Preliminary Datasheet
600mA CMOS LDO REGULATOR WITH ENABLE AP2112
Typical Performance Characteristics (Continued)
70
VIN=2.5V, CIN=1µF, COUT=1µF
65
60
55
50
45
40
35
30
CH1: VOUT
10mV/div
IOUT=10mA
IOUT=100mA
IOUT=300mA
600mA
0mA
V
OUT=1.2V
VIN=2.5V
CH2: IOUT
200mA/div
Ripple=0.5V
100
1k
10k
100k
20
Frequency (Hz)
Figure 16. PSRR vs. Frequency
Figure 17. Load Transient
VIN
(2V/div)
VIN
(2V/div)
VEN
(2V/div)
VEN
(2V/div)
VOUT
(2V/div)
VOUT
(2V/div)
20µs/div
200µs/div
Figure 18. Enable On
Figure 19. Enable Off
Aug. 2010 Rev 1. 0
BCD Semiconductor Manufacturing Limited
14