www.德州仪器.com
函数/truthtables
tps3307-18,tps3307-25,tps3307-33
SLVS199B–DECEMBER1998–REVISEDOCTOBER2004
aninternaltimerdelaysthereturnoftheresetoutputtotheinactivestate(高)toensurepropersystem
重置.thedelaytime,t
d(典型值)
=200ms,startsafterallsense
n
inputshaverisenabovethethresholdvoltageV
IT+
.
WhenthevoltageatanySENSEinputdropsbelowthethresholdvoltageV
它-
,theresetoutputbecomesactive
(低)又一次.
thetps3307-xxfamilyofdevicesincorporatesamanualresetinput,mr.alowlevelatmrcausesresetto
becomeactive.inadditiontotheactive-lowresetoutput,thetps3307-xxfamilyincludesanactive-高
resetoutput.
thedevicesareavailableineither8-pinmsoporstandard8-pinsopackages.
thetps3307-xxdevicesarecharacterizedforoperationoveratemperaturerangeof–40
°
Cto85
°
c.
SUPPLYVOLTAGEMONITORING
nominalsupervisedvoltagethresholdvoltage(典型值)
设备
SENSE1SENSE2SENSE3SENSE1SENSE2SENSE3
tps3307-183.3v1.8vuserdefined2.93v1.68v1.25v
(1)
tps3307-253.3v2.5vuserdefined2.93v2.25v1.25v
(1)
tps3307-335v3.3vuserdefined4.55v2.93v1.25v
(1)
(1)theactualsensevoltagehastobeadjustedbyanexternalresistordivideraccordingtotheapplicationrequirements.
AVAILABLEOPTIONS
PACKAGEDDEVICES
MARKINGCHIPFORM
PowerPAD™
T
一个
SMALLOUTLINE
dgnpackage(y)
µ-smalloutline
(d)
(dgn)
tps3307-18dtps3307-18dgntiaaptps3307-18y
-40
°
Cto85
°
ctps3307-25dtps3307-25dgntiaaqtps3307-25y
tps3307-33dtps3307-33dgntiaartps3307-33y
mrsense1>v
IT1
sense2>v
IT2
sense3>v
IT3
RESETRESET
LX
(1)
X
(1)
XLH
H000LH
H001LH
H010LH
H011LH
H100LH
H101LH
H110LH
H111HL
(1)x=don'tcare
2
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