Datasheet

0.20
0.15
0.10
0.05
0
-0.05
-0.01
-0.15
-0.20
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
ChangeinV (%)
OUT
V V-
IN OUT
(V)
5.0
+125 C°
+25 C°
- °40 C
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
1.0 1.5 2.0 2.5 3.0 3.5
ChangeinV (%)
OUT
V V-
BIAS OUT
(V)
4.0
+125 C°
+25 C°
- °40 C
1.0
0.8
0.6
0.4
0.2
0
-0.2
0
10 20 30 40
ChangeinV (%)
OUT
I (mA)
OUT
50
- °40 C
+25 C°
+125 C°
0.5
0.4
03
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
1.0 1.50.5 2.0 2.5
ChangeinV (%)
OUT
I (A)
OUT
3.0
- °40 C
+125 C°
+25 C°
180
160
140
120
100
80
60
40
20
0
0
1.0 1.50.5 2.0 2.5
V
DO IN OUT
(V - V )(mV)
I (A)
OUT
3.0
+125 C°
+25 C°
- °40 C
400
350
300
250
200
150
100
50
0
1.0
1.5
V (V -
DO IN OUT
V )(mV)
V V-
BIAS OUT
(V)
4.5
+125 C°
+25 C°
- °40 C
2.0 2.5 3.0 3.5 4.0
I =3A
OUT
TPS749xx
www.ti.com SBVS082G –JUNE 2007–REVISED NOVEMBER 2010
TYPICAL CHARACTERISTICS
At T
J
= +25°C, V
IN
= V
OUT(TYP)
+ 0.3V, V
BIAS
= 5V, I
OUT
= 50mA, V
EN
= V
IN
, C
IN
= 1mF, C
BIAS
= 4.7mF, and C
OUT
= 10mF,
unless otherwise noted.
V
IN
LINE REGULATION V
BIAS
LINE REGULATION
Figure 3. Figure 4.
LOAD REGULATION LOAD REGULATION
Figure 5. Figure 6.
V
IN
DROPOUT VOLTAGE vs V
IN
DROPOUT VOLTAGE vs
i
OUT
AND TEMPERATURE (T
J
) V
IN
DROPOUT VOLTAGE vs I
OUT
AND TEMPERATURE (T
J
)
Figure 7. Figure 8.
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