Datasheet

L4976 Typical charcteristics
11/17
Figure 20. Power dissipation vs. V
CC
Figure 21. Load transient
Figure 22. Line transient Figure 23. Open loop frequency and
phase of error amplifier
0 1020304050V
CC
(V)
0
200
400
600
800
Pdiss
(mW)
D97IN743
I
O
=1.5A
V
O
=5.1V
fsw=100KHz
I
O
=1A
I
O
=0.5A
2
1
D97IN786
V
CC
(V)
30
20
10
V
O
(mV)
100
0
-100
1ms/DIV
I
O
= 1A
f
sw
= 100KHz
10 10
3
10
5
10
7
f
(
Hz
)
10
2
10
4
10
6
10
8
-200
-150
-100
-50
GAIN
(dB)
0
50
Phase
0
45
90
135
D97IN787
GAIN
Phase