LM2678S-3.3/NOPBAlternatives & Equivalent Parts

About LM2678S-3.3/NOPB

LM2678S-3.3/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

ParameterLM2678S-3.3/NOPBSourceLM2678S-3.3LM2678SX-3.3/NOPB
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeOtherOtherOther
Pin Count444
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$5.1250$4.1000$3.2117
Electrical Parameters
Pbfree CodeYesYesYes
YTEOL15015
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATOR
Control ModeVOLTAGE-MODEVOLTAGE-MODEVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max40 V40 V40 V
Input Voltage-Min8 V8 V8 V
Input Voltage-Nom12 V12 V
JESD-30 CodeR-PSSO-G7R-PSSO-G7R-PSSO-G7
JESD-609 Codee3e0e3
Number of Functions111
Number of Outputs111
Output Current-Max5 A5 A5 A
Output Voltage-Max37 V37 V37 V
Output Voltage-Min1.23 V1.23 V1.23 V
Output Voltage-Nom3.3 V3.3 V3.3 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSMSIP7H,.55,50TBSMSIP7H,.55,50TBSMSIP7H,.55,50TB
Package ShapeRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)245235245
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYES
Switcher ConfigurationBUCKBUCKBUCK
Switching Frequency-Max260 kHz260 kHz260 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Tin/Lead (Sn/Pb)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm
Terminal PositionSINGLESINGLESINGLE
Time@Peak Reflow Temperature-Max (s)303030
Date Of Intro1998-04-01
TechnologyBICMOS

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

Quick Links

LM2678S-3.3

Rochester Electronics LLC 8.75A SWITCHING REGULATOR, 280kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN

LM2678SX-3.3/NOPBby National Semiconductor Corporation

Switching Regulator, Current-mode, 5A, 280kHz Switching Freq-Max, PSSO7

Why Look for Alternatives?

Finding alternatives for LM2678S-3.3/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 LM2678S-3.3/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 LM2678S-3.3/NOPB?

Known equivalents for LM2678S-3.3/NOPB include LM2678S-3.3, LM2678SX-3.3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2678S-3.3/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 LM2678S-3.3/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.