Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Typical Performance Characteristics (Continued)
80
AP2115_3.3V
70
60
50
40
30
20
10
0
100
T =25oC
A
C =1µF
IN
COUT=4.7µF
Ripple=1Vp-p
IOUT
500mA/div
0A
VOUTAC
50mV/div
IOUT=10mA
I =100mA
OUT
1k
10k
100k
Frequency (Hz)
Figure 24. PSRR vs. Frequency
1A
CIN=4.7µF
COUT=4.7µF
Figure 25. Load Transient
Jul. 2011 Rev 1. 1
BCD Semiconductor Manufacturing Limited
15