Справочник Пользователя для Fujitsu MB3788
MB3788
18
■
■
■
■
APPLICATION CIRCUIT
+15 V
+24 V
DC motor 1
DC motor 2
24
150
Ω
23
20
21
22
1000 pF
Channel 1
(dB)
<Logic power supply>
(b)
22
µ
H
3 V
10
µ
F
Ca2
Cb2
OUT2
VE2
150
Ω
1000 pF
<Logic power supply>
+
(a)
22
µ
H
5 V
10
µ
F
Ca1
V
CC
(out)
OUT1
VE1
2
3
5
1
4
Cb1
(15 mA)
Channel 2
(deg)
10
µ
H
+
-
33
µ
F
+
-
33
µ
F
V
CC
11
6
9
7
8
-IN1 (E)
FB1
-IN1 (C)
+IN1 (E)
V
CC
14
CTL2
13
CTL1
(a)
4.7 k
Ω
4.7 k
Ω
8.2 k
Ω
2.7 k
Ω
100 k
Ω
19
16
18
17
-IN2 (E)
FB2
-IN2 (C)
+IN2 (E)
(b)
4.7 k
Ω
4.7 k
Ω
3.8 k
Ω
2.7 k
Ω
100 k
Ω
15
10
12
GND
-IN(PWM)
SCP
V
REF
⇑
Triangular wave signal
1.9 V
1.3 V
1.3 V
C
T
<MB3785A-used DC/DC converter>
<Analog power supply>
<Sensor power supply>
<DC motor speed control>
<DC motor speed control>
-
+
-
0.1
µ
F
0.22
µ
F
0.22
µ
F