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0.01
0.1
1
10
100 1 k 10 k 100 k
f − Frequency − Hz
V
IN2
= 2.8 V
V
OUT2
= 1.8 V
I
O
= 250 mA
V HzOutput Spectral Noise Density − µ
0.01
0.1
1
10
100 1 k 10 k 100 k
f − Frequency − Hz
V
IN2
= 2.8 V
V
OUT2
= 1.8 V
I
O
= 10 mA
V HzOutput Spectral Noise Density − µ
C
O
=33 mF
I
O
=500mA
V
O
=3.3 V
T
A
=25 C°
10 100 1k 10 k
-OutputImpedance
-
10
f-Frequency-Hz
100
100 k
1M 10 M
1
0.1
0.01
Z
O
W
C
O
=33 mF
I
O
=10mA
V
O
=3.3 V
T
A
=25 C°
10 100 1k 10 k
-OutputImpedance-
10
f-Frequency-Hz
100
100 k 1M 10 M
1
0.1
0.01
Z
O
W
TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
OUTPUT SPECTRAL NOISE DENSITY OUTPUT SPECTRAL NOISE DENSITY
vs vs
FREQUENCY FREQUENCY
Figure 15. Figure 16.
OUTPUT IMPEDANCE OUTPUT IMPEDANCE
vs vs
FREQUENCY FREQUENCY
Figure 17. Figure 18.
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