LM3478QMM/NOPBAlternatives & Equivalent Parts

About LM3478QMM/NOPB

LM3478QMM/NOPB 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

ParameterLM3478QMM/NOPBSourceLM3478QMMLM3478QMMX/NOPB
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline Packages
Pin Count88
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$0.6932$0.6932$1.1936
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYes
YTEOL1515
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max40 V40 V
Input Voltage-Min2.97 V2.97 V
Input Voltage-Nom12 V12 V
JESD-30 CodeS-PDSO-G8S-PDSO-G8
JESD-609 Codee3e3
Number of Functions11
Number of Outputs11
Output Current-Max10 A10 A
Output Voltage-Max500 V500 V
Output Voltage-Min1.26 V1.26 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTSSOP8,.19TSSOP8,.19
Package ShapeSQUARESQUARE
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260260
Qualification StatusNot QualifiedNot Qualified
Supply Current-Max (Isup)3.3 mA3.3 mA
Supply Voltage-Nom (Vsup)12 V12 V
Surface MountYESYES
Switcher ConfigurationBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max1000 kHz1000 kHz
TechnologyBICMOSBICMOS
Temperature GradeAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WING
Terminal Pitch0.65 mm0.65 mm
Terminal PositionDUALDUAL
Time@Peak Reflow Temperature-Max (s)3030

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

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Get one quote covering all 2 alternatives for LM3478QMM/NOPB — response within 24 hours.

Quick Links

LM3478QMMby National Semiconductor Corporation

Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, PDSO8

LM3478QMMX/NOPBby Texas Instruments

Switching Controller, Current-mode, 10A, 1000kHz Switching Freq-Max, BICMOS, PDSO8

Why Look for Alternatives?

Finding alternatives for LM3478QMM/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 LM3478QMM/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 LM3478QMM/NOPB?

Known equivalents for LM3478QMM/NOPB include LM3478QMM, LM3478QMMX/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM3478QMM/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 LM3478QMM/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.