Datasheet

40
35
30
25
20
15
10
5
0
PSRR(dB)
0.2
V V (V)-
IN OUT
Frequency=10kHz
C =10 F
V =2.5V
I =100mA
OUT
OUT
OUT
m
0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
10k10
90
80
70
60
50
40
30
20
10
0
Ripple Rejection (dB)
100 1k 100k 1M 10M
Frequency (Hz)
I
OUT
= 1mA
C
OUT
= 1
µ
F
I
OUT
= Any
C
OUT
= 0
µ
F
V
IN
= V
OUT
+ 1V
I
OUT
= 1mA
C
OUT
= Any
I
OUT
= 1mA
C
OUT
= 10
µ
F
I
OUT
= 100mA
C
OUT
= Any
I
OUT
= 100mA
C
OUT
= 10
µ
F
I
O
= 100mA
C
O
= 1
µ
F
1
0.1
0.01
e
N
(
µ
V/
√
Hz)
10 100 1k 10k 100k
Frequency (Hz)
C
OUT
= 1
µ
F
C
OUT
= 0
µ
F
C
OUT
= 10
µ
F
I
OUT
= 150mA
1
0.1
0.01
e
N
(
µ
V/
√
Hz)
10 100 1k 10k 100k
Frequency (Hz)
I
OUT
= 150mA
C
OUT
= 1
µ
F
C
OUT
= 0
µ
F
C
OUT
= 10
µ
F
60
50
40
30
20
10
0
V
N
(RMS)
C
OUT
(
µ
F)
0.1 1 10
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 1.5V
C
NR
= 0.01
µ
F
10Hz < Frequency < 100kHz
140
120
100
80
60
40
20
0
V
N
(RMS)
C
NR
(F)
1p 10p 100p 1n 10n
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 1.5V
C
OUT
= 0
µ
F
10Hz < Frequency < 100kHz
TPS736xx
www.ti.com SBVS038T –SEPTEMBER 2003–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
For all voltage versions, at T
J
= +25°C, V
IN
= V
OUT(nom)
+ 0.5V, I
OUT
= 10mA, V
EN
= 1.7V, and C
OUT
= 0.1mF, unless otherwise
noted.
PSRR (RIPPLE REJECTION) vs FREQUENCY PSRR (RIPPLE REJECTION) vs V
IN
– V
OUT
Figure 15. Figure 16.
NOISE SPECTRAL DENSITY NOISE SPECTRAL DENSITY
C
NR
= 0mF C
NR
= 0.01mF
Figure 17. Figure 18.
RMS NOISE VOLTAGE vs C
OUT
RMS NOISE VOLTAGE vs C
NR
Figure 19. Figure 20.
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