DRIVE BUFFER
11
12
13
Ireg
Vreg V
A IQ
VCC
Fig.2
V
VO1
1
2
SW-4
IL1
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