
Data Sheet
20
Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing Limited
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120
Typical Performance Characteristics (Continued)
Figure 8. Quiescent Current vs. Case Temperature
Figure 10. Dropout Voltage vs. Case Temperature
Figure 9. Dropout Voltage vs. Output Current
Figure 11. Load Transient (I
OUT
=0 to 150mA)
-40-20 0 20406080100120
10
15
20
25
30
35
40
45
50
Quiescent Current (μA)
Case Temperature (
o
C)
AP2120-2.5
V
IN
=3.5V
I
OUT
=0
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16
0
50
100
150
200
250
300
350
400
Dropout Voltage (V)
Output Current (A)
AP2120-2.5
T
C
=-40
o
C
T
C
=25
o
C
T
C
=85
o
C
-40 -20 0 20 40 60 80
0
50
100
150
200
250
300
350
400
450
Dropout Voltage (V)
Case Temperature (
o
C)
AP2120-2.5
I
OUT
=10mA
I
OUT
=80mA
I
OUT
=150mA
V
OUT
(50mV/Div)
I
OUT
(50m A/Div )
0
50
-50
0
50
100
150
-100
AP2120-2.5
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