Datasheet

140
120
100
80
60
40
20
0
TotalNoise( V )m
RMS
0.01 0.1
1
10
C (nF)
NR
I =1mA
C =2.2 F
OUT
OUT
m
30
25
20
15
10
5
0
TotalNoise( V )m
RMS
0
5
10 15 20 25
C ( F)m
OUT
I =1mA
C =0.01 F
OUT
NR
m
10 100
1k
10k 100k
1M
10M
Frequency(Hz)
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
C =2.2 F
OUT
m
C =0.01 F
NR
m
I =200mA
OUT
I =
100mA
OUT
I =
500mA
OUT
I =250mA
OUT
I =1mA
OUT
10 100
1k
10k 100k
1M
10M
Frequency(Hz)
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
C =10 F
OUT
m
C =0.01 F
NR
m
I =200mA
OUT
I =
100mA
OUT
I =
500mA
OUT
I =
200mA
OUT
I =1mA
OUT
400
350
300
250
200
150
100
50
0
V (mV)
DO
0 50 100 150 200 250 300 350 400 450 500
I (mA)
OUT
T
J
= 40 C- °
T
J
=+125 C°
T
J
=+85 C°
T
J
=0 C°
T
J
=+25 C°
10 100
1k
10k 100k
1M
10M
Frequency(Hz)
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
C =2.2 F
OUT
m
C =0.01 F
NR
m
I =250mA
OUT
I =
100mA
OUT
I =
500mA
OUT
I =200mA
OUT
I =1mA
OUT
TPS735xx
SBVS087K –JUNE 2008–REVISED AUGUST 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Over operating temperature range (T
J
= –40°C to +125°C), V
IN
= V
OUT(TYP)
+ 0.5V or 2.7V, whichever is greater; I
OUT
= 1mA,
V
EN
= V
IN
,C
OUT
= 2.2μF, C
NR
= 0.01μF, unless otherwise noted. For TPS73501, V
OUT
= 2.8V. The TPS73525 is used as the
evaluation target of the fixed-voltage option in this datasheet. However, this voltage option may not be released. Check the
Package Option Addendum at the end of this document for the availability of the 2.5V version.Typical values are at T
J
=
+25°C.
TPS73501 DROPOUT VOLTAGE vs POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
OUTPUT CURRENT (V
IN
– V
OUT
= 1.0V)
Figure 9. Figure 10.
POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
(V
IN
– V
OUT
= 0.5V) (V
IN
– V
OUT
= 0.3V)
Figure 11. Figure 12.
TPS73525 TPS73525
TOTAL NOISE vs C
NR
TOTAL NOISE vs C
OUT
Figure 13. Figure 14.
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