Datasheet

JunctionTemperature( C)°
-40
-20 0 20 40 60 80 100 120
I (nA)
SS
765
750
735
720
705
690
675
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)
TPS74401-EP
SBVS122B –MARCH 2010–REVISED SEPTEMBER 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
J
= +25°C, V
OUT
= 1.5 V, V
IN
= V
OUT(TYP)
+ 0.3 V, V
BIAS
= 3.3 V, I
OUT
= 50 mA, C
IN
= 1 mF, C
BIAS
= 1 mF, C
SS
= 0.01 mF, and
C
OUT
= 10 mF, unless otherwise noted.
SOFT-START CHARGING CURRENT (I
SS
)
vs TEMPERATURE LOW-LEVEL PG VOLTAGE vs PG CURRENT
Figure 20. Figure 21.
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