www.德州仪器.com
ELECTRICALCHARACTERISTICS
TPS3808
SBVS050E–MAY2004–REVISEDOCTOBER2005
1.8v
≤
V
DD
≤
6.5v,r
LRESET
=100k
Ω
,c
LRESET
=50pf,overoperatingtemperaturerange(t
J
=–40
°
Cto+125
°
c),除非
otherwisenoted.typicalvaluesareatt
J
=+25
°
c.
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
DD
inputsupplyrange1.86.5v
V
DD
=3.3v,resetnotasserted
2.45.0µa
mr,重置,c
T
打开
I
DD
supplycurrent(currentintov
DD
管脚)
V
DD
=6.5v,resetnotasserted
2.76.0
µ
一个
mr,重置,c
T
打开
1.3v
≤
V
DD
<1.8v,i
OL
=0.4ma0.3v
V
OL
低-leveloutputvoltage
1.8v
≤
V
DD
≤
6.5v,i
OL
=1.0ma0.4v
电源-upresetvoltage
(1)
V
OL
(最大值)=0.2v,i
重置
=15
µ
a0.8v
tps3808g01–2.0
±
1.0+2.0
V
它
≤
3.3v–1.5
±
0.5+1.5
负的-going
V
它
inputthreshold3.3v<v
它
≤
5.0v–2.0
±
1.0+2.0%
精度
V
它
≤
3.3v–40
°
c<t
J
<+85
°
c–1.25
±
0.5+1.25
3.3v<v
它
≤
5.0v–40
°
c<t
J
<+85
°
c–1.5
±
0.5+1.5
tps3808g011.53.0
V
HYS
HysteresisonV
它
pin%V
它
fixedversions1.02.5
R
MR
mrinternalpull-upresistance7090k
Ω
TPS3808G01V
SENSE
=V
它
–2525nA
Inputcurrentat
I
SENSE
SENSEpin
FixedversionsV
SENSE
=6.5v1.7
µ
一个
I
OH
RESETleakagecurrentV
重置
=6.5v,resetnotasserted300na
C
T
pinV
在
=0VtoV
DD
5
inputcapacitance,
C
在
pF
anypin
OtherpinsV
在
=0vto6.5v5
V
IL
mrlogiclowinput0.3v
DD
V
V
IH
mrlogichighinput0.7v
DD
SENSEV
IH
=1.05v
它
,v
IL
=0.95v
它
20
Maximumtransient
t
w
µ
s
持续时间
MRV
IH
=0.7v
DD
,v
IL
=0.3v
DD
0.001
C
T
=Open122028ms
C
T
=V
DD
180300420ms
t
d
RESETdelaytimeSeetimingdiagram
C
T
=100pf0.751.251.75ms
C
T
=180nf0.71.21.7s
PropagationdelayMRtoRESETV
IH
=0.7v
DD
,v
IL
=0.3v
DD
150ns
t
pHL
Hightolowlevel
SENSEtoRESETV
IH
=1.05v
它
,v
IL
=0.95v
它
20
µ
s
RESETdelay
θ
JA
thermalresistance,接合面-至-ambient290
°
c/w
(1)thelowestsupplyvoltage(v
DD
)atwhichresetbecomesactive.t
上升(vdd)
≥
15
µ
s/v.
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