Datasheet

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
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
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
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
40
35
30
25
20
15
10
5
0
PSRR (dB)
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
V
IN
−
V
OUT
(V)
Frequency = 100kHz
C
OUT
= 10µF
C
NR
= 0.01µF
TPS73201-Q1
TPS73225-Q1
www.ti.com SGLS303E –MAY 2005–REVISED AUGUST 2013
TYPICAL CHARACTERISTICS (continued)
For all voltage versions at T
J
= 25°C, V
IN
= V
OUT(nom)
+ 0.5 V, I
OUT
= 10 mA, V
EN
= 1.7 V, and C
OUT
= 0.1 μF, unless otherwise
noted
PSRR (RIPPLE REJECTION) PSRR (RIPPLE REJECTION)
vs vs
FREQUENCY V
IN
– V
OUT
Figure 16. Figure 17.
NOISE SPECTRAL DENSITY NOISE SPECTRAL DENSITY
C
NR
= 0 μF C
NR
= 0.01 μF
Figure 18. Figure 19.
RMS NOISE VOLTAGE RMS NOISE VOLTAGE
vs vs
C
OUT
C
NR
Figure 20. Figure 21.
Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links: TPS73201-Q1 TPS73225-Q1