TPS717xx
SBVS068D – FEBRUARY 2006 – REVISED OCTOBER 2007
www.ti.com
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
= 1.0µF, C
NR
= 0.01µF, unless otherwise noted. For TPS71701, V
OUT
= 2.8V.
Typical values are at T
J
= +25°C.
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 1V)
80
70
60
150mA
10mA
80
70
60
150mA
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 0.5V)
10mA
75mA
PSRR (dB)
40
75mA
30
20
10
0
10
100
1k
100k
10k
Frequency (Hz)
1M
10M
C
OUT
= 1
m
F
C
NR
= 10nF
PSRR (dB)
50
50
40
30
20
10
0
10
100
1k
100k
10k
Frequency (Hz)
1M
10M
C
OUT
= 1
m
F
C
NR
= 10nF
Figure 15.
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 0.25V)
80
70
60
PSRR (dB)
PSRR (dB)
80
Figure 16.
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 1V)
70
60
10mA
10mA
50
40
75mA
50
40
30
20
150mA
150mA
30
20
10
0
10
100
1k
100k
10k
Frequency (Hz)
1M
10M
C
OUT
= 1
m
F
C
NR
= 10nF
10
0
10
100
1k
100k
10k
Frequency (Hz)
C
OUT
= 10
m
F
C
NR
= 10nF
1M
10M
Figure 17.
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 0.25V)
80
70
60
10mA
80
70
Figure 18.
POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 1V)
10mA
60
50
40
30
20
10
0
10
100
1k
100k
10k
Frequency (Hz)
1M
10M
C
OUT
= 10
m
F
C
NR
= 10nF
150mA
50
40
30
20
10
0
10
100
1k
100k
10k
Frequency (Hz)
1M
10M
C
OUT
= 10
m
F
C
NR
= 0nF
150mA
PSRR (dB)
Figure 19.
PSRR (dB)
Figure 20.
8
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