Datasheet

-40 -25 -10 5 20 35 50 65 80 95 110
Temperature( C)°
125
2.5
2
1.5
1
0.5
0
V (V)
EN
ON
OFF
10 100 100k 1M
Frequency(Hz)
10M
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
10k1k
V =5V
V =6.2V
I =150mA
C =10nF
C =10nF
OUT
IN
OUT
NR/SS
BYP
C =10 Fm
OUT
C =2.2 Fm
OUT
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
-
-
-
-
-
V (%)
OUT(NOM)
+105 C°
+85 C°
+25 C°
- °40 C
+125 C°
0
V (V)
IN
40
5 10 15 20 25 30 35
10 100 100k 1M
Frequency(Hz)
10M10k1k
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
V =1.2V
V =3.2V
I =150mA
C =10 F
C =0nF
OUT
IN
OUT
OUT
BYP
m
C =0nF
NR/SS
C =10nF
NR/SS
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
-
-
-
-
-
V (%)
OUT(NOM)
0
I (mA)
OUT
150
15 30 45 60 75 90 105 120 135
+105 C°
+85 C°
+25 C°
- °40 C
+125 C°
10 100 100k 1M
Frequency(Hz)
10M10k1k
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
V =5V
V =6.2V
I =150mA
C =10 F
C =10nF
OUT
IN
OUT
OUT
NR/SS
m
C =10nF
BYP
C =0nF
BYP
TPS7A49xx
SBVS121B –AUGUST 2010–REVISED JANUARY 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
J
= –40°C to +125°C, V
IN
= V
OUT(NOM)
+ 1.0V or V
IN
= 3.0V (whichever is greater), V
EN
= V
IN
, I
OUT
= 1mA, C
IN
= 2.2mF, C
OUT
= 2.2mF, C
NR/SS
= 0nF, and the FB pin tied to OUT, unless otherwise noted.
ENABLE THRESHOLD VOLTAGE vs TEMPERATURE POWER-SUPPLY REJECTION RATIO vs C
OUT
Figure 13. Figure 14.
LINE REGULATION POWER-SUPPLY REJECTION RATIO vs C
NR/SS
Figure 15. Figure 16.
LOAD REGULATION POWER-SUPPLY REJECTION RATIO vs C
BYP
Figure 17. Figure 18.
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