www.德州仪器.com
TPS65012
SLVS504A–MARCH2004–REVISEDJANUARY2005
electricalcharacteristics(持续)
batterycharger,v
o(reg)
+V
(做-最大值)
≤
V
(chg)
=V
(交流)
orV
(usb)
,i
(期)
<i
O
≤
1a,0
°
c<t
一个
<85
°
C
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
OH
highleveloutputvoltageconfiguredasanopen-drainoutput6v
V
IL
lowlevelinputvoltage00.8v
V
IH
Highlevelinputvoltage2V
CC
(5)
V
I
I
Inputleakagecurrent1µA
r
ds(在)
InternalNMOSV
OL
=0.3v150
Ω
logicsignalspg,led2
V
OL
LowleveloutputvoltageI
OL
=20ma0.5v
V
OH
Highleveloutputvoltage6V
VIBRATORDRIVERVIB
V
OL
LowleveloutputvoltageI
OL
=100ma0.30.5v
V
OH
Highleveloutputvoltage6V
THERMALSHUTDOWN
T
(sd)
ThermalshutdownIncreasingjunctiontemperature160
°
C
UNDERVOLTAGELOCKOUT
V
(uvlo)
2.5v-3%3%
Undervoltagelockout
V
(uvlo)
V
(uvlo)
2.75v-3%3%
Filterresistor=10Rinseries
门槛
withV
cc,
V
CC
减少
V
(uvlo)
3.0v-3%3%
DefaultvalueV
(uvlo)
3.25v-3%3%
V
(uvlo_hyst)
UVLOcomparatorhysteresisV
CC
rising150200mV
POWERGOOD
vmain,vcore,vldo1,vldo2
-12%-10%-8%
减少
vmain,vcore,vldo1,vldo2
-7%-5%-3%
增加
(5)iftheinputvoltageishigherthanv
CC
anadditionalcurrent,limitedbyaninternal10-kresistor,flows.
8
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