U2350B-FP
| Model | U2350B-FP |
| Description | PWM Speed Control for Permanent Excited DC Motors |
| PDF file | Total 9 pages (File size: 121K) |
| Chip Manufacturer | TEMIC |
U2350B-FP
Parameters
Oscillator frequency
Test Conditions / Pins
C
4
= C
osc
= 220 nF,
see figure 2
Pin 7
R
11
= R
osc
= 120 k
W
V
T100
< V
4
≤
V
T80
Pin 1
V
5
= V
16
Pin 14
interval operation
Pin 14
Symbol
f
osc
Min.
Typ.
1.1
Max.
Unit
Hz
Blink frequency
Switching frequency
Pulse ratio switch
f
blink
f
s
t
p
/T
0.2
2.2
1.1
0.23
0.26
Hz
Hz
–
14
C
4
=100nF
12
10
f
osc
( Hz )
P
v
( W )
8
6
4
2
0
0
95 10299
10
Oscillator Frequency
f
osc
= f
blink
/ 2 = t
s
Mains Supply
Rectified Voltage at C
6
8
6
220nF
330nF
470nF
4
2
680nF
40
80
R
11
( k
W
)
120
160
200
95 10301
0
0
20
40
R
1
( k
W
)
60
80
100
Figure 5.
100
Mains Supply
Rectified Voltage
V
M
=230V–15%
Figure 7.
80
R
1max
( k
W
)
60
40
20
0
0
2
4
6
8
10
12
14
95 10300
I
tot
( mA )
Figure 6.
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
7 (9)
