Datasheet

Typical performance characteristics LD39050xx
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5 Typical performance characteristics
Figure 4. V
ADJ
accuracy Figure 5. V
OUT
accuracy
Figure 6. Dropout voltage vs. temperature Figure 7. Dropout voltage vs. temperature
0.75
0.76
0.77
0.78
0.79
0.8
0.81
0.82
0.83
0.84
0.85
-50 -25 0 25 50 75 100 125 150
T [°C]
V
ADJ
[V]
V
IN
= 1.8 V I
OUT
= 10 mA V
EN
= V
IN
0.75
0.76
0.77
0.78
0.79
0.8
0.81
0.82
0.83
0.84
0.85
-50 -25 0 25 50 75 100 125 150
T [°C]
V
ADJ
[V]
V
IN
= 1.8 V I
OUT
= 10 mA V
EN
= V
IN
2.45
2.46
2.47
2.48
2.49
2.5
2.51
2.52
2.53
2.54
2.55
-50 -25 0 25 50 75 100 125 150
T [°C]
V
OUT
[V]
V
IN
= 3.5 V I
OUT
= 10 mA V
EN
= V
IN
2.45
2.46
2.47
2.48
2.49
2.5
2.51
2.52
2.53
2.54
2.55
-50 -25 0 25 50 75 100 125 150
T [°C]
V
OUT
[V]
V
IN
= 3.5 V I
OUT
= 10 mA V
EN
= V
IN
0
50
100
150
200
250
300
350
-50 -25 0 25 50 75 100 125 150
T [°C]
Dropout [mV]
C
IN
= C
OUT
= 1 µF
V
EN
to V
IN
, I
OUT
= 500 mA, V
OUT
@ 1.5 V
0
50
100
150
200
250
300
350
-50 -25 0 25 50 75 100 125 150
T [°C]
Dropout [mV]
C
IN
= C
OUT
= 1 µF
V
EN
to V
IN
, I
OUT
= 500 mA, V
OUT
@ 1.5 V
0
50
100
150
200
250
300
350
-50 -25 0 25 50 75 100 125 150
T [°C]
Dropout [mV]
C
IN
= C
OUT
= 1 µF
V
EN
to V
IN
, I
OUT
= 500 mA, V
OUT
= 2.5 V
0
50
100
150
200
250
300
350
-50 -25 0 25 50 75 100 125 150
T [°C]
Dropout [mV]
C
IN
= C
OUT
= 1 µF
V
EN
to V
IN
, I
OUT
= 500 mA, V
OUT
= 2.5 V
Figure 8. Dropout voltage vs. output current Figure 9. Short-circuit current vs. dropout
voltage
0
0.025
0.05
0.075
0.1
0.125
0.15
0.175
0.2
0.225
0.25
0.275
0.3
0 100 200 300 400 500 600
I
OUT
[mA]
Dropout [V]
V
EN
to V
IN
, C
IN
= C
OUT
= 1 µF
0
0.025
0.05
0.075
0.1
0.125
0.15
0.175
0.2
0.225
0.25
0.275
0.3
0 100 200 300 400 500 600
I
OUT
[mA]
Dropout [V]
V
EN
to V
IN
, C
IN
= C
OUT
= 1 µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0123456
V
DROP
[V]
I
SC
[A]
125 °C
85 °C
55 °C
25 °C
0 °C
-25 °C
-40 °C
V
IN
from 0 to 5.5 V, V
EN
= V
IN
, C
IN
= 1 µF, C
OUT
= 1 µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0123456
V
DROP
[V]
I
SC
[A]
125 °C
85 °C
55 °C
25 °C
0 °C
-25 °C
-40 °C
V
IN
from 0 to 5.5 V, V
EN
= V
IN
, C
IN
= 1 µF, C
OUT
= 1 µF