LD39030SJXX12 STMicroelectronics, LD39030SJXX12 Datasheet - Page 12

• Manufacturer Part Number: LD39030SJXX12
• Description: 300 mA low quiescent current soft-start, low noise voltage regulator
• Manufacturer: STMicroelectronics

Specifications of LD39030SJXX12

• Output Voltage Tolerance: ± 2.0 % @ 25 °C
• Wide Range Of Output Voltages Available On Request: 0.8 V to 4.5 V with 100 mV step
• Temperature Range: -40 °C to 125 °C

Typical performance characteristics
12/18
Figure 17. Line transient
V
Figure 19. Enable transient
V
Figure 21. ESR required for stability with
V
IN
IN
IN
2.25
2.25
1.75
1.75
1.25
1.25
0.75
0.75
0.25
0.25
1.5
1.5
0.5
0.5
V
V
V
V
from 2.2 V to 2.7 V, V
µF, No C
V
V
= 2.2 V V
µF t
2
2
1
1
0
0
= V
mA, C
V
V
OUT
OUT
IN
IN
OUT
OUT
EN
EN
0
0
EN
RISE
1
1
IN
2
2
= from 2.3 V to 5.5 V, I
= 8 µs
= 1 µF (ceramic)
IN
3
3
EN
, t
4
4
ceramic capacitors
from 0 to 2 V, I
RISE/FALL
UNSTABLE ZONE
UNSTABLE ZONE
5
5
STABLE ZONE
STABLE ZONE
6
6
7
7
EN
8
8
= 5 µs
C
C
OUT
OUT
to V
9
9
[µF] (nominal value)
[µF] (nominal value)
10 11 12 13 14 15 16 17 18 19 20 21 22
10 11 12 13 14 15 16 17 18 19 20 21 22
OUT
IN
OUT
, I
= 1 mA C
OUT
= from 1 mA to 300
= 1 mA, C
IN
= C
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
= 1.2 V
= 1.2 V
Doc ID 18103 Rev 1
= 1.2 V
= 1.2 V
= 1
= 1
Figure 18. Load transient
V
Figure 20. Startup transient
V
IN
IN
I
I
V
V
OUT
OUT
OUT
OUT
= 2.3 V, V
C
from 0 to 5.5 V, V
No C
V
V
V
V
OUT
IN
IN
OUT
OUT
IN
= 1 µF, t
, t
RISE
EN
to V
= 60 µs
RISE/FALL
IN
EN
, I
to V
OUT
= 5 µs
IN
= from 1 to 300 mA, C
, I
OUT
= 1 mA, C
LD39030SJXX12
OUT
V
V
OUT
OUT
V
V
OUT
OUT
= 1 µF,
IN
= 1.2 V
= 1.2 V
= 1.2 V
= 1.2 V
=