Datasheet

2.85
2.65
2.45
2.25
2.05
1.85
1.65
1.45
1.25
0
0.5 1.0
BiasCurrent(mA)
I (A)
OUT
1.5
+125 C°
+25 C°
- °40 C
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
2.0
2.5 3.0 3.5 4.0 4.5
BiasCurrent(mA)
V (V)
BIAS
5.0
+125 C°
+25 C°
- °40 C
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-40
-20 0 20 40 60 80 100
BiasCurrent( A)m
JunctionTemperature( C)°
120
V =2.375V
BIAS
V =5.5V
BIAS
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V Low-LevelPGVoltage(V)
OL
0
2 4
6 8 10
12
PGCurrent(mA)
20mV/div
20mV/div
20mV/div
20mV/div
1V/div
Time(50 s/div)m
4.3V
C =2x470 F(OSCON)
OUT
m
C =100 F(Cer.)
OUT
m
C =10 F(Cer.)
OUT
m
1V/ sm
3.3V
C =0 F
OUT
m
4.3V
10mV/div
10mV/div
10mV/div
10mV/div
500mV/div
Time(50 s/div)m
C =2x470 F(OSCON)
OUT
m
C =100 F(Cer.)
OUT
m
C =10 F(Cer.)
OUT
m
C =0 F
OUT
m
2.5V
1.5V
V =1.2V
OUT
1V/ sm
TPS743xx
SBVS065K –DECEMBER 2005–REVISED AUGUST 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
J
= +25°C, V
OUT
= 1.5V, V
IN
= V
OUT(TYP)
+ 0.3V, V
BIAS
= 3.3V, I
OUT
= 50mA, EN = V
IN
, C
IN
= 1mF, C
BIAS
= 4.7mF, and C
OUT
=
10mF, unless otherwise noted.
I
BIAS
vs I
OUT
AND TEMPERATURE I
BIAS
vs V
BIAS
AND V
OUT
Figure 17. Figure 18.
I
BIAS
SHUTDOWN vs TEMPERATURE LOW-LEVEL PG VOLTAGE vs PG CURRENT
Figure 19. Figure 20.
V
BIAS
LINE TRANSIENT V
IN
LINE TRANSIENT (1.5A)
Figure 21. Figure 22.
10 Submit Documentation Feedback Copyright © 2005–2010, Texas Instruments Incorporated