Datasheet

-40 -25 -10 5 20 35 50 65 80 95 110
Temperature( C)°
125
2
1.5
1
0.5
0
0.5
1
1.5
2
-
-
-
-
V (V)
EN
ON
ON
OFF
-25
V (V)
IN
0
-20 -15 -10 -5
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°
10 100 100k 1M
Frequency(Hz)
10M
90
80
70
60
50
40
30
20
10
PSRR(dB)
V = 5V
V = 6.2V
I =200mA
C =10 F
C =0 F
OUT
IN
OUT
-
-
m
m
OUT
BYP
10k1k
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
200
20 40 60 80 100 120 140 160 180
+105 C°
+85 C°
+25 C°
- °40 C
+125 C°
10 100 1k 10k
Frequency(Hz)
100k
10
1
0.1
0.01
OutputSpectralNoiseDensity( V/ )m ÖHz
V = 1.2V
V = 3V
I =200mA
C =10 F
-
OUT
IN
OUT
OUT
-
m
TPS7A3401
SBVS163 –JUNE 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
J
= –40°C to +125°C, |V
IN
| = |V
OUT(NOM)
| + 1.0 V or |V
IN
| = 3.0 V (whichever is greater), V
EN
= V
IN
, I
OUT
= 1 mA,
C
IN
= 2.2 μF, C
OUT
= 2.2 μF, and the FB pin tied to OUT, unless otherwise noted.
ENABLE THRESHOLD VOLTAGE vs TEMPERATURE LINE REGULATION
Figure 13. Figure 14.
POWER-SUPPLY REJECTION RATIO LOAD REGULATION
Figure 15. Figure 16.
OUTPUT SPECTRAL NOISE DENSITY
Figure 17.
8 Copyright © 2011, Texas Instruments Incorporated