TPS62222DDC_集成电路资料查询网

www.德州仪器.com
FEATURESDESCRIPTION
产品
V
I
地
EN
SW
FB
C3
4.7
µ
F
L1
4.7
µ
H
C4
10
µ
F
TPS62220
V
I
2.5 v 至 6 v
V
O
1.5 v/400 毫安
R1
360 k
Ω
R2
180 k
Ω
C1
22 pf
C2
100 pf
1
2
3
5
4
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01 0.1 1 10 100 1000
V
O
= 1.8 v,
l = 4.7
µ
h,
C
O
= 22
µ
F
V
I
= 2.7 v
V
I
= 5 v
efficency − %
I
L
− 加载 电流 − 毫安
V
I
= 3.7 v
Typical应用 (可调整的 输出 voltage 版本)
tps62220,tps62221,tps62222
tps62223,tps62224
tps62228,tps62229
SLVS491C–SEPTEMBER2003–REVISEDSEPTEMBER2004
400-毫安,1.25-mhz,高-效率,步伐-downconverterinthin-sot23
•
高-efficiencysynchronousstep-downcon-
thetps6222xdevicesareafamilyofhigh-效率,
verterWithupto95%Efficiency
synchronousstep-downconvertersideallysuitedfor
portablesystemspoweredby1-cellli-ionor3-cell
•
2.5-vto6.0-vinputvoltagerange
nimh/nicdbatteries.thedevicesarealsosuitableto
•
adjustableoutputvoltagerangefrom0.7v
operatefromastandard3.3-vor5-vvoltagerail.
toV
I
withanoutputvoltagerangeof6.0vdownto0.7v
•
FixedOutputVoltageOptionsAvailable
andupto400-maoutputcurrent,thedevicesare
•
upto400-maoutputcurrent
idealtopowerlowvoltageDSPsandprocessors
•
1.25-mhzfixedfrequencypwmoperation
usedinpdas,pocketpcs,andsmartphones.下面
nominalloadcurrent,thedevicesoperatewithafixed
•
HighestEfficiencyOverWideLoadCurrent
switchingfrequencyoftypically1.25mhz.atlight
rangeduetopower-savemode
loadcurrents,thepartentersthepower-savemode
•
15-µatypicalquiescentcurrent
运作;theswitchingfrequencyisreducedandthe
•
SoftStart
quiescentcurrentistypicallyonly15µa;因此,
thedeviceachievesthehighestefficiencyoverthe
•
100%dutycyclelow-dropoutoperation
entireloadcurrentrange.thetps6222xneedsonly
•
dynamicoutput-voltagepositioning
threesmallexternalcomponents.togetherwiththe
•
AvailableinTSOT23Package
tinytsot23package,aminimumsystemsolution
sizecanbeachieved.anadvancedfastresponse
voltagemodecontrolschemeachievessuperiorline
andloadregulationwithsmallceramicinputand
•
PDAsandPocketPC
outputcapacitors.
•
cellularphones,smartphones
•
OMAP™andLowPowerDSPSupply
•
DigitalCameras
•
PortableMediaPlayers
•
PortableEquipment
•
WLANPCCards
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
omapisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.

标　题:
内　容:
用户名:

手机号:	(*未登录用户需填写手机号,手机号不公开,可用于网站积分.)

本平台电子爱好着纯手工中文简译:	截至2020/5/17日,支持英文词汇500个

www.德州仪器.com FEATURESDESCRIPTION 产品 V I 地 EN SW FB C3 4.7 µ F L1 4.7 µ H C4 10 µ F TPS62220 V I 2.5 v 至 6 v V O 1.5 v/400 毫安 R1 360 k Ω R2 180 k Ω C1 22 pf C2 100 pf 1 2 3 5 4 40 45 50 55 60 65 70 75 80 85 90 95 100 0.01 0.1 1 10 100 1000 V O = 1.8 v, l = 4.7 µ h, C O = 22 µ F V I = 2.7 v V I = 5 v efficency − % I L − 加载电流 − 毫安 V I = 3.7 v Typical应用 (可调整的输出 voltage 版本) tps62220,tps62221,tps62222 tps62223,tps62224 tps62228,tps62229 SLVS491C–SEPTEMBER2003–REVISEDSEPTEMBER2004 400-毫安,1.25-mhz,高-效率,步伐-downconverterinthin-sot23 • 高-efficiencysynchronousstep-downcon- thetps6222xdevicesareafamilyofhigh-效率, verterWithupto95%Efficiency synchronousstep-downconvertersideallysuitedfor portablesystemspoweredby1-cellli-ionor3-cell • 2.5-vto6.0-vinputvoltagerange nimh/nicdbatteries.thedevicesarealsosuitableto • adjustableoutputvoltagerangefrom0.7v operatefromastandard3.3-vor5-vvoltagerail. toV I withanoutputvoltagerangeof6.0vdownto0.7v • FixedOutputVoltageOptionsAvailable andupto400-maoutputcurrent,thedevicesare • upto400-maoutputcurrent idealtopowerlowvoltageDSPsandprocessors • 1.25-mhzfixedfrequencypwmoperation usedinpdas,pocketpcs,andsmartphones.下面 nominalloadcurrent,thedevicesoperatewithafixed • HighestEfficiencyOverWideLoadCurrent switchingfrequencyoftypically1.25mhz.atlight rangeduetopower-savemode loadcurrents,thepartentersthepower-savemode • 15-µatypicalquiescentcurrent 运作;theswitchingfrequencyisreducedandthe • SoftStart quiescentcurrentistypicallyonly15µa;因此, thedeviceachievesthehighestefficiencyoverthe • 100%dutycyclelow-dropoutoperation entireloadcurrentrange.thetps6222xneedsonly • dynamicoutput-voltagepositioning threesmallexternalcomponents.togetherwiththe • AvailableinTSOT23Package tinytsot23package,aminimumsystemsolution sizecanbeachieved.anadvancedfastresponse voltagemodecontrolschemeachievessuperiorline andloadregulationwithsmallceramicinputand • PDAsandPocketPC outputcapacitors. • cellularphones,smartphones • OMAP™andLowPowerDSPSupply • DigitalCameras • PortableMediaPlayers • PortableEquipment • WLANPCCards pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet. omapisatrademarkoftexasinstruments. productiondatainformationiscurrentasofpublicationdate. copyright©2003–2004,texasinstrumentsincorporated ProductsconformtospecificationsperthetermsoftheTexas instrumentsstandardwarranty.productionprocessingdoesnot necessarilyincludetestingofallparameters.

	电话：13410210660 QQ : 84325569
	联系方式： E-mail:CaiZH01@163.com