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SPX1521T-5-0 [SIPEX]

300mA Low Dropout Voltage Regulator; 300mA低压差稳压器
SPX1521T-5-0
型号： SPX1521T-5-0
厂家： SIPEX CORPORATION    SIPEX CORPORATION
描述：

300mA Low Dropout Voltage Regulator
300mA低压差稳压器

线性稳压器IC 调节器 电源电路 输出元件
文件： 总8页 (文件大小：596K)
中文：  中文翻译
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Solved by  
SPX1521  
TM  
300mA Low Dropout Voltage Regulator  
FEATURES  
■ ꢀ%ꢁOutputꢁAccuracyꢁ3.3V,ꢁ5V,ꢁꢁ  
SPX1521  
3 Pin TO-263  
atꢁ300mAꢁOutputꢁ  
■ VeryꢁLowꢁQuiescentꢁCurrentꢁ  
1
2
3
■ 0.3Vꢁ(Typ.)ꢁDropoutꢁVoltageꢁatꢁ300mA  
■ ExtremelyꢁTightꢁLoadꢁandꢁLineꢁRegulation  
■ Currentꢁ&ꢁThermalꢁLimitingꢁ  
VOUT  
VIN  
GND  
■ ReverseꢁBatteryꢁProtection  
■ EquivalentꢁReplacementꢁForꢁLTꢀ52ꢀ  
■ AvailableꢁinꢁRoHSꢁCompliant,ꢁLeadꢁFreeꢁPackages:ꢁꢁ  
TO-252,ꢁSOT-223,ꢁTO-220ꢁ&ꢁTO-263  
DESCRIPTION  
TheꢁSPXꢀ52ꢀꢁisꢁaꢁlowꢁpowerꢁvoltageꢁregulator.ꢁThisꢁdeviceꢁisꢁanꢁexcellentꢁchoiceꢁforꢁuseꢁinꢁbattery-  
poweredꢁapplicationsꢁsuchꢁasꢁcordlessꢁtelephones,ꢁradioꢁcontrolꢁsystems,ꢁandꢁportableꢁcomputers.ꢁ  
TheꢁSPXꢀ52ꢀꢁfeaturesꢁveryꢁlowꢁquiescentꢁcurrentꢁandꢁveryꢁlowꢁdropoutꢁvoltage.ꢁꢁThisꢁincludesꢁaꢁtightꢁ  
initial tolerance of ±1% max, and very low output temperature coefficient, making the SPX1521 useful  
asꢁaꢁlow-powerꢁvoltageꢁreference.  
TheꢁSPXꢀ52ꢀꢁisꢁofferedꢁinꢁ3ꢁpinꢁTO-252,ꢁSOT-223,ꢁTO-220ꢁ&ꢁTO-263ꢁpackages.ꢁ  
TYPICAL APPLICATIONS CIRCUIT  
IIN  
5V  
VOUT  
OUT  
IN  
IL  
SPX1521  
LOAD  
+
+
2.2µF  
0.1µF  
GND  
IG  
IIN = IL + IG  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
ꢀ
                                                                                  
                                                                                                                                                                      
                                                                        
ABSOLUTE MAXIMUM RATINGS  
PowerꢁDissipationꢁ........................................................ InternallyꢁLimitedꢁ  
LeadꢁTemp.ꢁ(Soldering,ꢁ5ꢁSeconds).............................................. 260°C  
StorageꢁTemperatureꢁRange.........................................-65°Cꢁtoꢁ+ꢀ50°C  
ShutdownꢁInputꢁVoltage...................................................-0.6Vꢁtoꢁ+6.5V  
ESDꢁRating................................................................................2kVꢁMin  
OperatingꢁJunctionꢁTemperatureꢁRangeꢁꢁ......................-40°Cꢁtoꢁ+ꢀ25°C  
ꢁꢁꢁꢁꢁꢁInputꢁSupplyꢁVoltage...................................................ꢁ-20Vꢁtoꢁ+20V  
ELECTRICAL CHARACTERISTICS  
ElectricalꢁcharacteristicsꢁatꢁVINꢁ=ꢁ6V,ꢁIOꢁ=ꢁꢀmA,ꢁCOUTꢁ=ꢁ2.2µF,ꢁꢁTA= 25°C, unless otherwise specified.  
Boldfaceꢁappliesꢁoverꢁtheꢁfullꢁoperatingꢁtemperatureꢁrange.  
ꢁPARAMETER  
CONDITIONS  
(Note 2)  
TYP  
MIN  
MAX  
UNITS  
3.3V Version  
ꢁ OutputꢁVoltageꢁ  
ꢁ
3.3ꢁ  
3.3  
ꢀ6ꢁ  
3.267ꢁ  
3.217  
ꢁ
3.333ꢁ  
3.382  
25ꢁ  
Vꢁ  
µA  
ꢁ
ꢁ ꢁ  
ꢀmA ≤ ILꢁ≤ 300mAꢁ  
ReverseꢁOutputꢁCurrentꢁ  
VOUT=ꢁ3.3V,ꢁVIN=ꢁ0Vꢁ  
ꢁ 5.0V Versionꢁ  
ꢁ OutputꢁVoltageꢁ  
ꢁ
5.0ꢁ  
5.0  
ꢀ6ꢁ  
4.950ꢁ  
4.880  
ꢁ
5.050ꢁ  
5.120  
25ꢁ  
Vꢁ  
ꢁ ꢁ  
ꢀmA ≤ ILꢁ≤ 300mAꢁ  
ꢁ ReverseꢁOutputꢁCurrentꢁ  
VOUT=ꢁ5.0V,ꢁVIN=ꢁ0Vꢁ  
µA  
All Voltage Options  
ꢁ OutputꢁVoltageꢁ  
ꢁ
20ꢁ  
ꢁ
100ꢁ  
ppm/°Cꢁ  
Temperature Coefficient  
(Note1)  
Line Regulation  
6V ≤ VINꢁ≤ 20V (Note 4)  
1.5  
4ꢁ  
20  
20ꢁ  
30  
mVꢁ  
mVꢁ  
ꢁ LoadꢁRegulationꢁ(Noteꢁ3)ꢁ  
IL=ꢀꢁtoꢁ300mAꢁ  
ꢁ
ꢁ ꢁ  
ꢁ
ꢁ
ꢁ
ꢁ DropoutꢁVoltageꢁ(Noteꢁ5)ꢁ  
IL=ꢀmAꢁ  
0.ꢀ3ꢁ  
ꢁ
ꢁ
0.ꢀ7ꢁ  
0.25ꢁ  
0.55ꢁ  
0.70  
150ꢁ  
500  
3ꢁ  
Vꢁ  
ꢁ ꢁ  
ꢁ
ꢁ
ꢁ ꢁ  
IL=300mAꢁ  
0.30ꢁ  
ꢁ
ꢁ
ꢁ ꢁ  
ꢁ
ꢁ
GroundꢁCurrentꢁ  
IL=ꢀmAꢁ  
100ꢁ  
350ꢁ  
1.5ꢁ  
2ꢁ  
ꢁ
µAꢁ  
ꢁ ꢁ  
IL=ꢀ0mAꢁ  
ꢁ
ꢁ ꢁ  
IL=50mAꢁ  
ꢁ
mAꢁ  
ꢁ ꢁ  
IL=ꢀ00mAꢁ  
ꢁ
6ꢁ  
ꢁ ꢁ  
IL=300mAꢁ  
5ꢁ  
ꢁ
ꢁ
14  
ꢁ CurrentꢁLimitꢁ  
VOUT=0ꢁ  
330ꢁ  
58ꢁ  
500  
ꢁ
mA  
dBꢁ  
ꢁ RippleꢁRejectionꢁ  
VINꢁ-VOUT=ꢀV(Avg),ꢁꢁ  
ꢁVRIPPLE=0.5Vp-p,ꢁ  
FRIPPLE=ꢀ20Hz,ꢁILOAD=ꢀ50mA  
50ꢁ  
ꢁ ꢁ  
ꢁ ꢁ  
ꢁ InputꢁReverseꢁLeakageꢁCurrentꢁ VIN=ꢁ-20V,ꢁVOUT=0Vꢁ  
ꢁ
ꢁ
1.0ꢁ  
mA  
Note 1: Output or reference voltage temperature coefficients defined as the worst case voltage change divided  
ꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁbyꢁtheꢁtotalꢁtemperatureꢁrange.  
Note 2: Unless otherwise specified all limits are guaranteed for Tꢁ=ꢁ25°C,ꢁVINꢁ=ꢁ6V,ꢁILꢁ=ꢁꢀmAꢁandꢁCLꢁ=ꢁ2.2µF.ꢁꢁ  
Note 3:ꢁꢁRegulationꢁisꢁmeasuredꢁatꢁconstantꢁjunctionꢁtemperaturej,ꢁusingꢁpulseꢁtestingꢁwithꢁaꢁlowꢁdutyꢁcycle.ꢁꢁ  
ꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁChanges in output voltage due to heating effects are covered under the specification for thermal regulation.  
Note 4:ꢁꢁLineꢁregulationꢁforꢁtheꢁSPXꢀ52ꢀꢁisꢁtestedꢁatꢁ25°CꢁforꢁILꢁ=ꢁꢀꢁmA.ꢁForꢁTJꢁ=ꢁꢀ25°C,ꢁlineꢁregulationꢁis  
ꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁguaranteedꢁbyꢁdesign.  
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV  
ꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁꢁbelowꢁitsꢁnominalꢁvalueꢁmeasuredꢁatꢁꢀVꢁdifferential.ꢁ  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
2
APPLICATION INFORMATION  
External Capacitors  
Theꢁ stabilityꢁ ofꢁ theꢁ SPXꢀ52ꢀꢁ requiresꢁ aꢁ  
2.2µFꢁorꢁgreaterꢁcapacitorꢁbetweenꢁoutputꢁ  
andꢁground.ꢁOscillationꢁcouldꢁoccurꢁwithoutꢁ  
thisꢁ capacitor.ꢁ ꢁ Mostꢁ typesꢁ ofꢁ tantalumꢁ orꢁ  
aluminum electrolytic works fine here. For  
operationsꢁofꢁbelowꢁ-25°Cꢁsolidꢁtantalumꢁisꢁ  
recommendedꢁ sinceꢁ theꢁ manyꢁ aluminumꢁ  
typesꢁhaveꢁelectrolytesꢁthatꢁfreezeꢁatꢁaboutꢁ  
-30°C. The ESR of about 5Ω or less and  
resonantꢁfrequencyꢁaboveꢁ500kHzꢁareꢁtheꢁ  
mostꢁimportantꢁparametersꢁinꢁtheꢁvalueꢁofꢁ  
theꢁcapacitor.ꢁꢁTheꢁcapacitorꢁvalueꢁcanꢁbeꢁ  
increasedꢁwithoutꢁlimit.  
Ifꢁthereꢁisꢁmoreꢁthanꢁꢀ0ꢁinchesꢁofꢁwireꢁbe-  
tween the input and the AC filter capacitor,  
orꢁifꢁaꢁbatteryꢁisꢁusedꢁasꢁtheꢁinput,ꢁthenꢁaꢁ  
0.ꢀµFꢁ tantalumꢁ orꢁ aluminumꢁ electrolyticꢁ  
capacitorꢁshouldꢁbeꢁplacedꢁfromꢁtheꢁinputꢁ  
toꢁtheꢁground.  
Reducing Output Noise  
ItꢁmayꢁbeꢁanꢁadvantageꢁtoꢁreduceꢁtheꢁACꢁ  
noiseꢁpresentꢁatꢁtheꢁoutput.ꢁOneꢁwayꢁisꢁtoꢁre-  
duceꢁtheꢁregulatorꢁbandwidthꢁbyꢁincreasingꢁ  
theꢁsizeꢁofꢁtheꢁoutputꢁcapacitor.ꢁꢁIncreasingꢁ  
theꢁcapacitorꢁfromꢁꢀµFꢁtoꢁ220µFꢁonlyꢁde-  
creasesꢁtheꢁnoiseꢁfromꢁ430µVꢁtoꢁꢀ60µVrmsꢁ  
forꢁaꢁꢀ00kHzꢁbandwidthꢁatꢁ5Vꢁoutput.ꢁ  
Theꢁ SPXꢀ52ꢀ,ꢁ unlikeꢁ otherꢁ lowꢁ dropoutꢁ  
regulatorsꢁwillꢁremainꢁstableꢁandꢁinꢁregula-  
tionꢁwithꢁnoꢁloadꢁinꢁadditionꢁtoꢁtheꢁinternalꢁ  
voltageꢁ divider.ꢁ ꢁThisꢁ featureꢁ isꢁ especiallyꢁ  
importantꢁinꢁapplicationsꢁlikeꢁCMOSꢁRAMꢁ  
keep-alive.ꢁ  
PINOUTS  
Note:ꢁTabꢁisꢁconnectedꢁtoꢁGND  
TO-252 (R)  
TO-263-3 (T)  
TO-220-3 (U)  
SPX1521  
SOT-223 (M3)  
3
2
1
VIN  
SPX1521  
SPX1521  
GND  
VOUT  
1
2
3
1
3
2
1
2
3
VIN GND VOUT  
Front View  
Top View  
VOUT GND VIN  
Top View  
VOUT  
VIN  
GND  
ThermalꢁResistanceꢁ(ThetaꢁJA)  
Front View  
SOT-223ꢁ------62.3ºC/W  
TO-262ꢁꢁꢁ------3ꢀ.4ºC/W  
TO-220ꢁꢁꢁ------29.4ºC/W  
TO-252ꢁꢁꢁ------50.0ºC/W  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
3
PACKAGE: 3 PIN TO-263  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
4
PACKAGE: 3 PIN TO-220  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
5
PACKAGE: 3 PIN TO-252  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
6
PACKAGE: 3 PIN SOT223  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
7
ORDERING INFORMATION  
Package  
Code  
Part Number  
RoHS Status Pack Type Pack Qty  
SPXꢀ52ꢀM3-L-3-3  
SPXꢀ52ꢀM3-L-5-0  
SPXꢀ52ꢀM3-L-5-0/TR  
▪
▪
▪
Active  
Active  
Active  
SOT-223-3  
SOT-223-3  
SOT-223-3  
TO-252  
Tube  
Tube  
78  
78  
Tapeꢁ&ꢁReel  
Tube  
2500  
77  
SPXꢀ52ꢀR-3-3  
SPXꢀ52ꢀT-L-5-0  
SPXꢀ52ꢀR-3-3/TR  
SPXꢀ52ꢀR-5-0  
EOL  
EOL  
OBS  
OBS  
▪
TO-263-3  
TO-252  
Tube  
50  
Tapeꢁ&ꢁReel  
Tube  
2500  
77  
TO-252  
SPXꢀ52ꢀR-5-0/TR  
SPXꢀ52ꢀR-L-3-3  
SPXꢀ52ꢀR-L-3-3/TR  
SPXꢀ52ꢀR-L-5-0  
SPXꢀ52ꢀR-L-5-0/TR  
SPXꢀ52ꢀT-3-3  
OBS  
OBS  
OBS  
OBS  
OBS  
OBS  
Tapeꢁ&ꢁReel  
Tube  
2500  
77  
TO-252  
▪
▪
▪
▪
TO-252  
TO-252  
Tapeꢁ&ꢁReel  
Tube  
2500  
77  
TO-252  
TO-252  
Tapeꢁ&ꢁReel  
Tube  
2500  
50  
TO-263-3  
TO-263-3  
TO-263-3  
TO-263-3  
TO-263-3  
TO-263-3  
TO-263-3  
TO-220-3  
TO-220-3  
TO-220-3  
TO-220-3  
SPXꢀ52ꢀT-3-3/TR  
SPXꢀ52ꢀT-5-0  
OBS  
OBS  
Tapeꢁ&ꢁReel  
Tube  
500  
50  
SPXꢀ52ꢀT-5-0/TR  
SPXꢀ52ꢀT-L-3-3  
SPXꢀ52ꢀT-L-3-3/TR  
SPXꢀ52ꢀT-L-5-0/TR  
SPXꢀ52ꢀU-3-3  
OBS  
OBS  
OBS  
OBS  
OBS  
Tapeꢁ&ꢁReel  
Tube  
500  
50  
▪
▪
▪
Tapeꢁ&ꢁReel  
Tapeꢁ&ꢁReel  
Tube  
500  
500  
50  
SPXꢀ52ꢀU-5-0  
SPXꢀ52ꢀU-L-3-3  
SPXꢀ52ꢀU-L-5-0  
OBS  
OBS  
OBS  
Tube  
50  
▪
▪
Tube  
50  
Tube  
50  
Sipex Corporation  
Solved by  
Headquarters and  
Sales Office  
233ꢁSouthꢁHillviewꢁDrive  
Milpitas,ꢁCAꢁ95035  
TM  
TEL:ꢁ(408)ꢁ934-7500  
FAX:ꢁ(408)ꢁ935-7600  
SipexꢁCorporationꢁreservesꢁtheꢁrightꢁtoꢁmakeꢁchangesꢁtoꢁanyꢁproductsꢁdescribedꢁherein.ꢁSipexꢁdoesꢁnotꢁassumeꢁanyꢁliabilityꢁarisingꢁoutꢁofꢁtheꢁap-  
plicationꢁorꢁuseꢁofꢁanyꢁproductꢁorꢁcircuitꢁdescribedꢁherein;ꢁneitherꢁdoesꢁitꢁconveyꢁanyꢁlicenseꢁunderꢁitsꢁpatentꢁrightsꢁnorꢁtheꢁrightsꢁofꢁothers.  
ꢁ Mayꢀ5-07ꢁ  
SPXꢀ52ꢀꢁ300mAꢁLowꢁDropoutꢁVoltageꢁRegulatorꢁ  
ꢁꢁꢁꢁꢁꢁ©ꢁ2007ꢁSipexꢁCorporation  
8

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