LM3671MF-1.2/NOPBAlternatives & Equivalent Parts

About LM3671MF-1.2/NOPB

LM3671MF-1.2/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterLM3671MF-1.2/NOPBSourceLM3671MF-1.2LM3671MFX-1.2
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSOT23 (5-Pin)OtherSOT23 (5-Pin)
Pin Count555
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-30.0°C ~ 85.0°C
Price$0.7001$0.7001$0.4304
Electrical Parameters
Pbfree CodeYesYesNo
YTEOL1500
Additional FeaturePULSE FREQUENCY MODULATION TECHNIQUE IS ALSO POSSIBLEPULSE FREQUENCY MODULATION TECHNIQUE IS ALSO POSSIBLEPULSE FREQUENCY MODULATION TECHNIQUE IS ALSO POSSIBLE
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATOR
Control ModeVOLTAGE-MODEVOLTAGE-MODEVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max5.5 V5.5 V5.5 V
Input Voltage-Min2.7 V2.7 V2.7 V
Input Voltage-Nom3.6 V3.6 V3.6 V
JESD-30 CodeR-PDSO-G5R-PDSO-G5R-PDSO-G5
JESD-609 Codee3e0e0
Number of Functions111
Number of Outputs11
Output Current-Max0.6 A0.6 A1.15 A
Output Voltage-Max3.3 V3.3 V
Output Voltage-Min1.1 V1.1 V
Output Voltage-Nom1.2 V1.2 V1.2 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTSOP5/6,.11,37TSOP5/6,.11,37TSOP5/6,.11,37
Package ShapeRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYES
Switcher ConfigurationBUCKBUCKBUCK
Switching Frequency-Max2600 kHz2600 kHz2600 kHz
Temperature GradeINDUSTRIALINDUSTRIALOTHER
Terminal FinishMatte Tin (Sn)Tin/Lead (Sn/Pb)TIN LEAD
Terminal FormGULL WINGGULL WINGGULL WING
Terminal Pitch0.953 mm0.953 mm0.95 mm
Terminal PositionDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30NOT SPECIFIED
Screening LevelTS 16949
TechnologyBICMOS

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

Quick Links

LM3671MF-1.2by National Semiconductor Corporation

Switching Regulator, Voltage-mode, 1.15A, 2600kHz Switching Freq-Max, PDSO5

LM3671MFX-1.2by National Semiconductor Corporation

Switching Regulator, Voltage-mode, 1.15A, 2600kHz Switching Freq-Max, PDSO5

Why Look for Alternatives?

Finding alternatives for LM3671MF-1.2/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 LM3671MF-1.2/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 LM3671MF-1.2/NOPB?

Known equivalents for LM3671MF-1.2/NOPB include LM3671MF-1.2, LM3671MFX-1.2. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM3671MF-1.2/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 LM3671MF-1.2/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.