TPS62222DDC_集成电路资料查询网

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ELECTRICALCHARACTERISTICS
tps62220,tps62221,tps62222
tps62223,tps62224
tps62228,tps62229
SLVS491C–SEPTEMBER2003–REVISEDSEPTEMBER2004
V
I
=3.6v,v
O
=1.8v,i
O
=200ma,en=vin,t
一个
=-40
°
Cto85
°
c,typicalvaluesareatt
一个
=+25
°
c(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
SUPPLYCURRENT
V
I
inputvoltagerange2.56.0v
I
Q
OperatingquiescentcurrentI
O
=0ma,deviceisnotswitching1525µa
shutdownsupplycurrenten=gnd0.11µa
undervoltagelockoutthreshold1.52.0v
使能
V
(en)
enhighlevelinputvoltage1.3v
enlowlevelinputvoltage0.4v
I
(en)
eninputbiascurrenten=gndorvin0.010.1µa
POWERSWITCH
V
在
=V
GS
=3.6v530670
p-channelmosfeton-resistancem
Ω
V
在
=V
GS
=2.5v670850
r
ds(在)
V
在
=V
GS
=3.6v430540
n-channelmosfeton-resistancem
Ω
V
在
=V
GS
=2.5v530660
I
lkg_(p)
p-channelleakagecurrentv
DS
=6.0v0.11µa
I
lkg_(n)
n-channelleakagecurrentv
DS
=6.0v0.11µa
I
(lim)
p-channelcurrentlimit2.5v<v
在
<6.0v600670880ma
振荡器
f
S
switchingfrequency0.81.251.85mhz
输出
I
O
Outputcurrent400mA
Adjustableoutputvoltage
V
O
tps622200.7v
在
V
范围
V
ref
referencevoltage0.5v
V
I
=3.6vto6.0v,i
O
=0mA0%3%
TPS62220
feedbackvoltage,看
(1)
可调整的
V
I
=3.6vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
I
=2.5vto6.0v,i
O
=0mA0%3%
TPS62221
1.5v
V
I
=2.5vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
I
=2.5vto6.0v,i
O
=0mA0%3%
TPS62224
1.6v
V
I
=2.5vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
I
=2.5vto6.0v,i
O
=0mA0%3%
TPS62229
1.7v
V
I
=2.5vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
O
Fixedoutputvoltage
V
I
=2.5vto6.0v,i
O
=0mA0%3%
TPS62222
1.8v
V
I
=2.5vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
I
=2.5vto6.0v,i
O
=0mA0%3%
TPS62228
1.875v
V
I
=2.5vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
V
I
=2.7vto6.0v,i
O
=0mA0%3%
TPS62223
2.3v
V
I
=2.7vto6.0v,0ma
≤
I
O
≤
400ma-3%3%
LineregulationV
I
=2.5vto6.0v,i
O
=10ma0.26%/v
LoadregulationI
O
=100mato400ma0.0014%/毫安
I
lkg
leakagecurrentintoswpinvin>vout,0v
≤
Vsw
≤
vin0.11µa
I
lkg
(rev)reverseleakagecurrentintopinswvin=打开,en=地,v
SW
=6.0v0.11µa
(1)foroutputvoltages
≤
1.2v,a22-µfoutputcapacitorvalueisrequiredtoachieveamaximumoutputvoltageaccuracyof3%while
operatinginpower-savemode(pfmmode).foroutputvoltages
≥
2v,aninductorof10µhandanoutputcapacitorof
≥
10µFis
推荐.seethe
ApplicationInformation
sectionforexternalcomponents.
3

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www.德州仪器.com ELECTRICALCHARACTERISTICS tps62220,tps62221,tps62222 tps62223,tps62224 tps62228,tps62229 SLVS491C–SEPTEMBER2003–REVISEDSEPTEMBER2004 V I =3.6v,v O =1.8v,i O =200ma,en=vin,t 一个 =-40 ° Cto85 ° c,typicalvaluesareatt 一个 =+25 ° c(unlessotherwisenoted) PARAMETERTESTCONDITIONSMINTYPMAXUNIT SUPPLYCURRENT V I inputvoltagerange2.56.0v I Q OperatingquiescentcurrentI O =0ma,deviceisnotswitching1525µa shutdownsupplycurrenten=gnd0.11µa undervoltagelockoutthreshold1.52.0v 使能 V (en) enhighlevelinputvoltage1.3v enlowlevelinputvoltage0.4v I (en) eninputbiascurrenten=gndorvin0.010.1µa POWERSWITCH V 在 =V GS =3.6v530670 p-channelmosfeton-resistancem Ω V 在 =V GS =2.5v670850 r ds(在) V 在 =V GS =3.6v430540 n-channelmosfeton-resistancem Ω V 在 =V GS =2.5v530660 I lkg_(p) p-channelleakagecurrentv DS =6.0v0.11µa I lkg_(n) n-channelleakagecurrentv DS =6.0v0.11µa I (lim) p-channelcurrentlimit2.5v<v 在 <6.0v600670880ma 振荡器 f S switchingfrequency0.81.251.85mhz 输出 I O Outputcurrent400mA Adjustableoutputvoltage V O tps622200.7v 在 V 范围 V ref referencevoltage0.5v V I =3.6vto6.0v,i O =0mA0%3% TPS62220 feedbackvoltage,看 (1) 可调整的 V I =3.6vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V I =2.5vto6.0v,i O =0mA0%3% TPS62221 1.5v V I =2.5vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V I =2.5vto6.0v,i O =0mA0%3% TPS62224 1.6v V I =2.5vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V I =2.5vto6.0v,i O =0mA0%3% TPS62229 1.7v V I =2.5vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V O Fixedoutputvoltage V I =2.5vto6.0v,i O =0mA0%3% TPS62222 1.8v V I =2.5vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V I =2.5vto6.0v,i O =0mA0%3% TPS62228 1.875v V I =2.5vto6.0v,0ma ≤ I O ≤ 400ma-3%3% V I =2.7vto6.0v,i O =0mA0%3% TPS62223 2.3v V I =2.7vto6.0v,0ma ≤ I O ≤ 400ma-3%3% LineregulationV I =2.5vto6.0v,i O =10ma0.26%/v LoadregulationI O =100mato400ma0.0014%/毫安 I lkg leakagecurrentintoswpinvin>vout,0v ≤ Vsw ≤ vin0.11µa I lkg (rev)reverseleakagecurrentintopinswvin=打开,en=地,v SW =6.0v0.11µa (1)foroutputvoltages ≤ 1.2v,a22-µfoutputcapacitorvalueisrequiredtoachieveamaximumoutputvoltageaccuracyof3%while operatinginpower-savemode(pfmmode).foroutputvoltages ≥ 2v,aninductorof10µhandanoutputcapacitorof ≥ 10µFis 推荐.seethe ApplicationInformation sectionforexternalcomponents. 3

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