Datasheet

Typical performance characteristics LD39100XX, LD39100XX12, LD39100XX25
14/23 Doc ID 15676 Rev 3
Figure 28. Startup transient Figure 29. Enable transient
V
EN
= V
IN
= from 0.8 V, V
OUT
=0.8 V, I
OUT
= 100 mA
V
EN
= 0 to 2 V, V
OUT
=0.8 V, V
IN
= 3.5 V, I
OUT
= 100 mA,
t
R
= 5 µs
Figure 30. ESR required for stability with
ceramic capacitors (V
OUT
= 0.8 V)
Figure 31. ESR required for stability with
ceramic capacitors (V
OUT
= 2.5 V)
V
IN
= V
EN
= from 1.5 V to 5.5 V, V
OUT
= 0.8 V, I
OUT
= from 1
mA to 1 A
V
IN
= V
EN
= from 3.5 V to 5.5 V, V
OUT
= 2.5 V, I
OUT
= from1
mA to 1 A
V
IN
V
OUT
V
IN
V
OUT
V
EN
V
OUT
V
EN
V
OUT
0
0.05
0.1
0.15
0.2
0.25
1 2 3 4 5 6 7 8 9 10111213141516171819202122
C
OUT
[µF] (nominal value)
ESR @ 100 kHz [ohm]
STABLE ZONE
UNSTABLE ZONE
0
0.05
0.1
0.15
0.2
0.25
12345678910111213141516171819202122
C
OUT
[µF] (nominal value)
ESR @ 100kHz [
Ω
]
0
0.05
0.1
0.15
0.2
0.25
12345678910111213141516171819202122
C
OUT
[µF] (nominal value)
ESR @ 100kHz [
Ω
]
STABLE ZONE
UNSTABLE ZONE