AP2128K-4.2TRG1 View Datasheet(PDF) - BCD Semiconductor
Part Name
Description
MFG CO.
'AP2128K-4.2TRG1' PDF : 21 Pages View PDF
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Typical Performance Characteristics (Continued)
AP2128
VOUT
VShutdown
Figure 36. 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 37. PSSR vs. Frequency
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)
Figure 38. PSRR vs. Frequency
70
60
50
40
30
I =10mA
20
OUT
IOUT=300mA
V =5.2V, C =1µF, ripple=0.5Vpp
OUT
OUT
10
100
1k
10k
100k
Frequency (Hz)
Figure 39. PSRR vs. Frequency
Oct. 2009 Rev. 1.8
BCD Semiconductor Manufacturing Limited
18
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