Datasheet

80
70
60
50
40
30
20
10
0
PSRR(dB)
0 2.5 4.0
V V (V)-
IN OUT
1.0 1.5 2.00.5 3.0 3.5
1MHz
10kHz
1kHz
100kHz
I =10mA
C =1 F
C =10nF
OUT
OUT
NR
m
80
70
60
50
40
30
20
10
0
PSRR(dB)
0 2.5 4.0
V V (V)-
IN OUT
1.0 1.5 2.00.5 3.0 3.5
1MHz
10kHz
1kHz
100kHz
I =75mA
C =1 F
C =10nF
OUT
OUT
NR
m
80
70
60
50
40
30
20
10
0
PSRR(dB)
0 2.5 4.0
V V (V)-
IN OUT
1.0 1.5 2.00.5 3.0 3.5
1MHz
10kHz
1kHz
100kHz
I =150mA
C =1 F
C =10nF
OUT
OUT
NR
m
16
14
12
10
8
6
4
2
0
OutputNoiseDensity( V/ )m Hz
Ö
100 10k 100k
Frequency(Hz)
1k
I =150mA
OUT
I =10mA
OUT
C =1 F
C =10nF
m
OUT
NR
16
14
12
10
8
6
4
2
0
OutputNoiseDensity( V/ )m Hz
Ö
100 10k 100k
Frequency(Hz)
1k
C =10 Fm
OUT
C =1 Fm
OUT
I =10mA
C =10nF
OUT
NR
30
25
20
15
10
5
0
OutputSpectralNoiseDensity( V/
)
m
Hz
Ö
100 10k 100k
Frequency(Hz)
1k
C =0nF
NR
C =1nF
NR
C =10nF
NR
C =100nF
NR
I =10mA
C =1 F
OUT
OUT
m
TPS717xx
www.ti.com .................................................................................................................................................. SBVS068G – FEBRUARY 2006 – REVISED APRIL 2009
TYPICAL CHARACTERISTICS (continued)
Over operating temperature range (T
J
= – 40 ° C to +125 ° C), V
IN
= V
OUT(TYP)
+ 0.5V or 2.5V, whichever is greater; I
OUT
= 0.5mA,
V
EN
= V
IN
, C
OUT
= 1.0 µ F, C
NR
= 0.01 µ F, unless otherwise noted. For TPS71701, V
OUT
= 2.8V.
Typical values are at T
J
= +25 ° C.
POWER-SUPPLY RIPPLE REJECTION vs POWER-SUPPLY RIPPLE REJECTION vs
(V
IN
– V
OUT
) (V
IN
– V
OUT
)
Figure 21. Figure 22.
POWER-SUPPLY RIPPLE REJECTION vs OUTPUT SPECTRAL NOISE DENSITY vs
(V
IN
– V
OUT
) OUTPUT CURRENT
Figure 23. Figure 24.
OUTPUT SPECTRAL NOISE DENSITY vs OUTPUT SPECTRAL NOISE DENSITY vs
OUTPUT CAPACITANCE NOISE REDUCTION
Figure 25. Figure 26.
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