Diodes AP2125 - Manual (Page 14)

300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR AP2125
Data Sheet
14
BCD Semiconductor Manufacturing Limited Sep. 2012 Rev. 1. 5
Figure 8. Dropout Voltage vs. Case Temperature
Figure 10. Current Limit
-25 0 25 50 75
0
40
80
120
160
200
240
280
320
360
400
AP2125-1.8
V
IN
=2.8V
I
OUT
=10mA
I
OUT
=100mA
I
OUT
=200mA
I
OUT
=300mA
Drop
ou
t Vol
tag
e (mV)
Case Temperature ( o C)
0 50 100 150 200 250 300 350 400 450 500
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
AP2125-1.8
T
C
=25 o C
Out
pu
t Vol
tage
(V
)
Output Current (mA)
V
IN
=2.8V
V
IN
=6V
Typical Performance Characteristics (Continued)
-25 0 25 50 75
0
40
80
120
160
200
240
280
320
360
400
AP2125-3.3
V
IN
=4.3V
I
OUT
=10mA
I
OUT
=100mA
I
OUT
=200mA
I
OUT
=300mA
Drop
out
V
o
ltag
e
(mV
)
Case Temperature ( o C)
Figure 9. Dropout Voltage vs. Case Temperature
0 50 100 150 200 250 300 350 400 450 500
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
AP2125-3.3
T
C
=25 o C
O
utput Voltage
(V
)
Output Current (mA)
V
IN
=4.3V
V
IN
=6V
Figure 11. Current Limit