Datasheet

80
70
60
50
40
30
20
10
0
V (V)
IN
PSRR (dB)
3.0 4.03.2 3.4 3.6 3.8
V =2.80V
OUT
I =5mA
OUT
10kHz
1kHz
100kHz
1MHz
90
80
70
60
50
40
30
20
10
0
PSRR(dB)
10 100k 10M
Frequency(Hz)
1k
10k100
1M
5mA
100mA
200mA
80
70
60
50
40
30
20
10
0
V (V)
IN
PSRR (dB)
3.0 4.03.2 3.4 3.6 3.8
V =2.80V
I =200mA
OUT
OUT
10kHz
1kHz
100kHz
1MHz
10
1
0.1
0.01
OutputSpectralNoiseDensity( V )
m Hz
Ö
100 10k 100k
Frequency(Hz)
1k
V =2.80V
OUT
10 s/divm
3.3V
6.5V
1V/div
10mV/div
10mV/div
V
IN
V
OUT1
V
OUT2
=1V/ sm
dV
IN
dt
20 s/divm
I
OUT1
V
OUT1
V
OUT2
250mA/div
10mV/div
10mV/div
=200mA/ sm
dI
OUT
dt
I =3mA
OUTmin
TPS718xx
TPS719xx
SBVS088C – FEBRUARY 2007 – REVISED MAY 2008 ..................................................................................................................................................... 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
= 0.5mA, V
EN1
= V
EN2
= V
IN
, C
OUT
= 1.0 µ F, unless otherwise noted. Typical values are at T
J
= +25 ° C.
POWER-SUPPLY RIPPLE REJECTION vs POWER-SUPPLY RIPPLE REJECTION vs
FREQUENCY (V
IN
– V
OUT
= 1V) INPUT VOLTAGE
Figure 14. Figure 15.
POWER-SUPPLY RIPPLE REJECTION vs OUTPUT SPECTRAL NOISE DENSITY vs
INPUT VOLTAGE FREQUENCY
Figure 16. Figure 17.
LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 18. Figure 19.
8 Submit Documentation Feedback Copyright © 2007 – 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS718xx TPS719xx