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LTC11551Formoreinformationwww.
analog.
comDocumentFeedbackAllregisteredtrademarksandtrademarksarethepropertyoftheirrespectiveowners.
TYPICALAPPLICATIONFEATURESDESCRIPTIONDualHighSideMicropowerMOSFETDriverTheLTC1155dualhighsidegatedriverallowsusinglowcostN-channelFETsforhighsideswitchingapplications.
Aninternalchargepumpbooststhegateabovetheposi-tiverail,fullyenhancinganN-channelMOSFETwithnoexternalcomponents.
Micropoweroperation,with8Astandbycurrentand85Aoperatingcurrent,allowsuseinvirtuallyallsystemswithmaximumefficiency.
Includedon-chipisovercurrentsensingtoprovideau-tomaticshutdownincaseofshortcircuits.
Atimedelaycanbeaddedinserieswiththecurrentsensetopreventfalsetriggeringonhighin-rushloadssuchascapacitorsandincandescentlamps.
TheLTC1155operatesoffofa4.
5Vto18VsupplyinputandsafelydrivesthegatesofvirtuallyallFETs.
TheLTC1155iswellsuitedforlowvoltage(battery-powered)applica-tions,particularlywheremicropower"sleep"operationisrequired.
TheLTC1155isavailableinboth8-pinPDIPand8-pinSOpackages.
APPLICATIONSnFullyEnhancesN-ChannelPowerMOSFETsn8AStandbyCurrentn85AONCurrentnShort-CircuitProtectionnWidePowerSupplyRange:4.
5Vto18VnControlledSwitchingONandOFFTimesnNoExternalChargePumpComponentsnReplacesP-ChannelHighSideMOSFETsnCompatiblewithStandardLogicFamiliesnAvailablein8-PinSOPackagenLaptopPowerBusSwitchingnSCSITerminationPowerSwitchingnCellularPhonePowerManagementnP-ChannelSwitchReplacementnRelayandSolenoidDriversnLowFrequencyHalfH-BridgenMotorSpeedandTorqueControl1155TA01RSEN0.
02ΩCDLY0.
1F10F5AMAXRDLY100kPOWERBUSPSYSTEMDISKDRIVEDISPLAYPRINTER,ETC.
LTC1155TTL,CMOSINPUTTTL,CMOSINPUTGNDGNDIN1IN2G2DS2VSDS1G1VS=4.
5VTO5.
5VCDLY0.
1FRSEN0.
02ΩRDLY100k*SURFACEMOUNT*IRLR0345AMAX*IRLR034+OUTPUTCURRENT(A)00.
00VOLTAGEDROP(V)0.
050.
100.
150.
200.
251231155TA02SwitchVoltageDropLaptopComputerPowerBusSwitchwithShort-CircuitProtectionLTC11552Formoreinformationwww.
analog.
comABSOLUTEMAXIMUMRATINGSSupplyVoltage.
22VInputVoltage.
VS+0.
3V)to(GND–0.
3V)GateVoltage.
VS+24V)to(GND–0.
3V)Current(AnyPin)50mAStorageTemperatureRange.
65°Cto150°C(Note1)OperatingTemperatureRangeLTC1155C.
0°Cto70°CLTC1155I.
40°Cto85°CLTC1155M(OBSOLETE)55°Cto125°CLeadTemperatureRange(Soldering,10sec.
300°CORDERINFORMATIONLEADFREEFINISHTAPEANDREELPARTMARKING*PACKAGEDESCRIPTIONTEMPERATURERANGELTC1155CN8#PBFLTC1155CN8#TRPBF8-LeadPDIP0°Cto70°CLTC1155IN8#PBFLTC1155IN8#TRPBF8-LeadPDIP–40°Cto85°COBSOLETEPACKAGELTC1155CJ8#PBFLTC1155CJ8#TRPBF8-LeadCERDIP0°Cto70°CLTC1155MJ8#PBFLTC1155MJ8#TRPBF8-LeadCERDIP–55°Cto125°CLTC1155CS8#PBFLTC1155CS8#TRPBF11558-LeadPlasticSO0°Cto70°CLTC1155IS8#PBFLTC1155IS8#TRPBF1155I8-LeadPlasticSO–40°Cto85°CContactthefactoryforpartsspecifiedwithwideroperatingtemperatureranges.
*Thetemperaturegradeisidentifiedbyalabelontheshippingcontainer.
Tapeandreelspecifications.
Somepackagesareavailablein500unitreelsthroughdesignatedsaleschannelswith#TRMPBFsuffix.
PINCONFIGURATION12348765TOPVIEWDS1G1GNDIN1DS2G2VSIN2J8PACKAGE8-LEADCERDIPTJMAX=150°C,θJA=100°C/W(J8)OBSOLETEPACKAGE12348765TOPVIEWDS1G1GNDIN1DS2G2VSIN2N8PACKAGE8-LEADPDIPTJMAX=100°C,θJA=130°C/W(N8)12348765TOPVIEWDS2G2VSIN2DS1G1GNDIN1S8PACKAGE8-LEADPLASTICSOTJMAX=100°C,θJA=150°C/WLTC11553Formoreinformationwww.
analog.
comELECTRICALCHARACTERISTICSTheldenotesthespecificationswhichapplyoverthefulloperatingtemperaturerange,otherwisespecificationsareatTA=25°C.
VS=4.
5Vto18V,unlessotherwisenoted.
SYMBOLPARAMETERCONDITIONSLTC1155M(OBSOLETE)LTC1155C/LTC1155IUNITSMINTYPMAXMINTYPMAXVSSupplyVoltagel4.
5184.
518VIQQuiescentCurrentOFFVIN=0V,VS=5V(Note2)820820AQuiescentCurrentONVS=5V,VIN=5V(Note3)8512085120AQuiescentCurrentONVS=12V,VIN=5V(Note3)180400180400AVINHInputHighVoltagel2.
02.
0VVINLInputLowVoltagel0.
80.
8VIINInputCurrent0VVS+2VTimeforVGATE>VS+5V50200250110075020005020025011007502000ssVS=12V,CGATE=1000pFTimeforVGATE>VS+5VTimeforVGATE>VS+10V501201804505001200501201804505001200sstOFFTurnOFFTimeVS=5V,CGATE=1000pFTimeforVGATE0.
1mH)mayrequirediodescon-necteddirectlyacrosstheinductortosafelydivertthestoredenergytoground.
Manyinductiveloadshavethesediodesincluded.
Ifnot,adiodeofthepropercurrentrat-ingshouldbeconnectedacrosstheloadtosafelydivertthestoredenergy.
Reverse-BatteryProtectionTheLTC1155canbeprotectedagainstreverse-batteryconditionsbyconnectingaresistorinserieswiththegroundleadasshowninFigure5.
Theresistorlimitsthesupplycurrenttolessthan50mAwith–12Vapplied.
SincetheLTC1155drawsverylittlecurrentwhileinnormaloperation,thedropacrossthegroundresistorisminimal.
TheTTLorCMOSdrivinglogicisprotectedagainstreverse-batteryconditionsbythe100kinputcurrentlimitingresistor.
Theadditionof100kresistanceinserieswiththeinputpinwillnotaffecttheturnONandturnOFFtimeswhicharedominatedbythecontrolledgatechargeanddischargeperiods.
1155F05LOADLTC1155GNDGNDG1DS1VSIN1VS=4.
5VTO18VCDLYRSENRDLY100k5V300Ω1/4W10F25V+Figure5.
ReverseBatteryProtectionFigure6.
OvervoltageShutdownandProtection1155F06LOADLTC1155GNDGNDG1DS1VSIN1VS=4.
5VTO18V510Ω10k1N414818VLTC115510Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSDual2AAutoresetElectronicFuse1155TA030.
03Ω10F1/2SI9956DY30kLTC1155GNDIN1IN2DS2VSDS10.
03ΩG2G10.
1F30k0.
1F5V100k1/2SI9956DY1N41481N4148OUT1OUT2100k750k1.
0FLMC555612384fO=1HzALLCOMPONENTSSHOWNARESURFACEMOUNT+HighSideDriverwithVDSSenseShort-CircuitShutdown1155TA041/2LTC1155GNDG1DS1VSIN14.
5VTO6V30k270k5V10FLOAD0.
01F*IRLZ24*ANY74COR74HCLOGICGATE.
MOSFETSHUTSDOWNIFVDS>1V+LTC115511Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSX-NORFaultDetectionLowSideDriverwithDrainEndCurrentSensingLowSideDriverwithSourceEndCurrentSensingTruthTableINOUTCONDITIONFLT00SwitchOFF110ShortCircuit001OpenLoad011SwitchON11155TA051/2LTC1155GNDG1DS1VSIN14.
5VTO6V0.
1Ω100k10FLOADIRLD024FAULT10k74C266+1155TA071/2LTC1155GNDG1DS1VSIN15V51Ω10FLOADSMP25N05*DONOTSUBSTITUTE.
MUSTBEAPRECISION,SINGLESUPPLY,MICROPOWEROPAMP(IQ<60A)–+51Ω0.
02Ω5%LT1077*VLOAD67324+1155TA061/2LTC1155GNDG1DS1VSIN15V0.
05Ω5%10FLOADSMP25N05+LTC115512Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSUsingtheSecondChannelforFaultDetectionAutomotiveHighSideDriverwithReverse-BatteryandHighVoltageTransientProtection1155TA081/2LTC1155GNDG1DS1VSIN19VTO16V0.
02Ω5%10FVALVE,ETC.
MTP50N05E*PROTECTSTTL/CMOSGATESDURINGHIGHVOLTAGETRANSIENTORREVERSEBATTERY**NOTREQUIREDFORINDUCTIVEORRESISTIVELOADS5V100k*18V1N4746A18V1N4746ARDLY**CDLY**M300Ω1/4W+1155TA10LTC1155GNDG1DS2VSIN14.
5VTO5.
5V0.
05Ω10FLOADSMD25N05-45LNOTE:DRAINSENSE2ISUSEDTODETECTAFAULTINCHANNEL1.
GATE2PULLSDOWNONDRAINSENSE1TODISCHARGETHEMOSFETANDREPORTTHEFAULTTOTHEP*NOTREQUIREDFORRESISTIVEORINDUCTIVELOADS0.
1F*100kPORCONTROLLOGIC1N41481N414830k*IN2G2DS1FLTON/OFF100k+LTC115513Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSBootstrappedGateDrivefor(100Hz2VTO6V0.
02Ω10FIRLR024*CAPACITORESRSHOULDBELESSTHAN0.
5Ω300k0.
1FON/OFF100k0.
1F200pF10k1345678LT14315V/3A470F*FAULT++1155TA111/2LTC1155GNDG1DS1VSIN19VTO18V0.
01ΩIRFZ44RISEANDFALLTIMESAREβETATIMESFASTER30kPORCMOS/TTLLOGIC2N2222VGATE=2VS–0.
6V1N41480.
01F0.
1FLOAD5V18V2N3906LTC115514Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSHighEfficiency60HzFull-WaveSynchronousRectifierLogicControlledBoostModeSwitchingRegulatorwithShort-CircuitProtectionand8AStandbyCurrent1155TA121/2LTC1155GNDG1DS1VSIN14.
75VTO5.
25V0.
02Ω100FMTM25N05L*COILTRONICSCTX-7-520.
33FFROMP,ETC.
100k2200F54231LT1170FAULT1F1k50H*10.
7k1%1.
24k1%68F1N58205VSWITCHED12V/1A1N4148+++1155TA13LTC1155GNDIN2G2DS2VSDS1G1IN1IRFZ44*18V1N4746A1N4148**9V/3ADCIRFZ44*18V1N4746A1N4148**1N41481N414876432100k10F10k0.
03Ω1N400110k10Ω12.
6VCT110VAC100k4700F16VDSDSMOSFETsARESYNCHRONOUSLYENHANCEDWHENRECTIFIERCURRENTEXCEEDS300mA*NOHEATSINKREQUIRED.
CASES(DRAINS)CANBETIEDTOGETHER**INTERNALBODYDIODEOFMOSFET–+LT1006++LTC115515Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSPush-PullDriverwithShoot-ThroughCurrentLockout(fO<100Hz)HighEfficiency60HzFull-WaveSynchronousRectifier1155TA14LTC1155GNDIN2G2DS1VSDS2G1IN19V/3ADC4*IRFZ44*18V1N4746A**–+1N41481N414876432100k10Ω10k100k6.
3VAC110VAC4700F16VDSMOSFETsARESYNCHRONOUSLYENHANCEDWHENRECTIFIERCURRENTEXCEEDS300mA*NOHEATSINKREQUIRED**INTERNALBODYDIODEOFMOSFETLT100610k18V1N4746ADSDS****0.
03Ω+DS**1155TA15*OPPOSINGGATEMUSTDROPBELOW2VBEFORETHEOTHERISCHARGED0.
1F300k0.
01ΩLTC1155GNDIN2G2DS2VSDS1G1IN14.
5VTO6V1N4148100k5VHI/LO74HC0210FIRLZ24*VOUT1N4148100kIRFZ24*LTC115516Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSDCMotorSpeedandTorqueControlforCordlessToolsandAppliancesFullH-BridgeDriverwithShoot-ThroughCurrentLockoutandStallCurrentShutdown(fO<100Hz)1155TA16*OPPOSINGGATESAREHELDOFFUNTILOTHERGATESDROPBELOW1.
5V0.
1F100k0.
01ΩLTC1155GNDIN2G2DS2VSDS1G1IN14.
5VTO6V5V74HC0210FIRLZ44**DIRECTIONVN2222LIRFZ44MIRLZ44IRFZ44VN2222LDISABLE1155TA17SPEEDISPROPORTIONALTOPULSEWIDTH.
TORQUEISPROPORTIONALTOCURRENT0.
1F300k10kTORQUEADJUSTLTC1155GNDIN2G2DS2VSDS1G1IN11.
1k0.
1ΩIRFZ24SMALLDCAPPLIANCEORTOOLMOTOR1ATO10AMAX1M–+1/2LT1017100k120k10kSPEEDADJUST–+1/2LT10171M1M0.
0033F1M100Ω47F16V+6V100kM+LTC115517Formoreinformationwww.
analog.
comPACKAGEDESCRIPTIONJ80801.
014–.
026(0.
360–0.
660).
200(5.
080)MAX.
015–.
060(0.
381–1.
524).
1253.
175MIN.
100(2.
54)BSC.
300BSC(7.
62BSC).
008–.
018(0.
203–0.
457)0°–15°.
005(0.
127)MIN.
405(10.
287)MAX.
220–.
310(5.
588–7.
874)12348765.
025(0.
635)RADTYP.
045–.
068(1.
143–1.
650)FULLLEADOPTION.
023–.
045(0.
584–1.
143)HALFLEADOPTIONCORNERLEADSOPTION(4PLCS).
045–.
065(1.
143–1.
651)NOTE:LEADDIMENSIONSAPPLYTOSOLDERDIP/PLATEORTINPLATELEADSJ8Package8-LeadCERDIP(Narrow.
300Inch,Hermetic)(ReferenceLTCDWG#05-08-1110)OBSOLETEPACKAGELTC115518Formoreinformationwww.
analog.
comN8REVI0711.
065(1.
651)TYP.
045–.
065(1.
143–1.
651).
130±.
005(3.
302±0.
127).
020(0.
508)MIN.
018±.
003(0.
457±0.
076).
120(3.
048)MIN.
008–.
015(0.
203–0.
381).
300–.
325(7.
620–8.
255).
325+.
035–.
015+0.
889–0.
3818.
255()12348765.
255±.
015*(6.
477±0.
381).
400*(10.
160)MAXNOTE:1.
DIMENSIONSAREINCHESMILLIMETERS*THESEDIMENSIONSDONOTINCLUDEMOLDFLASHORPROTRUSIONS.
MOLDFLASHORPROTRUSIONSSHALLNOTEXCEED.
010INCH(0.
254mm).
100(2.
54)BSCNPackage8-LeadPDIP(Narrow.
300Inch)(ReferenceLTCDWG#05-08-1510RevI)SO8REVG0212.
053–.
069(1.
346–1.
752).
014–.
019(0.
355–0.
483)TYP.
004–.
010(0.
101–0.
254).
050(1.
270)BSC1234.
150–.
157(3.
810–3.
988)NOTE38765.
189–.
197(4.
801–5.
004)NOTE3.
228–.
244(5.
791–6.
197).
245MIN.
160±.
005RECOMMENDEDSOLDERPADLAYOUT.
045±.
005.
050BSC.
030±.
005TYP.
016–.
050(0.
406–1.
270).
010–.
020(0.
254–0.
508)*45°0°–8°TYP.
008–.
010(0.
203–0.
254)INCHES(MILLIMETERS)NOTE:1.
DIMENSIONSIN2.
DRAWINGNOTTOSCALE3.
THESEDIMENSIONSDONOTINCLUDEMOLDFLASHORPROTRUSIONS.
MOLDFLASHORPROTRUSIONSSHALLNOTEXCEED.
006"(0.
15mm)4.
PIN1CANBEBEVELEDGEORADIMPLES8Package8-LeadPlasticSmallOutline(Narrow.
150Inch)(ReferenceLTCDWG#05-08-1610RevG)PACKAGEDESCRIPTIONLTC115519Formoreinformationwww.
analog.
comREVISIONHISTORYREVDATEDESCRIPTIONPAGENUMBERC05/19ObsoletedCERDIPJ8package2,17(RevisionhistorybeginsatRevC)InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.
However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.
Specificationssubjecttochangewithoutnotice.
NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.
LTC115520Formoreinformationwww.
analog.
comANALOGDEVICES,INC.
199105/19www.
analog.
comRELATEDPARTSTYPICALAPPLICATIONSIsolatedHighVoltageHighSideSwitchwithCircuitBreakerIsolatedSolid-StateACRelaywithCircuitBreaker1155TA18LTC1155GNDIN2G2DS2VSDS1G1IN10.
1Ω1k6AMAX1k90V18V1N4746A4N281M1kCBE10mACONTROL0.
1F200V100pF1/674C146VTO12V100k10F25V1N41481N58171N4148MUR420M1N5817+2N22221155TA19LTC1155GNDIN2G2DS2VSDS1G1IN10.
05ΩIRFZ2418V1N4746A100k0.
0022F1/674C145V100k1N41481N581718V1N4746A0.
01F100k5.
6V1N4690AIN/OUTIN/OUT24VAC2AMAXIRFZ24100kON/OFF1/674C14300Ω600Ω0.
1F1F*PICOELECTRONICSF-28115OREQUIVALENTT1*IN/OUTON/OFFIN/OUT2AEQUIVALENTFUNCTION+PARTNUMBERDESCRIPTIONCOMMENTSLTC1153Auto-ResetElectronicCircuitBreakerProgrammableTripCurrent,FaultStatusOutputLT1161QuadProtectedHighSideMOSFETDriver8Vto48VSupplyRange,IndividualShort-CircuitProtectionLTC1163Triple1.
8Vto6VHighSideMOSFETDriver0.
01AStandbyCurrent,TripleDriverinSO-8PackageLTC1255Dual24VHighSideMOSFETDriverOperatesfrom9Vto24V,Short-CircuitProtectionLTC1477ProtectedMonolithicHighSideSwitchLowRDS(ON)0.
07ΩSwitch,2AShort-CircuitProtectedLTC1623SMBusDualHighSideSwitchController2-WireSMBusSerialInterface,Built-InGateChargePumpsLTC1710SMBusDualMonolithicHighSideSwitchTwoLowRDS(ON)0.
4Ω/300mASwitchesin8-LeadMSOPPackageLT1910ProtectedHighSideMOSFETDriver8Vto48VSupplyRange,FaultStatusOutput
analog.
comDocumentFeedbackAllregisteredtrademarksandtrademarksarethepropertyoftheirrespectiveowners.
TYPICALAPPLICATIONFEATURESDESCRIPTIONDualHighSideMicropowerMOSFETDriverTheLTC1155dualhighsidegatedriverallowsusinglowcostN-channelFETsforhighsideswitchingapplications.
Aninternalchargepumpbooststhegateabovetheposi-tiverail,fullyenhancinganN-channelMOSFETwithnoexternalcomponents.
Micropoweroperation,with8Astandbycurrentand85Aoperatingcurrent,allowsuseinvirtuallyallsystemswithmaximumefficiency.
Includedon-chipisovercurrentsensingtoprovideau-tomaticshutdownincaseofshortcircuits.
Atimedelaycanbeaddedinserieswiththecurrentsensetopreventfalsetriggeringonhighin-rushloadssuchascapacitorsandincandescentlamps.
TheLTC1155operatesoffofa4.
5Vto18VsupplyinputandsafelydrivesthegatesofvirtuallyallFETs.
TheLTC1155iswellsuitedforlowvoltage(battery-powered)applica-tions,particularlywheremicropower"sleep"operationisrequired.
TheLTC1155isavailableinboth8-pinPDIPand8-pinSOpackages.
APPLICATIONSnFullyEnhancesN-ChannelPowerMOSFETsn8AStandbyCurrentn85AONCurrentnShort-CircuitProtectionnWidePowerSupplyRange:4.
5Vto18VnControlledSwitchingONandOFFTimesnNoExternalChargePumpComponentsnReplacesP-ChannelHighSideMOSFETsnCompatiblewithStandardLogicFamiliesnAvailablein8-PinSOPackagenLaptopPowerBusSwitchingnSCSITerminationPowerSwitchingnCellularPhonePowerManagementnP-ChannelSwitchReplacementnRelayandSolenoidDriversnLowFrequencyHalfH-BridgenMotorSpeedandTorqueControl1155TA01RSEN0.
02ΩCDLY0.
1F10F5AMAXRDLY100kPOWERBUSPSYSTEMDISKDRIVEDISPLAYPRINTER,ETC.
LTC1155TTL,CMOSINPUTTTL,CMOSINPUTGNDGNDIN1IN2G2DS2VSDS1G1VS=4.
5VTO5.
5VCDLY0.
1FRSEN0.
02ΩRDLY100k*SURFACEMOUNT*IRLR0345AMAX*IRLR034+OUTPUTCURRENT(A)00.
00VOLTAGEDROP(V)0.
050.
100.
150.
200.
251231155TA02SwitchVoltageDropLaptopComputerPowerBusSwitchwithShort-CircuitProtectionLTC11552Formoreinformationwww.
analog.
comABSOLUTEMAXIMUMRATINGSSupplyVoltage.
22VInputVoltage.
VS+0.
3V)to(GND–0.
3V)GateVoltage.
VS+24V)to(GND–0.
3V)Current(AnyPin)50mAStorageTemperatureRange.
65°Cto150°C(Note1)OperatingTemperatureRangeLTC1155C.
0°Cto70°CLTC1155I.
40°Cto85°CLTC1155M(OBSOLETE)55°Cto125°CLeadTemperatureRange(Soldering,10sec.
300°CORDERINFORMATIONLEADFREEFINISHTAPEANDREELPARTMARKING*PACKAGEDESCRIPTIONTEMPERATURERANGELTC1155CN8#PBFLTC1155CN8#TRPBF8-LeadPDIP0°Cto70°CLTC1155IN8#PBFLTC1155IN8#TRPBF8-LeadPDIP–40°Cto85°COBSOLETEPACKAGELTC1155CJ8#PBFLTC1155CJ8#TRPBF8-LeadCERDIP0°Cto70°CLTC1155MJ8#PBFLTC1155MJ8#TRPBF8-LeadCERDIP–55°Cto125°CLTC1155CS8#PBFLTC1155CS8#TRPBF11558-LeadPlasticSO0°Cto70°CLTC1155IS8#PBFLTC1155IS8#TRPBF1155I8-LeadPlasticSO–40°Cto85°CContactthefactoryforpartsspecifiedwithwideroperatingtemperatureranges.
*Thetemperaturegradeisidentifiedbyalabelontheshippingcontainer.
Tapeandreelspecifications.
Somepackagesareavailablein500unitreelsthroughdesignatedsaleschannelswith#TRMPBFsuffix.
PINCONFIGURATION12348765TOPVIEWDS1G1GNDIN1DS2G2VSIN2J8PACKAGE8-LEADCERDIPTJMAX=150°C,θJA=100°C/W(J8)OBSOLETEPACKAGE12348765TOPVIEWDS1G1GNDIN1DS2G2VSIN2N8PACKAGE8-LEADPDIPTJMAX=100°C,θJA=130°C/W(N8)12348765TOPVIEWDS2G2VSIN2DS1G1GNDIN1S8PACKAGE8-LEADPLASTICSOTJMAX=100°C,θJA=150°C/WLTC11553Formoreinformationwww.
analog.
comELECTRICALCHARACTERISTICSTheldenotesthespecificationswhichapplyoverthefulloperatingtemperaturerange,otherwisespecificationsareatTA=25°C.
VS=4.
5Vto18V,unlessotherwisenoted.
SYMBOLPARAMETERCONDITIONSLTC1155M(OBSOLETE)LTC1155C/LTC1155IUNITSMINTYPMAXMINTYPMAXVSSupplyVoltagel4.
5184.
518VIQQuiescentCurrentOFFVIN=0V,VS=5V(Note2)820820AQuiescentCurrentONVS=5V,VIN=5V(Note3)8512085120AQuiescentCurrentONVS=12V,VIN=5V(Note3)180400180400AVINHInputHighVoltagel2.
02.
0VVINLInputLowVoltagel0.
80.
8VIINInputCurrent0VVS+2VTimeforVGATE>VS+5V50200250110075020005020025011007502000ssVS=12V,CGATE=1000pFTimeforVGATE>VS+5VTimeforVGATE>VS+10V501201804505001200501201804505001200sstOFFTurnOFFTimeVS=5V,CGATE=1000pFTimeforVGATE0.
1mH)mayrequirediodescon-necteddirectlyacrosstheinductortosafelydivertthestoredenergytoground.
Manyinductiveloadshavethesediodesincluded.
Ifnot,adiodeofthepropercurrentrat-ingshouldbeconnectedacrosstheloadtosafelydivertthestoredenergy.
Reverse-BatteryProtectionTheLTC1155canbeprotectedagainstreverse-batteryconditionsbyconnectingaresistorinserieswiththegroundleadasshowninFigure5.
Theresistorlimitsthesupplycurrenttolessthan50mAwith–12Vapplied.
SincetheLTC1155drawsverylittlecurrentwhileinnormaloperation,thedropacrossthegroundresistorisminimal.
TheTTLorCMOSdrivinglogicisprotectedagainstreverse-batteryconditionsbythe100kinputcurrentlimitingresistor.
Theadditionof100kresistanceinserieswiththeinputpinwillnotaffecttheturnONandturnOFFtimeswhicharedominatedbythecontrolledgatechargeanddischargeperiods.
1155F05LOADLTC1155GNDGNDG1DS1VSIN1VS=4.
5VTO18VCDLYRSENRDLY100k5V300Ω1/4W10F25V+Figure5.
ReverseBatteryProtectionFigure6.
OvervoltageShutdownandProtection1155F06LOADLTC1155GNDGNDG1DS1VSIN1VS=4.
5VTO18V510Ω10k1N414818VLTC115510Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSDual2AAutoresetElectronicFuse1155TA030.
03Ω10F1/2SI9956DY30kLTC1155GNDIN1IN2DS2VSDS10.
03ΩG2G10.
1F30k0.
1F5V100k1/2SI9956DY1N41481N4148OUT1OUT2100k750k1.
0FLMC555612384fO=1HzALLCOMPONENTSSHOWNARESURFACEMOUNT+HighSideDriverwithVDSSenseShort-CircuitShutdown1155TA041/2LTC1155GNDG1DS1VSIN14.
5VTO6V30k270k5V10FLOAD0.
01F*IRLZ24*ANY74COR74HCLOGICGATE.
MOSFETSHUTSDOWNIFVDS>1V+LTC115511Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSX-NORFaultDetectionLowSideDriverwithDrainEndCurrentSensingLowSideDriverwithSourceEndCurrentSensingTruthTableINOUTCONDITIONFLT00SwitchOFF110ShortCircuit001OpenLoad011SwitchON11155TA051/2LTC1155GNDG1DS1VSIN14.
5VTO6V0.
1Ω100k10FLOADIRLD024FAULT10k74C266+1155TA071/2LTC1155GNDG1DS1VSIN15V51Ω10FLOADSMP25N05*DONOTSUBSTITUTE.
MUSTBEAPRECISION,SINGLESUPPLY,MICROPOWEROPAMP(IQ<60A)–+51Ω0.
02Ω5%LT1077*VLOAD67324+1155TA061/2LTC1155GNDG1DS1VSIN15V0.
05Ω5%10FLOADSMP25N05+LTC115512Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSUsingtheSecondChannelforFaultDetectionAutomotiveHighSideDriverwithReverse-BatteryandHighVoltageTransientProtection1155TA081/2LTC1155GNDG1DS1VSIN19VTO16V0.
02Ω5%10FVALVE,ETC.
MTP50N05E*PROTECTSTTL/CMOSGATESDURINGHIGHVOLTAGETRANSIENTORREVERSEBATTERY**NOTREQUIREDFORINDUCTIVEORRESISTIVELOADS5V100k*18V1N4746A18V1N4746ARDLY**CDLY**M300Ω1/4W+1155TA10LTC1155GNDG1DS2VSIN14.
5VTO5.
5V0.
05Ω10FLOADSMD25N05-45LNOTE:DRAINSENSE2ISUSEDTODETECTAFAULTINCHANNEL1.
GATE2PULLSDOWNONDRAINSENSE1TODISCHARGETHEMOSFETANDREPORTTHEFAULTTOTHEP*NOTREQUIREDFORRESISTIVEORINDUCTIVELOADS0.
1F*100kPORCONTROLLOGIC1N41481N414830k*IN2G2DS1FLTON/OFF100k+LTC115513Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSBootstrappedGateDrivefor(100Hz
02Ω10FIRLR024*CAPACITORESRSHOULDBELESSTHAN0.
5Ω300k0.
1FON/OFF100k0.
1F200pF10k1345678LT14315V/3A470F*FAULT++1155TA111/2LTC1155GNDG1DS1VSIN19VTO18V0.
01ΩIRFZ44RISEANDFALLTIMESAREβETATIMESFASTER30kPORCMOS/TTLLOGIC2N2222VGATE=2VS–0.
6V1N41480.
01F0.
1FLOAD5V18V2N3906LTC115514Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSHighEfficiency60HzFull-WaveSynchronousRectifierLogicControlledBoostModeSwitchingRegulatorwithShort-CircuitProtectionand8AStandbyCurrent1155TA121/2LTC1155GNDG1DS1VSIN14.
75VTO5.
25V0.
02Ω100FMTM25N05L*COILTRONICSCTX-7-520.
33FFROMP,ETC.
100k2200F54231LT1170FAULT1F1k50H*10.
7k1%1.
24k1%68F1N58205VSWITCHED12V/1A1N4148+++1155TA13LTC1155GNDIN2G2DS2VSDS1G1IN1IRFZ44*18V1N4746A1N4148**9V/3ADCIRFZ44*18V1N4746A1N4148**1N41481N414876432100k10F10k0.
03Ω1N400110k10Ω12.
6VCT110VAC100k4700F16VDSDSMOSFETsARESYNCHRONOUSLYENHANCEDWHENRECTIFIERCURRENTEXCEEDS300mA*NOHEATSINKREQUIRED.
CASES(DRAINS)CANBETIEDTOGETHER**INTERNALBODYDIODEOFMOSFET–+LT1006++LTC115515Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSPush-PullDriverwithShoot-ThroughCurrentLockout(fO<100Hz)HighEfficiency60HzFull-WaveSynchronousRectifier1155TA14LTC1155GNDIN2G2DS1VSDS2G1IN19V/3ADC4*IRFZ44*18V1N4746A**–+1N41481N414876432100k10Ω10k100k6.
3VAC110VAC4700F16VDSMOSFETsARESYNCHRONOUSLYENHANCEDWHENRECTIFIERCURRENTEXCEEDS300mA*NOHEATSINKREQUIRED**INTERNALBODYDIODEOFMOSFETLT100610k18V1N4746ADSDS****0.
03Ω+DS**1155TA15*OPPOSINGGATEMUSTDROPBELOW2VBEFORETHEOTHERISCHARGED0.
1F300k0.
01ΩLTC1155GNDIN2G2DS2VSDS1G1IN14.
5VTO6V1N4148100k5VHI/LO74HC0210FIRLZ24*VOUT1N4148100kIRFZ24*LTC115516Formoreinformationwww.
analog.
comTYPICALAPPLICATIONSDCMotorSpeedandTorqueControlforCordlessToolsandAppliancesFullH-BridgeDriverwithShoot-ThroughCurrentLockoutandStallCurrentShutdown(fO<100Hz)1155TA16*OPPOSINGGATESAREHELDOFFUNTILOTHERGATESDROPBELOW1.
5V0.
1F100k0.
01ΩLTC1155GNDIN2G2DS2VSDS1G1IN14.
5VTO6V5V74HC0210FIRLZ44**DIRECTIONVN2222LIRFZ44MIRLZ44IRFZ44VN2222LDISABLE1155TA17SPEEDISPROPORTIONALTOPULSEWIDTH.
TORQUEISPROPORTIONALTOCURRENT0.
1F300k10kTORQUEADJUSTLTC1155GNDIN2G2DS2VSDS1G1IN11.
1k0.
1ΩIRFZ24SMALLDCAPPLIANCEORTOOLMOTOR1ATO10AMAX1M–+1/2LT1017100k120k10kSPEEDADJUST–+1/2LT10171M1M0.
0033F1M100Ω47F16V+6V100kM+LTC115517Formoreinformationwww.
analog.
comPACKAGEDESCRIPTIONJ80801.
014–.
026(0.
360–0.
660).
200(5.
080)MAX.
015–.
060(0.
381–1.
524).
1253.
175MIN.
100(2.
54)BSC.
300BSC(7.
62BSC).
008–.
018(0.
203–0.
457)0°–15°.
005(0.
127)MIN.
405(10.
287)MAX.
220–.
310(5.
588–7.
874)12348765.
025(0.
635)RADTYP.
045–.
068(1.
143–1.
650)FULLLEADOPTION.
023–.
045(0.
584–1.
143)HALFLEADOPTIONCORNERLEADSOPTION(4PLCS).
045–.
065(1.
143–1.
651)NOTE:LEADDIMENSIONSAPPLYTOSOLDERDIP/PLATEORTINPLATELEADSJ8Package8-LeadCERDIP(Narrow.
300Inch,Hermetic)(ReferenceLTCDWG#05-08-1110)OBSOLETEPACKAGELTC115518Formoreinformationwww.
analog.
comN8REVI0711.
065(1.
651)TYP.
045–.
065(1.
143–1.
651).
130±.
005(3.
302±0.
127).
020(0.
508)MIN.
018±.
003(0.
457±0.
076).
120(3.
048)MIN.
008–.
015(0.
203–0.
381).
300–.
325(7.
620–8.
255).
325+.
035–.
015+0.
889–0.
3818.
255()12348765.
255±.
015*(6.
477±0.
381).
400*(10.
160)MAXNOTE:1.
DIMENSIONSAREINCHESMILLIMETERS*THESEDIMENSIONSDONOTINCLUDEMOLDFLASHORPROTRUSIONS.
MOLDFLASHORPROTRUSIONSSHALLNOTEXCEED.
010INCH(0.
254mm).
100(2.
54)BSCNPackage8-LeadPDIP(Narrow.
300Inch)(ReferenceLTCDWG#05-08-1510RevI)SO8REVG0212.
053–.
069(1.
346–1.
752).
014–.
019(0.
355–0.
483)TYP.
004–.
010(0.
101–0.
254).
050(1.
270)BSC1234.
150–.
157(3.
810–3.
988)NOTE38765.
189–.
197(4.
801–5.
004)NOTE3.
228–.
244(5.
791–6.
197).
245MIN.
160±.
005RECOMMENDEDSOLDERPADLAYOUT.
045±.
005.
050BSC.
030±.
005TYP.
016–.
050(0.
406–1.
270).
010–.
020(0.
254–0.
508)*45°0°–8°TYP.
008–.
010(0.
203–0.
254)INCHES(MILLIMETERS)NOTE:1.
DIMENSIONSIN2.
DRAWINGNOTTOSCALE3.
THESEDIMENSIONSDONOTINCLUDEMOLDFLASHORPROTRUSIONS.
MOLDFLASHORPROTRUSIONSSHALLNOTEXCEED.
006"(0.
15mm)4.
PIN1CANBEBEVELEDGEORADIMPLES8Package8-LeadPlasticSmallOutline(Narrow.
150Inch)(ReferenceLTCDWG#05-08-1610RevG)PACKAGEDESCRIPTIONLTC115519Formoreinformationwww.
analog.
comREVISIONHISTORYREVDATEDESCRIPTIONPAGENUMBERC05/19ObsoletedCERDIPJ8package2,17(RevisionhistorybeginsatRevC)InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.
However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.
Specificationssubjecttochangewithoutnotice.
NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.
LTC115520Formoreinformationwww.
analog.
comANALOGDEVICES,INC.
199105/19www.
analog.
comRELATEDPARTSTYPICALAPPLICATIONSIsolatedHighVoltageHighSideSwitchwithCircuitBreakerIsolatedSolid-StateACRelaywithCircuitBreaker1155TA18LTC1155GNDIN2G2DS2VSDS1G1IN10.
1Ω1k6AMAX1k90V18V1N4746A4N281M1kCBE10mACONTROL0.
1F200V100pF1/674C146VTO12V100k10F25V1N41481N58171N4148MUR420M1N5817+2N22221155TA19LTC1155GNDIN2G2DS2VSDS1G1IN10.
05ΩIRFZ2418V1N4746A100k0.
0022F1/674C145V100k1N41481N581718V1N4746A0.
01F100k5.
6V1N4690AIN/OUTIN/OUT24VAC2AMAXIRFZ24100kON/OFF1/674C14300Ω600Ω0.
1F1F*PICOELECTRONICSF-28115OREQUIVALENTT1*IN/OUTON/OFFIN/OUT2AEQUIVALENTFUNCTION+PARTNUMBERDESCRIPTIONCOMMENTSLTC1153Auto-ResetElectronicCircuitBreakerProgrammableTripCurrent,FaultStatusOutputLT1161QuadProtectedHighSideMOSFETDriver8Vto48VSupplyRange,IndividualShort-CircuitProtectionLTC1163Triple1.
8Vto6VHighSideMOSFETDriver0.
01AStandbyCurrent,TripleDriverinSO-8PackageLTC1255Dual24VHighSideMOSFETDriverOperatesfrom9Vto24V,Short-CircuitProtectionLTC1477ProtectedMonolithicHighSideSwitchLowRDS(ON)0.
07ΩSwitch,2AShort-CircuitProtectedLTC1623SMBusDualHighSideSwitchController2-WireSMBusSerialInterface,Built-InGateChargePumpsLTC1710SMBusDualMonolithicHighSideSwitchTwoLowRDS(ON)0.
4Ω/300mASwitchesin8-LeadMSOPPackageLT1910ProtectedHighSideMOSFETDriver8Vto48VSupplyRange,FaultStatusOutput
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