LM5155DSSTAlternatives & Equivalent Parts

About LM5155DSST

LM5155DSST is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterLM5155DSSTSourceLM5155QDSSTQ1LM5155DSSRXLM5155QDSSTQ1
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline No-leadSmall Outline No-leadSmall Outline No-leadSmall Outline No-lead
Pin Count13131313
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C-40.0°C ~ 150.0°C
Price$1.1015$1.3680$0.6179
Electrical Parameters
Pbfree CodeYesYesYes
Date Of Intro2018-12-162019-06-292018-12-16
YTEOL1515150
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max45 V45 V45 V
Input Voltage-Min1.5 V1.5 V1.5 V
Input Voltage-Nom12 V12 V12 V
JESD-30 CodeR-PDSO-N12R-PDSO-N12R-PDSO-N12R-PDSO-N12
JESD-609 Codee4e3e4
Number of Functions1111
Number of Outputs111
Output Current-Max15 A15 A15 A
Output Voltage-Max300 V300 V300 V
Output Voltage-Min1.5 V1.5 V1.5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOLCC12,.08,20SOLCC12,.08,20SOLCC12,.08,20
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260260260
Surface MountYESYESYESYES
Switcher ConfigurationBUCK-BOOSTBUCK-BOOSTBUCK-BOOSTBOOST
Switching Frequency-Max2200 kHz2200 kHz2200 kHz2200 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEADNO LEADNO LEADNO LEAD
Terminal Pitch0.5 mm0.5 mm0.5 mm0.5 mm
Terminal PositionDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)303030
Screening LevelAEC-Q100AEC-Q100
Supply Current-Max (Isup)0.54 mA
TechnologyBICMOS
## LM5155DSSR Alternates Showing resultsImage

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

Quick Links

LM5155QDSSTQ1by Texas Instruments

Switching Controller, Current-mode, 15A, 2200kHz Switching Freq-Max, BICMOS, PDSO12

LM5155DSSRby Texas Instruments

Switching Controller, Current-mode, 15A, 2200kHz Switching Freq-Max, PDSO12

XLM5155QDSSTQ1by Texas Instruments

Switching Controller, Current-mode, 2200kHz Switching Freq-Max, PDSO12

Why Look for Alternatives?

Finding alternatives for LM5155DSST 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 LM5155DSST 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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Request Alternatives for LM5155DSST

FAQ

What is equivalent to LM5155DSST?

Known equivalents for LM5155DSST include LM5155QDSSTQ1, LM5155DSSR, XLM5155QDSSTQ1. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM5155DSST?

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 LM5155DSST 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.