Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2129
100
90
I =10mA
OUT
I =300mA
80
OUT
ripple=1Vpp, C =1µF, V =3.3V
OUT
OUT
70
60
50
40
30
20
10
0
100
1000
10000
100000
Frequency (Hz)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
V =0.8V
OUT
No heatsink
0
20
40
60
80
Case Temperature(oC)
100 120
Figure 20. PSRR vs. Frequency
Figure 21. Power Dissipation vs. Case Temperature
Oct. 2009 Rev. 1.1
BCD Semiconductor Manufacturing Limited
12