Datasheet

Typical performance characteristics LDK120
12/25 DocID023965 Rev 3
Figure 23. Output noise vs. frequency
(V
O
= V
ADJ
)
Figure 24. Stability region vs. C
OUT
(fixed)
V
IN
= V
EN
= 4 to 5.5 V, I
OUT
= 10 mA to 0.2 A, C
IN
= 1 µF,
T
A
= 25 °C
AM16214v1
V
IN
= 1.8 V, I
OUT
= 10 mA
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1000 10000 100000
eN [µV/Sqrt (Hz)]
Frequency [Hz]
AM16215v1
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
ESR @ 100 kHz [Ω]
C
OUT
[µF] (nominal value)
Stability area
Figure 25. Stability region vs C
OUT
(adjust.) Figure 26. Line transient (V
OUT
= V
ADJ
)
V
IN
= V
EN
= 1.9 to 5.5 V, I
OUT
= 10 mA to 0.2 A, C
IN
= 1 µF,
T
A
= 25 °C
V
OUT
= V
ADJ,
V
IN
= 3.5 V to 4 V, V
EN
= 2 V, I
OUT
= 1 mA, NO
C
IN
, C
OUT
= 1 µF, t
r
= t
f
= 5 µs
Figure 27. Line transient (V
OUT
= 3 V) Figure 28. Load transient (V
OUT
= 3 V)
V
OUT
= 3 V, V
IN
= 4 V to 4.5 V, V
EN
= 2 V, I
OUT
= 1 mA, NO
C
IN
, C
OUT
= 1 µF, t
r
= t
f
= 5 µs
V
OUT
= 3 V, V
IN
= V
EN
= 3.5 V, I
OUT
= 1 mA to 200 mA, C
OUT
= 1 µF, t
r
= t
f
= 5 µs
AM16216v1
ESR @ 100 kHz [Ω]
C
OUT
[µF] (nominal value)
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Stability area