Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2129
VIN
VOUT
VOUT
VShutdown
Figure 16. Line Transient
(Conditions: IOUT=30mA, CIN=COUT=1µF,
VIN=4 to 5V, VOUT=3.3V)
Figure 17. Soft Start Time
(Conditions: IOUT=0mA, CIN=COUT=1µF,
VShutdown=0 to 2V, VOUT=3.3V)
VOUT
VShutdown
Figure 18. Soft Start Time
(Conditions: IOUT=0mA, CIN=COUT=1µF,
VShutdown=0 to 2V, VOUT=0.8V)
100
I =10mA
90
OUT
I =300mA
OUT
80
ripple=1Vpp, C =1µF, V =0.8V
OUT
OUT
70
60
50
40
30
20
10
0
100
1000
10000
100000
Frequency (Hz)
Figure 19. PSSR vs. Frequency
Oct. 2009 Rev. 1.1
BCD Semiconductor Manufacturing Limited
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