LM2678SX-5.0/NOPBAlternatives & Equivalent Parts

About LM2678SX-5.0/NOPB

LM2678SX-5.0/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterLM2678SX-5.0/NOPBSourceLM2678S-5.0/NOPB24AA512-I/SM24AA512-I/SNTLV7256IDDUR
ManufacturerTexas InstrumentsTexas InstrumentsMicrochipMicrochipTexas Instruments
Package TypeOtherTO-XXX (Inc. DPAK)Small Outline PackagesSmall Outline PackagesSmall Outline Packages
Pin Count44888
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$2.4510$2.6357$0.3469
Electrical Parameters
Pbfree CodeYesYesYesYesYes
YTEOL15159915
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATOR
Control ModeVOLTAGE-MODEVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max40 V40 V
Input Voltage-Min8 V8 V
JESD-30 CodeR-PSSO-G7R-PSSO-G7R-PDSO-G8R-PDSO-G8R-PDSO-G8
JESD-609 Codee3e3e3e3e4
Number of Functions11112
Number of Outputs11
Output Current-Max5 A5 A
Output Voltage-Max37 V37 V
Output Voltage-Min1.23 V1.23 V
Output Voltage-Nom5 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSMSIP7H,.55,50TBSMSIP7H,.55,50TBSOP8,.3SOP8,.25TSSOP8,.12,20
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)245245260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYESYESYES
Switcher ConfigurationBUCKBUCK
Switching Frequency-Max260 kHz260 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm0.5 mm
Terminal PositionSINGLESINGLEDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30304030
## LM2678SX-5.0/NOPB Alternates Showing resultsImage
Input Voltage-Nom12 V
## LM2678S-5.0/NOPB Alternates Showing resultsImage
Manufacturer Package CodeSOIJ-8SOIC-8
Factory Lead Time6 Weeks6 Weeks
Clock Frequency-Max (fCLK)0.4 MHz0.4 MHz
Data Retention Time-Min200200
Endurance1000000 Write/Erase Cycles1000000 Write/Erase Cycles
I2C Control Byte1010DDDR1010DDDR
Memory Density524288 bit524288 bit
Memory IC TypeEEPROMEEPROM
Memory Width88
Number of Words65536 words65536 words
Number of Words Code6400064000
Operating ModeSYNCHRONOUSSYNCHRONOUS
Organization64KX864KX8
Output CharacteristicsOPEN-DRAINOPEN-DRAIN
Parallel/SerialSERIALSERIAL
Programming Voltage2.5 V2.5 V
Serial Bus TypeI2CI2C
Standby Current-Max0.000001 A0.000001 A
Supply Current-Max0.005 mA0.005 mA0.12 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V
Supply Voltage-Min (Vsup)1.7 V1.7 V
Supply Voltage-Nom (Vsup)2.5 V2.5 V1.8 V
TechnologyCMOSCMOSCMOS
Write Cycle Time-Max (tWC)5 ms5 ms
Write ProtectionHARDWAREHARDWARE
Amplifier TypeCOMPARATOR
Average Bias Current-Max (IIB)0.000004 µA
Bias Current-Max (IIB) @25C0.000004 µA
Input Offset Voltage-Max7000 µV
Output TypePUSH-PULL
Packing MethodTR
Response Time-Nom30 ns
Supply Voltage Limit-Max7 V

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

Quick Links

LM2678S-5.0/NOPBby National Semiconductor Corporation

Switching Regulator, Voltage-mode, 8.75A, 280kHz Switching Freq-Max, PSSO7

Why Look for Alternatives?

Finding alternatives for LM2678SX-5.0/NOPB 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 LM2678SX-5.0/NOPB 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 LM2678SX-5.0/NOPB?

Known equivalents for LM2678SX-5.0/NOPB include LM2678S-5.0/NOPB, 24AA512-I/SM, 24AA512-I/SN. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2678SX-5.0/NOPB?

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 LM2678SX-5.0/NOPB 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.