Datasheet

V (100mV/div)
OUT
I (
OUT
500mA/div)
Time(100 s/div)m
I =1mAto500mA
V =16V
V =15V
OUT
IN
OUT
V (100mV/div)
OUT
I (
OUT
500mA/div)
Time(100 s/div)m
I =500mAto1mA
V =16V
V =15V
OUT
IN
OUT
0.01
0.1
1
10
10 100 1k 10k 100k 1M
Frequency (Hz)
Noise (µV/ Hz)
C
NR
SS
= 0nF, V
NOISE
= 78µV
RMS
C
NR SS
= 10nF, V
NOISE
= 16µV
RMS
C
OUT
= 22µF
BW
RMSNOISE
[10Hz, 100kHz]
0.01
0.1
1
10
10 100 1k 10k 100k 1M
Frequency (Hz)
Noise (µV/ Hz)
V
OUT
= −1.171V, V
NOISE
= 16.48µV
RMS
V
OUT
= −5V, V
NOISE
= 37µV
RMS
I
OUT
= 1A
C
OUT
= 22µF
C
NR
SS
= 10nF
BW
RMSNOISE
[10Hz, 100kHz]
0
10
20
30
40
50
60
70
80
90
100
110
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
PSRR (dB)
V
DO
= 1V
V
DO
= 750mV
V
DO
= 500mV
V
DO
= 350mV
V
DO
= 300mV
I
OUT
= 1A
C
NR
= 10nF
C
OUT
= 22µF
0.01
0.1
1
10
10 100 1k 10k 100k 1M
Frequency (Hz)
Noise (µV/ Hz)
I
OUT
= 1mA, V
NOISE
= 16.26µV
RMS
I
OUT
= 1A, V
NOISE
= 16.48µV
RMS
C
OUT
= 22µF
C
NR
SS
= 10nF
BW
RMSNOISE
[10Hz, 100kHz]
TPS7A33
www.ti.com SBVS169C –DECEMBER 2011–REVISED FEBRUARY 2013
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
= 22 μF,
C
OUT
= 22 μF, C
NR/SS
= 0 nF, and the FB pin tied to OUT, unless otherwise noted.
OUTPUT SPECTRAL NOISE DENSITY vs OUTPUT
POWER-SUPPLY REJECTION RATIO vs V
DO
CURRENT
Figure 19. Figure 20.
OUTPUT SPECTRAL NOISE DENSITY vs C
NR/SS
OUTPUT SPECTRAL NOISE DENSITY vs V
OUT(NOM)
Figure 21. Figure 22.
LOAD TRANSIENT LOAD TRANSIENT
Figure 23. Figure 24.
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