Datasheet

0
10
20
30
40
50
100
RIPPLE REJECTION (dB)
10 100 1k 10k 100k
FREQUENCY (Hz)
60
70
80
90
1M
I
L
= 800 mA
0
10
20
30
40
50
100
RIPPLE REJECTION (dB)
10 100 1k 10k 100k
FREQUENCY (Hz)
60
70
80
90
1M
1.0 1.5 2.0 2.5 3.0 3.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V
IN
(V)
V
OUT
(V)
I
L
= 400 mA
I
L
= 800 mA
I
L
= 100 mA
T
J
= -40°C
LP3878-ADJ
SNVS311B –MAY 2005–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified: V
IN
= 3.3V, V
OUT
= 1V, I
L
= 1 mA, C
IN
= 4.7 µF, C
OUT
= 10 µF, V
S/D
= 2V, C
BYP
= 10 nF, T
J
= 25°C.
Minimum V
IN
vs V
OUT
Ripple Rejection
Figure 9. Figure 10.
Ripple Rejection Output Noise Spectral Density
Figure 11. Figure 12.
Output Noise Spectral Density Line Transient Response
Figure 13. Figure 14.
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