U211B2
| Model | U211B2 |
| Description | Phase Control Circuit - General Purpose Feedback |
| PDF file | Total 20 pages (File size: 321K) |
| Chip Manufacturer | TEMIC |
U211B2/ B3
2 (20)
1N4007
D
1
R
1
M
L
18 k
W
2W
R
3
220 k
W
R
4
470 k
W
1
Automatic
retriggering
Output
pulse
180
W
6
7
10
–
3
R
2
1 M
W
R
8
33 m
W
1W
3.3 nF
C
2
2 –V
S
C
1
GND C
11
Reference
voltage
Voltage
monitoring
16
4
R
12
TIC
226
5
V
M
=
230 V ~
17
Voltage / Current
detector
11
+
Control
amplifier
47 k
W
R
13
R
31
100 k
W
Set speed
voltage
R
14
56 k
W
R
19
100 k
W
C
10
2.2
m
F /16V
Phase
control unit
ö
= f (V
12
)
Supply
voltage
limitation
R
10
1 k
W
14
Load limitation
speed / time
controlled
15
2.2
m
F
22
m
F
25 V
N
1 M
W
R
9
C
9
controlled
current sink
Soft start
–V
Ref
12
R
11
2 M
W
C
7
10
m
F /16V
22 k
W
R
7
C
6
100 nF
R
6
100 k
W
C
8
220 nF
C
3
C
5
1 nF
2.2
m
F
16 V
13
9
Figure 2. Speed control, automatic retriggering, load limiting, soft start
Frequency
to voltage
converter
8
220 nF
1 k
W
R
5
C
4
Speed sensor
95 10361
4.7
m
F /16V
Pulse blocking
tacho
18
monitoring
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
Actual speed
voltage
