LM231AN/NOPBAlternatives & Equivalent Parts

About LM231AN/NOPB

LM231AN/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line 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

ParameterLM231AN/NOPBSourceLM331AN/NOPBLM3311SQ-HIOP/NOPBFW70A10R0JAMIC5514-1.8YMT-TRFW10A10R0JA
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsBournsMicrochipBourns
Package TypeDual-In-Line PackagesDual-In-Line PackagesQuad Flat No-LeadResistors, Axial Diameter Horizontal MountingSmall Outline No-leadResistors, Axial Diameter Horizontal Mounting
Pin Count8825262
Temperature Range-25.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 125.0°C-55.0°C ~ 275.0°C-55.0°C ~ 275.0°C
Price$5.0000$9.3000$2.3149$0.3539$0.1829$0.0300
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesNo
YTEOL151507147
Converter TypeVOLTAGE TO FREQUENCY CONVERTERVOLTAGE TO FREQUENCY CONVERTER
JESD-30 CodeR-PDIP-T8R-PDIP-T8S-PQCC-N24S-PDSO-N6
JESD-609 Codee4e4e3e3e4e3
Linearity Error-Max (EL)0.02%0.02%
Negative Input Voltage-Max-0.2 V-0.2 V
Negative Supply Voltage-Min-0.2 V-0.2 V
Number of Functions1111
Operating Frequency-Max0.1 MHz0.1 MHz
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeDIP8,.3DIP8,.3LCC24,.16SQ,20SOLCC6,.06,20
Package ShapeRECTANGULARRECTANGULARSQUARETUBULAR PACKAGESQUARETUBULAR PACKAGE
Package StyleIN-LINEIN-LINECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILEAxialSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILEAxial
Positive Input Voltage-Max3 V3 V
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Supply Current-Max6 mA8 mA
Supply Voltage-Max20 V20 V
Supply Voltage-Min4.5 V4.5 V
Supply Voltage-Nom5 V5 V
Surface MountNONOYESNOYESNO
TechnologyBIPOLARBIPOLARBICMOSWIRE WOUNDCMOSWIRE WOUND
Temperature GradeOTHERCOMMERCIALAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)MATTE TINTINNickel/Palladium/Gold (Ni/Pd/Au)TIN
Terminal FormTHROUGH-HOLETHROUGH-HOLENO LEADNO LEAD
Terminal Pitch2.54 mm2.54 mm0.5 mm0.5 mm
Terminal PositionDUALDUALQUADDUAL
## LM231AN/NOPB Alternates Showing resultsImage
## LM331AN/NOPB Alternates Showing resultsImage
Additional FeatureALSO OPERATES IN ADJUSTABLE MODE FROM 2.5 TO 7VRATED AC VOLTAGE (V): 240
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT/VOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max7 V5.5 V
Input Voltage-Min2.5 V2.5 V
Input Voltage-Nom2.5 V
Output Current-Max2.6 A
Peak Reflow Temperature (Cel)260260
Screening LevelTS 16949
Supply Current-Max (Isup)9 mA
Switcher ConfigurationBOOST
Switching Frequency-Max1500 kHz
Time@Peak Reflow Temperature-Max (s)3040
Reach Compliance CodeCompliantCompliant
Factory Lead Time15 Weeks10 Weeks15 Weeks
ConstructionTubularTubular
Lead Diameter0.75 mm0.55 mm
Mounting FeatureTHROUGH HOLE MOUNTTHROUGH HOLE MOUNT
Package Diameter9.5 mm5 mm
Package Length26 mm12 mm
Packing MethodAMMO PACKTRAMMO PACK
Rated Power Dissipation (P)7 W1 W
Rated Temperature70 °C70 °C
Resistance10 Ω10 Ω
Resistor TypeFUSIBLE RESISTORFUSIBLE RESISTOR
Temperature Coefficient200 ppm/°C200 ppm/°C
Terminal ShapeWIREWIRE
Tolerance5%5%
Working Voltage8.3666 V3.1623 V
Manufacturer Package CodeUDFN-6
AdjustabilityFIXED
Dropout Voltage1-Max0.38 V
Dropout Voltage1-Nom0.16 V
Input Voltage Absolute-Max6 V
Line Regulation-Max0.0162%
Load Regulation-Max0.04%
Number of Outputs1
Operating Temperature TJ-Max125 °C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.3 A
Output Voltage1-Max1.854 V
Output Voltage1-Min1.746 V
Output Voltage1-Nom1.8 V
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Voltage Tolerance-Max3%

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

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Quick Links

LM331AN/NOPBby National Semiconductor Corporation

Voltage to Frequency Converter, 1 Func, 0.1MHz, Bipolar, PDIP8

Why Look for Alternatives?

Finding alternatives for LM231AN/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 LM231AN/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 LM231AN/NOPB?

Known equivalents for LM231AN/NOPB include LM331AN/NOPB, LM3311SQ-HIOP/NOPB, FW70A10R0JA. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM231AN/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 LM231AN/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.