21
BCD Semiconductor Manufacturing Limited
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120
Data Sheet
Mar. 2013 Rev. 1. 4
Typical Performance Characteristics (Continued)
Figure 13. PSRR vs. Frequency
Figure 12. Line Transient
Figure 14. Start-up
V
OUT
(50mV/Div)
V
IN
( 1 V / D i v )
0
50
-50
2
1
0
(Condition:V
IN
=2.5V to 3.5,I
OUT
=10mA)
V
IN
(0.5V/Div)
0.5
0
1.0
1.5
2.0
2.5
3.0
3.5
0.5
0
1.0
1.5
2.0
2.5
V
OUT
(0.5V/Div)
AP2120-2.5
Input Voltage
Output Voltage
AP2120-2.5
I
OUT
=150mA
I
OUT
=10mA
AP2120-2.5
3.0
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