lm317中文资料pdf及电路图new

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1、ÓÉFoxitPDFEditor±à¼•°æȨËùÓÐ(c)byFoxitSoftwareCompany,2004½öÓÃÓÚÆÀ¹À¡£YW-UTC3173-TERMINAL1APOSITIVEADJUSTABLEVOLTAGEREGULATORDESCRIPTIONTheUTC317isanadjustable3-terminalpositivevoltageregulatordesignedtosupplymorethan1.5Aofoutputcurrentwithvoltageadjustablefrom1.3Vto37V
1FEATURES
*Out

2、putcurrentupto1.5AYW--UTC317*Outputvoltageadjustablefrom1.3Vto37V*Internalshortcircuitprotection*InternalovertemperatureprotectionTO-220*Safe-Areacompensationforoutputtransistor1:ADJ;2:OUTPUT;3:INPUT
BLOCKDIAGRAMINPUTPROTECTIONVREFCIRCUITOUTPUTVAdj
















ABSOLUTEMAXIMUNRATING

3、S
Ta=25°C,UNLESSOTHERWISESPECIFIED




PARAMETERSSYMBOLRATINGUNITSInput-OutputVoltageDifferenceVI-VO40VLeadTemperatureTLEAD230°CPowerDissipationPDInternallimited
OperatingTemperatureRangeTOPR0~+125°CStorageTemperatureRangeTSTG-65~+150°Cwww.ic-jiazhi.comTel:4006608382ÓÉFoxitPDFEditor±à

4、¼•°æȨËùÓÐ(c)byFoxitSoftwareCompany,2004½öÓÃÓÚÆÀ¹À¡£YW-UTC317ELECTRICALCHARACTERISTICS
VI-VO=5V,0°C

5、.07Ta=25°CVO£6V1825mVLoadRegulationDVO10mA£IO£IMAXVO£5V0.40.5%/VO10mA£IO£IMAXVO£5V4070mVVO£6V0.81.5%/VOAdjustablePincurrentIADJ46100mAAdjustablePinCurrentDIADJ2.5V£VI-VO£40V,2.05mAChange10mA£Io£IMAX,PD£PMAXReferenceVoltageVREF3V£VI-VO£40V,1.201.251.30V10mA£IO£IMAX,PD£PMAXTemperatureSta

6、bilitySTT0.7%/VOMinimumLoadCurrentIL(MIN)VI-VO=40V3.510mAforregulationMaximumoutputIO(MAX)VI-VO£15V,PD£PMAX1.52.2ACurrentVI-VO£15V,PD£PMAX,Ta=25°C0.150.4RMSNoisev.s.eNTA=25°C,10HZ£f£10KHZ0.0030.01%/VO%ofVoutRippleRejectionRRVO=10V,f=120HZ,CADJ=060dBVO=10V,f=120HZ,CADJ=10mF6675Long-term

7、Stability,STTA=25°C,1000hr0.31%TJ=THIGHJunctiontoCaseRqJC5°C/WThermalResistanceNote:Testingwithlowdutypulseshouldbeusedtoavoidheatingeffect.www.ic-jiazhi.comTel:400








66083822ÓÉFoxitPDFEditor±à¼•°æȨËùÓÐ(c)byFoxitSoftwareCompany,2004½öÓÃÓÚÆÀ¹À¡£YW-UTC317TYPICALCHARACTERISTICSPE