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