LM43603PWPTAlternatives & Equivalent Parts

About LM43603PWPT

LM43603PWPT is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM43603PWPTSourceLM43603AQPWPRQ1LM43603PWPRTPS54202HDDCRDRV8424EPWPR744053100SSM-103-L-SHSSM-103-L-SV
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsWürth ElektronikSAMTECSAMTEC
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSOT23 (6-Pin)Small Outline PackagesOtherOtherOther
Pin Count171717629263
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-55.0°C ~ 125.0°C-55.0°C ~ 125.0°C
Price$0.7887$2.2200$0.7584$0.3322$1.9700$0.5940$0.5089$0.4640
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYesYesYes
YTEOL1515151515159.19.1
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATORSTEPPER MOTOR CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODE
Control TechniquePWM/PFMPULSE WIDTH MODULATIONPWM/PFMPULSE WIDTH MODULATION
Input Voltage-Max36 V36 V36 V28 V
Input Voltage-Min3.5 V3.5 V3.5 V4.5 V
Input Voltage-Nom12 V12 V12 V12 V
JESD-30 CodeR-PDSO-N16R-PDSO-G16R-PDSO-N16R-PDSO-G6R-PDSO-G28
JESD-609 Codee4e4e4e3e4e3e3
Number of Functions111111
Number of Outputs1111
Output Current-Max3 A3 A3 A2 A4 A
Output Voltage-Max28 V28 V28 V26 V
Output Voltage-Min1 V1 V1 V0.6 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTSSOP16,.25TSSOP16,.25TSSOP28,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCHSMT
Peak Reflow Temperature (Cel)260260260260260
Surface MountYESYESYESYESYESYES
Switcher ConfigurationBUCKBUCKBUCKBUCK
Switching Frequency-Max2200 kHz2200 kHz2200 kHz500 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.65 mm0.65 mm0.65 mm0.95 mm0.65 mm2.54 mm2.54 mm
Terminal PositionDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)3030303030
## LM43603PWPT Alternates Showing resultsImage
Date Of Intro2017-03-032016-05-012020-05-31
Additional FeatureOPERATES WITH ADJ OUTPUT VOLTAGE= 1V TO 28VE.L.P., TIGER CLAWE.L.P., TIGER CLAW
Output Voltage-Nom3.3 V
Screening LevelAEC-Q100
TechnologyBICMOS
## LM43603PWPR Alternates Showing resultsImage
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)4.5 V
Supply Voltage-Nom (Vsup)5 V
Case/Size Code2323
ConstructionRectangular
Core MaterialMANGANESE-ZINC
DC Resistance0.07 Ω
Inductance-Nom (L)10 µH
Inductor ApplicationPOWER INDUCTOR
Inductor TypeGENERAL PURPOSE INDUCTOR
Package Height2.8 mm
Package Length5.8 mm
Package Width5.8 mm
Packing MethodTR, Embossed Plastic, 7 Inch
Rated Current-Max1.5 A
Self Resonance Frequency35 MHz
Shape/Size DescriptionRECTANGULAR PACKAGE
ShieldedYES
Terminal PlacementDUAL ENDED
Terminal ShapeONE SURFACE
Test Frequency0.1 MHz
Tolerance30%
Factory Lead Time1 Week1 Week
Body Breadth0.125 inch0.1 inch
Body Depth0.32 inch0.29 inch
Body Length0.3 inch0.3 inch
Body/Shell StyleSOCKETSOCKET
Connector TypeBOARD CONNECTORBOARD CONNECTOR
Contact Finish MatingGOLD (10)GOLD (10)
Contact Finish TerminationTin (Sn) - with Nickel (Ni) barrierTin (Sn) - with Nickel (Ni) barrier
Contact GenderFEMALEFEMALE
Contact MaterialPHOSPHOR BRONZEPHOSPHOR BRONZE
Contact PatternRECTANGULARRECTANGULAR
Contact Resistance10 mΩ10 mΩ
Contact StyleSQ PIN-SKTSQ PIN-SKT
DIN ConformanceNONO
Dielectric Withstanding Voltage1000VAC V
Filter FeatureNONO
IEC ConformanceNONO
Insertion Force-Max1.39 N1.39 N
Insulation Resistance5000000000 Ω
Insulator ColorBLACKBLACK
Insulator MaterialLIQUID CRYSTAL POLYMERLIQUID CRYSTAL POLYMER
MIL ConformanceNONO
Mating Contact Pitch0.1 inch0.1 inch
Mating InformationMULTIPLE MATING PARTS AVAILABLEMULTIPLE MATING PARTS AVAILABLE
Mixed ContactsNONO
Mounting StyleRIGHT ANGLESTRAIGHT
Mounting TypeBOARDBOARD
Number Of ConnectorsONEONE
Number Of PCB Rows22
Number of Rows Loaded11
OptionGENERAL PURPOSEGENERAL PURPOSE
PCB Contact PatternRECTANGULARSTAGGERED
PCB Contact Row Spacing9.398 mm3.556 mm
Plating Thickness10u inch10u inch
Rated Current (Signal)1 A5.2 A
Reference StandardULUL, CSA
Termination TypeSURFACE MOUNTSURFACE MOUNT
Total Number of Contacts33
UL Flammability Code94V-094V-0
Withdrawl Force-Min.556 N

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 7 alternatives for LM43603PWPT — response within 24 hours.

Quick Links

LM43603AQPWPRQ1by Texas Instruments

Switching Regulator, Current-mode, 3A, 2200kHz Switching Freq-Max, BICMOS, PDSO16

LM43603PWPRby Texas Instruments

Switching Regulator, Current-mode, 3A, 2200kHz Switching Freq-Max, PDSO16

744053100

suggested

Why Look for Alternatives?

Finding alternatives for LM43603PWPT is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating LM43603PWPT replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to LM43603PWPT?

Known equivalents for LM43603PWPT include LM43603AQPWPRQ1, LM43603PWPR, TPS54202HDDCR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM43603PWPT?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify LM43603PWPT alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.