Figure 9. output voltage vs. input voltage, Figure 10. output voltage vs. input voltage – Diodes AP2121 User Manual
Page 19

19
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2121
Data Sheet
Typical Performance Characteristics (Continued)
Figure 9. Output Voltage vs. Input Voltage
0
1
2
3
4
5
6
7
2.00
2.25
2.50
2.75
3.00
3.25
3.50
O
u
tput Voltage
(V
)
Input Voltage (V)
AP2121-3.0
I
OUT
=30mA
Figure 10. Output Voltage vs. Input Voltage
0
1
2
3
4
5
6
7
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Out
put Voltage
(V
)
Input Voltage (V)
AP2121-1.2
I
OUT
=30mA
Figure 8. Output Voltage vs. Output Current
Figure 11. Dropout Voltage vs. Output Current
0
40
80
120
160
200
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Minimum Operating Requirement
Dropout Vol
tage
(V)
Output Current (mA)
AP2121-1.2
0
50
100
150
200
250
300
350
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
O
u
tput Voltage
(V
)
Output Current (mA)
AP2121-3.0
V
IN
=3.3V
V
IN
=4V
V
IN
=6V
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