Typical performance characteristics (continued) – Diodes AZ2940 User Manual
Page 14

1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
14
Sept. 2011 Rev. 2. 4
BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 17. Load Transient
I
OUT
(
0
.5
A/
Div)
∆
V
OU
T
(
0
.2
V/
Div)
C
OUT
=10
µF
AZ2940-5.0
0
200
400
600
800
1000
0.01
0.1
1
10
100
Stable Range
O
u
tput
Ca
pacit
o
r ES
R (
Ω
)
Output Current (mA)
C
OUT
=10
µ
F
V
OUT
=5V
T
A
=25
O
C
Unstable Range
Figure 18. Load Transient
Figure 19. Line Transient
I
OU
T
(
0
.5
A
/Div)
∆
V
OU
T
(0
.2V/Div)
I
OUT
=10mA
C
OUT
=47
µF
AZ2940-5.0
AZ2940-5.0
Figure 16. Output Capacitor ESR vs. Output Current
Time (200
µs/Div)
0
-0.2
-0.5
0
0.4
0.2
Time (200
µs/Div)
∆
V
IN
(
0
.5
V/
Div)
∆
V
OU
T
(0
.02
V
/Div
)
Time (200
µs/Div)
0.5
1
0
-0.2
-0.5
0
0.4
0.2
0.5
1
0
-0.5
0.02
0.06
0.04
0.5
1
0
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