Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Typical Performance Characteristics (Continued)
0.60
0.10
0.55
AP2115_3.3V
AP2115_1.2V
VIN=2.5V
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
CIN=4.7µF
COUT=4.7µF
TA=-40oC
TA=25oC
TA=85oC
0.0
0.2
0.4
0.6
0.8
1.0
-40
-20
0
20
40
60
80
Output Current (A)
Temperature (oC)
Figure 20. Dropout Voltage vs. Output Current
Figure 21. Output Short Current vs. Temperature
0.10
80
AP2115_1.2V
AP2115_3.3V
VIN=4.3V
70
0.09
60
50
40
0.08
0.07
0.06
0.05
0.04
0.03
TA=25oC
CIN=1µF
COUT=4.7µF
IOUT=10mA
30
20
10
0
Ripple=1Vpp
-40
-20
0
20
40
60
80
100
1k
10k
100k
Frequency (Hz)
Temperature (oC)
Figure 22. Output Short Current vs. Temperature
Figure 23. PSRR vs. Frequency
Jul. 2011 Rev 1. 1
BCD Semiconductor Manufacturing Limited
14
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
