Datasheet

0 2
3
1
0
0
5
0.2 1.81.61.41.210.4 0.6 0.8
2
4
V =3.3V
I =1A
C =22 F
V =4.3V
=High
OUT1
O
O
IN1
m
EN2
EnableVoltage - V
V OutputVoltage V
O
- -
t Time ms- -
0 2
2
1
0
0
5
0.2 1.81.61.41.210.4 0.6 0.8
V =1.8V
I =2A
C =47 F
V =2.8V
=High
OUT2
O
O
IN2
m
EN1
t Time ms- -
EnableVoltage - V
V OutputVoltage V
O
- -
IN
EN
OUT
GND
ESR
V
IN
C
OUT
ToLoad
R
L
+
TPS70445, TPS70448
TPS70451, TPS70458
TPS70402
SLVS307F –SEPTEMBER 2000–REVISED APRIL 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
OUTPUT VOLTAGE AND ENABLE VOLTAGE OUTPUT VOLTAGE AND ENABLE VOLTAGE
vs vs
TIME (START-UP) TIME (START-UP)
Figure 26. Figure 27.
Figure 28. Test Circuit for Typical Regions of Stability
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