Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2125
400
360
I =10mA
OUT
I =100mA
320
OUT
I =200mA
OUT
280
I =300mA
OUT
240
AP2125-1.8
V =2.8V
IN
200
160
120
80
40
0
-25
0
25
50
75
Case Temperature (oC)
Figure 8. Dropout Voltage vs. Case Temperature
400
360
I =10mA
OUT
320
I =100mA
OUT
I =200mA
OUT
280
I =300mA
OUT
240
AP2125-3.3
V =4.3V
IN
200
160
120
80
40
0
-25
0
25
50
75
Case Temperature (oC)
Figure 9. Dropout Voltage vs. Case Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
AP2125-1.8
T =25oC
C
V =2.8V
IN
V =6V
IN
50 100 150 200 250 300 350 400 450 500
Output Current (mA)
Figure 10. Current Limit
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
AP2125-3.3
T =25oC
C
V =4.3V
IN
V =6V
IN
50 100 150 200 250 300 350 400 450 500
Output Current (mA)
Figure 11. Current Limit
May. 2010 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
14