Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2125
Typical Performance Characteristics (Continued)
3.6
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
AP2125-3.3
VIN=4.3V
AP2125-1.8
VIN=2.8V
TC=-40oC
TC=25oC
TC=85oC
TC=-40oC
TC=25oC
TC=85oC
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 13. Current Limit
Figure 12. Current Limit
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
1mA
100mA
300mA
1mA
100mA
300mA
AP2125-3.3
TC=25oC
AP2125-1.8
TC=25oC
0.0 0.5
1.0 1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0.0
0.5
1.0
1.5
2.0 2.5
3.0 3.5 4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Input Voltage (V)
Figure 14. Output Voltage vs. Input Voltage
Figure 15. Output Voltage vs. Input Voltage
May. 2010 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
15
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
