Datasheet

1V/div
Time(20ms/div)
V (500mV/div)
PG
V
OUT
V =V =V
IN BIAS EN
Time(20 s/div)m
V
OUT
50mV/div
I
OUT
1A/div
OutputOpen
OutputShorted
V =0.8V
OUT
10mV/div
10mV/div
10mV/div
10mV/div
500mV/div
Time(50 s/div)m
C =2x470 F
OUT
m
C =100 F(Cer.)
OUT
m
C =10 F
OUT
(Cer.)m
C =0 F
OUT
m
1V/ sm
2.5V
1.5V
V =1.2V
OUT
(OSCON)
1V/div
500mV/div
Time(1ms/div)
C =0 F
SS
m
C =0.001 F
SS
m
C =0.0047 F
SS
m
V
OUT
V
EN
0V
1.1V
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
1V/ sm
4.3V
3.3V
50mV/div
50mV/div
50mV/div
50mV/div
2A/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 =
OUT
0 Fm
1A/ sm
3.0A
100mA
TPS744xx
SBVS066O –DECEMBER 2005–REVISED MARCH 2013 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, C
IN
= 1μF, C
BIAS
= 1μF, C
SS
= 0.01μF, and
C
OUT
= 10μF, unless otherwise noted.
LOAD TRANSIENT RESPONSE V
BIAS
LINE TRANSIENT (3A)
Figure 24. Figure 25.
V
IN
LINE TRANSIENT (3A) TURN-ON RESPONSE
Figure 26. Figure 27.
POWER-UP/POWER-DOWN OUTPUT SHORT-CIRCUIT RECOVERY
Figure 28. Figure 29.
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