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SWITCHINGCHARACTERISTICS
TRUTHTABLE
TPS2114
TPS2115
SLVS447A–DECEMBER2002–REVISEDMARCH2004
overrecommendedoperatingjunctiontemperaturerange,v
i(in1)
=V
i(in2)
=5.5v,r
(ilim)
=400
Ω
(unlessotherwisenoted)
TPS2114TPS2115
PARAMETERTESTCONDITIONSUNIT
MINTYPMAXMINTYPMAX
POWERSWITCH
T
J
=25
°
c,c
L
=1µf,
Outputrisetimefroman
t
r
V
i(in1)
=V
i(in2)
=5VI
L
=500ma,0.51.01.511.83ms
使能
(1)
seefigure1(一个)
T
J
=25
°
c,c
L
=1µf,
Outputfalltimefroma
t
f
V
i(in1)
=V
i(in2)
=5VI
L
=500ma,0.350.50.70.512ms
使不能运转
(1)
seefigure1(一个)
in1toin2transition,t
J
=125
°
c,
V
i(in1)
=3.3v,c
L
=10µf,40604060
V
i(in2)
=5VI
L
=500mA[Measure
transitiontimeas
t
t
Transitiontime
(1)
µs
10-90%risetimeor
in2toin1transition,
from3.4vto4.8v
V
i(in1)
=5v,40604060
onV
o(输出)
],
V
i(in2)
=3.3v
seefigure1(b)
T
J
=25
°
c,
V
i(in1)
=V
i(in2)
=5v,
TurnonpropagationdelayC
L
=10µf,
t
PLH1
measuredfromenable0.51ms
fromenable
(1)
I
L
=500ma,
to10%ofV
o(输出)
seefigure1(一个)
T
J
=25
°
c,
V
i(in1)
=V
i(in2)
=5v,
TurnoffpropagationdelayC
L
=10µf,
t
PHL1
Measuredfromdisable35ms
fromadisable
(1)
I
L
=500ma,
to90%ofV
o(输出)
seefigure1(一个)
logic1tologic0tran-
sitionond1,
T
J
=25
°
c,
V
i(in1)
=1.5v,
转变-overrisingc
L
=10µf,
t
PLH2
V
i(in2)
=5v,0.1710.171ms
propagationdelay
(1)
I
L
=500ma,
V
i(d0)
=0v,
seefigure1(c)
MeasuredfromD1to
10%ofV
o(输出)
logic0tologic1tran-
sitionond1,
T
J
=25
°
c,
V
i(in1)
=1.5v,
转变-overfallingc
L
=10µf,
t
PHL2
V
i(in2)
=5v,23102510ms
propagationdelay
(1)
I
L
=500ma,
V
i(d0)
=0v,量过的
seefigure1(c)
fromD1to90%of
V
o(输出)
(1)nottestedinproduction.
D1D0V
i(in2)
>v
i(in1)
STATOUT
(1)
00xhi-zin2
01No0IN1
01yeshi-zin2
10X0IN1
11x0hi-z
(1)theunder-voltagelockoutcircuitcausestheoutputouttogohi-z
iftheselectedpowersupplydoesnotexceedthein1/in2uvlo,或者
ifneitherofthesuppliesexceedstheinternalV
DD
uvlo.
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