Diodes AP2115 - Manual (Page 14)

Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Jul. 2011 Rev 1. 1 BCD Semiconductor Manufacturing Limited
14
Typical Performance Characteristics (Continued)
Figure 20. Dropout Voltage vs. Output Current Figure 21. Output Short Current vs. Temperature
Figure 22. Output Short Current vs. Temperature Figure 23. PSRR vs. Frequency
-40 -20 0 20 40 60 80
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
V
IN
=2.5V
Outpu
t
Sh
ort C
u
rre
nt (A)
Temperature ( o C)
AP2115_1.2V
-40 -20 0 20 40 60 80
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
V
IN
=4.3V
AP2115_3.3V
O
u
tp
ut
Sh
or
t Cu
rr
ent
(
A
)
Temperature ( o C)
100 1k 10k 100k
0
10
20
30
40
50
60
70
80
AP2115_1.2V
T
A
=25 o C
C
IN
=1 µ F
C
OUT
=4.7 µ F
I
OUT
=10mA
PS
RR (dB)
Frequency (Hz)
Ripple=1Vpp
0.0 0.2 0.4 0.6 0.8 1.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
AP2115_3.3V
T
A
=-40 o C
T
A
=25 o C
T
A
=85 o C
Drop
out
Vol
tag
e (V)
Output Current (A)
C
IN
=4.7 µ F
C
OUT
=4.7 µ F