Datasheet

Typical performance characteristics LD39050xx
12/24
Figure 16. Line regulation Figure 17. Supply voltage rejection vs.
temperature
Figure 18. Supply voltage rejection vs.
temperature
Figure 19. Supply voltage rejection vs.
temperature
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-50 -25 0 25 50 75 100 125 150
T [°C]
Line [%/V]
I
OUT
= 1 mA
I
OUT
= 100 mA
V
IN
= from 3.5 V to 5.5 V V
OUT
= 2.5 V V
EN
= V
IN
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-50 -25 0 25 50 75 100 125 150
T [°C]
Line [%/V]
I
OUT
= 1 mA
I
OUT
= 100 mA
V
IN
= from 3.5 V to 5.5 V V
OUT
= 2.5 V V
EN
= V
IN
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 1.7 V to 1.9 V, V
OUT
= 0.8 V, V
EN
to V
IN
, I
OUT
= 10 mA, freq. = 1 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 1.7 V to 1.9 V, V
OUT
= 0.8 V, V
EN
to V
IN
, I
OUT
= 10 mA, freq. = 1 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 1.7 V to 1.9 V, V
OUT
= 0.8 V, V
EN
to V
IN
, I
OUT
= 100 mA, freq. = 10 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 1.7 V to 1.9 V, V
OUT
= 0.8 V, V
EN
to V
IN
, I
OUT
= 100 mA, freq. = 10 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 2.9 V to 3.1 V, V
OUT
= 2.5 V, V
EN
to V
IN
, I
OUT
= 10 mA, freq. = 1 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 2.9 V to 3.1 V, V
OUT
= 2.5 V, V
EN
to V
IN
, I
OUT
= 10 mA, freq. = 1 kHz
Figure 20. Supply voltage rejection vs.
temperature
Figure 21. Supply voltage rejection vs.
frequency
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 2.9 V to 3.1 V, V
OUT
= 2.5 V, V
EN
to V
IN
, I
OUT
= 100 mA, freq. = 10 kHz
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
T [°C]
SVR [dB]
C
IN
= C
OUT
= 1 µF
V
IN
from 2.9 V to 3.1 V, V
OUT
= 2.5 V, V
EN
to V
IN
, I
OUT
= 100 mA, freq. = 10 kHz
0
10
20
30
40
50
60
70
80
90
100
0 102030405060708090100
Freq [kHz]
SVR [dB]
I
OUT
= 10 mA
I
OUT
= 100 mA
V
IN
from 1.7 V to 1.9 V, V
EN
to V
IN
, V
OUT
= 0.8 V, C
IN
= C
OUT
= 1 µF
0
10
20
30
40
50
60
70
80
90
100
0 102030405060708090100
Freq [kHz]
SVR [dB]
I
OUT
= 10 mA
I
OUT
= 100 mA
V
IN
from 1.7 V to 1.9 V, V
EN
to V
IN
, V
OUT
= 0.8 V, C
IN
= C
OUT
= 1 µF