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(1) 看 应用 信息 部分 为 电容 选择 详细信息.
NC
输出
2
1
在
EN
地
3
5
4
V
I
1
µ
F
V
O
47
µ
F
+
C
o
(1)
tps75601,tps75615
tps75618,tps75625
TPS75633
SLVS329C–JUNE2001–REVISEDMARCH2004
becausethepmosdevicebehavesasalow-valueresistor,thedropoutvoltageisverylow(typically250mvat
anoutputcurrentof5aforthetps75633)andisdirectlyproportionaltotheoutputcurrent.additionally,自从
thepmospasselementisavoltage-drivendevice,thequiescentcurrentisverylowandindependentofoutput
加载(typically125µaoverthefullrangeofoutputcurrent).thesetwokeyspecificationsyieldasignificant
improvementinoperatinglifeforbattery-poweredsystems.
thedeviceisenabledwhenen(使能)isconnectedtoahighvoltagelevel(>2v).applyingalowvoltage
水平的(<0.7v)toenshutsdowntheregulator,reducingthequiescentcurrenttolessthan1µaatt
J
=25
°
c.
thetps756xxisofferedin1.5-v,1.8-v,2.5-v,and3.3-vfixed-voltageversionsandinanadjustableversion
(programmableovertherangeof1.22vto5v).outputvoltagetoleranceisspecifiedasamaximumof3%over
线条,加载,andtemperatureranges.thetps756xxfamilyisavailableina5-pinto-220(kc)andto-263(ktt)
包装.
AVAILABLEOPTIONS
T
J
outputvoltage(典型值)至-220(kc)至-263(ktt)
(1)
3.3vtps75633kctps75633ktt
2.5vtps75625kctps75625ktt
-40
°
Cto+125
°
c1.8vtps75618kctps75618ktt
1.5vtps75615kctps75615ktt
adjustable1.22vto5vtps75601kctps75601ktt
(1)thetps75601isprogrammableusinganexternalresistordivider(seeapplicationinformation).增加
T
forkttdevicesin50-piecereel.增加
R
forkttdevicesin500-piecereel.
figure1.typicalapplicationconfiguration(forfixedoutputoptions)
2
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