U2352
| Model | U2352 |
| Description | PWM Power Control for DC Loads |
| PDF file | Total 8 pages (File size: 113K) |
| Chip Manufacturer | TEMIC |
U2352B
1000
R
D
= 20 k
W
V
IN
800
V
OUT
( mV )
R
9
=1M
W
500K
W
100K
W
50K
W
5
600
400
200
0
20K
W
10K
W
S
2
4
95 9673
5K
W
R
9
V
OUT
95 9686
0
200
400
600
V
IN
( mV )
800
1000
Figure 4. Typical circuitry of the current switch S
2
with associated transfer characteristics (S
2
closed)
R
1
R
2
82 k
W
R
5
33 k
W
C
osc
1
680 pF
C
1
4.7
m
F
10 k
W
R
6
47 k
W
R
3
Torque
C
4
4
R
4
1k
W
C
3
10 nF
R
9
95 9674
V
B
D
1
D
1
, T
1
and R
sh
are
load dependent
D
2
8
D
3
M
Load
Speed
68 k
W
R
7
27 k
W
R
8
T
1
2
C
2
470 nF
3
7
R
G
U2352B
6
5
1.5 k
W
R
sh
GND
Figure 5. Speed control with load current monitoring (load current detection via shunt resistor)
6 (8)
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
