Datasheet

L4973 Typical characteristics
15/28
Figure 17. Load regulation (see
Figure 7)
Figure 18. Line regulation (see Figure 8)
Figure 19. Load regulation (see
Figure 4)
Figure 20. Switching frequency vs.
R2 and C7 (Figure 4)
0123I
O
(A)
5.0
5.05
5.1
5.15
V
O
(V)
D97IN640
Tj=25˚C
Tj=125˚C
V
CC
= 35V
0 1020304050V
CC
(V)
3.3
3.31
3.32
3.34
V
O
(V)
3.33
3.35
D97IN660A
Tj=25˚C
Tj=125˚C
I
O
= 1A
0123I
O
(A)
3.3
3.31
3.33
3.35
V
O
(V)
3.32
3.34
D97IN661
Tj=25˚C
Tj=125˚C
V
CC
= 35V
0 20 40 60 80 R2(K Ω )
5
10
20
50
100
200
500
fsw
(KHz)
D97IN630
0.82nF
1.2nF
2.2nF
3.3nF
4.7nF
5.6nF
Tamb=25˚C