Data Sheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2122
Typical Performance Characteristics (Continued)
7
6
5.5
4.5
3.5
2.5
AP2122-3.0
AP2122-1.5
5
4
0.05
0
0.05
0
-0.05
-0.1
-0.05
-0.1
Time (20µs/Div)
Time (40µs/Div)
Figure 17. Line Transient
(Conditions: IOUT=30mA, CIN=1µF, COUT=1µF)
Figure 16. Line Transient
(Conditions: IOUT=30mA, CIN=1µF, COUT=1µF)
3.2
1.7
AP2122-3.0
AP2122-1.5
1.6
1.5
3.1
3.0
2.9
1.4
200
100
100
50
0
0
-50
-100
Time (200µs/Div)
Time (200µs/Div)
Figure 19. Load Transient
Figure 18. Load Transient
(Conditions: VIN=4V, CIN=1µF, COUT=1µF)
(Conditions: VIN=2.5V, CIN=1µF, COUT=1µF)
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
16
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
