Preliminary Datasheet
2A CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2132B
400
360
320
AP2132B-1.2V
V
CTRL
=V
EN
=5V
320
280
240
200
160
120
80
40
0
AP2132B-1.2V
V
OUT
=1.2V
V
IN
=2.2V
V
CTRL
=V
EN
=5V
Ouput Short to GND
Dropout Voltage (mV)
280
240
200
160
120
80
40
0
-25
0
25
o
I
OUT
=30mA
I
OUT
=500mA
I
OUT
=1A
I
OUT
=2A
Short Current (mA)
50
75
-30
-15
0
15
30
45
60
o
75
90
105
120
Case Temperature ( C)
Case Temperature ( C)
Figure 12. Dropout Voltage vs. Case Temperature
Figure 13. Short Current vs. Case Temperature
100
90
80
70
AP2132B-1.2V
V
OUT
=1.2V
C
IN
=10
µ
F, C
OUT
=10
µ
F, C
CTRL
=1
µ
F
V
CTRL
=V
EN
=5V, V
IN
=2.2V to 3.2V, I
OUT
=10mA
PSRR (dB)
60
50
40
30
20
10
0
10
100
1k
10k
100k
Frequency (Hz)
Figure 14. PSRR vs. Frequency
Figure 15. V
IN
Start up Waveform
(V
CTRL
=V
EN
=5V, V
IN
=0 to 2.2V, No Load)
Oct. 2010 Rev. 1. 0
9
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
