Datasheet

90
80
70
60
50
40
30
20
10
0
0.0 1.0 1.50.5 2.0 2.5
V
IN
−
V
OUT
(V)
PSRR (dB)
3.0 3.5 4.0
0.1kHz
100kHz
1kHz
10kHz
1MHz
C
NR
= 0.01
µ
F
C
OUT
= 2.2
µ
F
90
80
70
60
50
40
30
20
10
0
PSRR (dB)
0.0 1.0 1.50.5 2.0 2.5
V
IN
−
V
OUT
(V)
3.0 3.5 4.0
0.1kHz
10kHz
1kHz
100kHz
1MHz
C
NR
= 0.01
µ
F
C
OUT
= 2.2
µ
F
90
80
70
60
50
40
30
20
10
0
0.0 1.0 1.50.5 2.0 2.5
V
IN
−
V
OUT
(V)
PSRR (dB)
3.0 3.5 4.0
0.1kHz
1kHz
10kHz
100kHz
1MHz
C
NR
= 0.01
µ
F
C
OUT
= 2.2
µ
F
TPS79901-Q1, TPS79912-Q1, TPS79915-Q1
TPS79918-Q1, TPS79925-Q1, TPS79927-Q1, TPS79933-Q1
SBVS097E –MARCH 2008–REVISED JANUARY 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Over operating temperature range (T
J
= –40°C to 125°C), V
IN
= V
OUT(TYP)
+ 0.3 V or 2.7 V, whichever is greater; I
OUT
= 1 mA,
V
EN
= V
IN
, C
OUT
= 2.2 μF, C
NR
= 0.01 μF (unless otherwise noted). For TPS79901, V
OUT
= 3 V. Typical values are at
T
J
= 25°C.
POWER-SUPPLY RIPPLE REJECTION vs POWER-SUPPLY RIPPLE REJECTION vs
V
IN
– V
OUT
, I
OUT
= 1 mA V
IN
– V
OUT
, I
OUT
= 100 mA
Figure 9. Figure 10.
POWER-SUPPLY RIPPLE REJECTION vs
V
IN
– V
OUT
, I
OUT
= 200 mA
Figure 11.
6 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated
Product Folder Links: TPS79901-Q1 TPS79912-Q1 TPS79915-Q1 TPS79918-Q1 TPS79925-Q1 TPS79927-Q1
TPS79933-Q1