Datasheet
10
20
30
40
50
60
70
80
90
100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
V
IN
− V
OUT
= 1.0 V
V
IN
− V
OUT
= 0.5 V
V
IN
− V
OUT
= 0.3 V
I
OUT
= 100 mA
C
IN
= 0 F, C
OUT
= 10 µF
C
NR
= C
BYPASS
= 470 nF
G100
10
20
30
40
50
60
70
80
90
100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 750 mA
I
OUT
= 1 A
V
IN
− V
OUT
= 1.0 V
C
IN
= 0 F, C
OUT
= 10 µF
C
NR
= C
BYPASS
= 470 nF
G101
10
20
30
40
50
60
70
80
90
100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 750 mA
I
OUT
= 1 A
V
IN
− V
OUT
= 0.5 V
C
IN
= 0 F, C
OUT
= 10 µF
C
NR
= C
BYPASS
= 470 nF
G102
10
20
30
40
50
60
70
80
90
100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 750 mA
I
OUT
= 1 A
V
IN
− V
OUT
= 1.0 V
C
IN
= 0 F, C
OUT
= 100 µF
C
NR
= C
BYPASS
= 470 nF
G103
10
20
30
40
50
60
70
80
90
100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 750 mA
I
OUT
= 1 A
V
IN
− V
OUT
= 0.5 V
C
IN
= 0 F, C
OUT
= 100 µF
C
NR
= C
BYPASS
= 470 nF
G104
TPS7A8101
www.ti.com
SBVS179A –DECEMBER 2011–REVISED APRIL 2012
TYPICAL CHARACTERISTICS: TPS7A8101 (continued)
At V
OUT(TYP)
= 3.3 V, V
IN
= V
OUT(TYP)
+ 0.5 V or 2.2 V (whichever is greater), I
OUT
= 100 mA, V
EN
= V
IN
, C
IN
= 1 μF,
C
OUT
= 4.7 μF, and C
NR
= 0.01 μF; all temperature values refer to T
J
, unless otherwise noted.
POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
Figure 15. Figure 16.
POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
Figure 17. Figure 18.
POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
Figure 19.
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