Data Sheet
2A CMOS LDO Regulator
AP2132
Typical Performance Characteristics (Continued)
400
AP2132-1.2V
VOUT=1.2V
320
280
240
200
160
120
80
360
320
280
240
200
160
120
80
AP2132-1.2V
VCTRL=VEN=5V
VIN=2.2V
VCTRL=VEN=5V
Ouput Short to GND
IOUT=30mA
IOUT=500mA
IOUT=1A
IOUT=2A
40
40
0
0
-30
-15
0
15
30
45
60
75
90
105
120
-25
0
25
50
75
Case Temperature (oC)
Case Temperature (oC)
Figure 12. Dropout Voltage vs. Case Temperature
Figure 13. Short Current vs. Case Temperature
100
AP2132-1.2V
VOUT=1.2V
90
CIN=10µF, COUT=10µF, CCTRL=1µF,
80
70
60
50
40
30
20
10
0
VCTRL=VEN=5V,VIN=2.2V to 3.2V, IOUT=10mA
10
100
1k
10k
100k
Frequency (Hz)
Figure 14. PSRR vs. Frequency
Figure 15. VIN Start up Waveform
(VCTRL=VEN=5V, VIN=0 to 2.2V, No Load)
Oct. 2010 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
9
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
