Datasheet

10k10
90
80
70
60
50
40
30
20
10
0
RippleRejection(dB)
100 1k 100k 1M 10M
Frequency(Hz)
I =1mA
OUT
C =1mF
OUT
I =1mA
OUT
C =Any
OUT
I =1mA
OUT
C =10mF
OUT
I =100mA
OUT
C =Any
OUT
I =100mA
OUT
C =10mF
OUT
I =100mA
O
C =1mF
O
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 V- (V)
IN OUT
Frequency=10kHz
C =10 F
V =2.5V
I =100mA
m
OUT
OUT
OUT
1
0.1
0.01
e
V/m
Ö( Hz)
N
10 100 1k 10k 100k
Frequency(Hz)
C =1 Fm
OUT
C =10 Fm
OUT
I =150mA
OUT
60
55
50
45
40
35
30
25
20
V (RMS)
N
C (F)
FB
10p 100p 1n 10n
V =2.5V
OUT
C =0mF
OUT
R =39.2kW
1
10Hz<Frequency<100kHz
60
50
40
30
20
10
0
V
N
(RMS)
C ( F)m
OUT
0.1 1 10
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 1.5V
C
NR
= 0.01 Fm
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 Fm
10Hz < Frequency < 100kHz
TPS73719-Q1
TPS73733-Q1
SBVS123 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
T
J
= 25 ° C, V
IN
= (V
OUT(nom)
+ 1.0 V), I
OUT
= 10 mA, V
EN
= 2.2 V, C
OUT
= 2.2 µ F (unless otherwise noted)
PSRR (RIPPLE REJECTION) vs
PSRR (RIPPLE REJECTION) vs FREQUENCY V
IN
– V
OUT
Figure 15. Figure 16.
TPS73701
NOISE SPECTRAL DENSITY RMS NOISE VOLTAGE vs C
FB
Figure 17. Figure 18.
RMS NOISE VOLTAGE vs C
OUT
RMS NOISE VOLTAGE vs C
NR
Figure 19. Figure 20.
8 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s) :TPS73733-Q1