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描述(持续)
†
看 应用 信息 部分 为 电容 选择 详细信息.
PG
输出
输出
7
6
5
在
在
EN
地
3
16
14
13
V
I
0.1
µ
F
PG
V
O
10
µ
F
+
TPS768xx
C
o
†
tps76815q,tps76818q,tps76825q
tps76827q,tps76828q,tps76830q
tps76833q,tps76850q,tps76801q
SLVS211J–JUNE1999–REVISEDOCTOBER2004
becausethepmosdevicebehavesasalow-valueresistor,thedropoutvoltageisverylow(typically230mvat
anoutputcurrentof1aforthetps76850)andisdirectlyproportionaltotheoutputcurrent.additionally,自从
thepmospasselementisavoltage-drivendevice,thequiescentcurrentisverylowandindependentofoutput
加载(typically85µaoverthefullrangeofoutputcurrent,0mato1a).thesetwokeyspecificationsyielda
significantimprovementinoperatinglifeforbattery-poweredsystems.thisldofamilyalsofeaturesasleep
模式;applyingattlhighsignaltoen(使能)shutsdowntheregulator,reducingthequiescentcurrenttoless
than1µAatT
J
=25
°
c.
powergood(pg)isanactivehighoutput,whichcanbeusedtoimplementapower-onresetoralow-电池
指示信号.
thetps768xxisofferedin1.5-v,1.8-v,2.5-v,2.7-v,2.8-v,3.0-v,3.3-v,and5.0-vfixed-voltageversionsand
inanadjustableversion(programmableovertherangeof1.2vto5.5v).outputvoltagetoleranceisspecified
asamaximumof2%overline,加载,andtemperatureranges.thetps768xxfamilyisavailablein8-pinsoic
and20-pinpwppackages.
AVAILABLEOPTIONS
outputvoltage(v)packageddevices
(1)
T
J
typtssop(pwp)soic(d)
5.0tps76850qtps76850q
3.3tps76833qtps76833q
3.0tps76830qtps76830q
2.8tps76828qtps76828q
40
°
Cto125
°
c2.7tps76827qtps76827q
2.5tps76825qtps76825q
1.8tps76818qtps76818q
1.5tps76815qtps76815q
adjustable1.2vto5.5vtps76801qtps76801q
(1)thetps76801isprogrammableusinganexternalresistordivider(seeapplicationinformation).thedandpwppackagesareavailable
tapedandreeled.addanrsuffixtothedevicetype(e.g.,tps76801qdr).
figure1.typicalapplicationconfiguration(forfixedoutputoptions)
2
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