Preliminary Datasheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2121
Typical Performance Characteristics (Continued)
0.6
0.5
0.4
0.3
Minimum Operating Requirement
0.2
0.1
AP2121-1.5
0.0
0
40
80
120
160
200
Output Current (mA)
Figure 8. Dropout Voltage vs. Output Current
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
AP2121-3.0
40
80
120
160
200
Output Current (mA)
Figure 9. Dropout Voltage vs. Output Current
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
1.44
1.42
1.40
-25
AP2121-1.5
V =2.5V
IN
I =30mA
OUT
0
25
50
75
100
125
Junction Temperature (oC)
3.10
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
2.90
-25
AP2121-3.0
V =4V
IN
I =30mA
OUT
0
25
50
75
100
125
Junction Temperature (oC)
Figure 10. Output Voltage vs. Junction Temperature
Figure 11. Output Voltage vs. Junction Temperature
Mar. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
14