Typical characteristics
L4973
7
Typical characteristics
Figure 9.
Quiescent drain current vs.
input voltage (0% duty cycle)
D97IN633A
200KHz-R2=22K
C7=1.2nF
Tamb=25˚C
0% DC
Figure 10. Quiescent drain current vs.
junction temperature
Ibias
(mA)
D97IN634
200KHz-R2=22K
C7=1.2nF
Ibias
(mA)
5.0
4.5
4.0
4.0
100KHz-R2=20K
C7=2.7nF
100KHz-R2=20K
C7=2.7nF
3.5
3.5
0Hz
0% DC
V
CC
= 35V
3.0
2.5
2.0
0
10
20
30
40
50 V
CC
(V)
3.0
0Hz
2.5
-50
0
50
100
Tj(˚C)
Figure 11. Stand by drain current vs.
input voltage
Ibias
(µA)
V
inh
= 5V
Figure 12. Reference voltage vs. junction
temperature (pin 16)
V
REF
(V)
Pin 16
D97IN635A
D97IN637
150
25˚C
5.15
Vcc=35V
5.1
100
125˚C
5.05
50
5.0
-40 -20
0
10
20
30
40
50 V
CC
(V)
0
20
40
60
80 100 Tj(˚C)
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