Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2125
2.0
1.8
1.6
AP2125-1.8
1.4
V =2.8V
IN
1.2
T =-40oC
C
T =25oC
1.0
C
T =85oC
C
0.8
0.6
0.4
0.2
0.0
0
50 100 150 200 250 300 350 400 450 500
Output Current (mA)
Figure 12. Current Limit
3.6
3.2
2.8 AP2125-3.3
V =4.3V
IN
2.4
T =-40oC
C
2.0
T =25oC
C
T =85oC
1.6
C
1.2
0.8
0.4
0.0
0
50 100 150 200 250 300 350 400 450 500
Output Current (mA)
Figure 13. Current Limit
2.0
1.8
1.6
1mA
1.4
100mA
300mA
1.2
1.0
0.8
0.6
0.4
AP2125-1.8
0.2
T =25oC
C
0.0
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)
Figure 14. Output Voltage vs. Input Voltage
3.6
3.2
2.8
1mA
2.4
100mA
300mA
2.0
1.6
1.2
0.8
AP2125-3.3
0.4
T =25oC
C
0.0
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)
Figure 15. Output Voltage vs. Input Voltage
May. 2010 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
15