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.

Specification Comparison

ParameterLM231AN/NOPBSourceLM331AN/NOPBLM3311SQ-HIOP/NOPB
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeDual-In-Line PackagesDual-In-Line PackagesQuad Flat No-Lead
Pin Count8825
Temperature Range-25.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 125.0°C
Price$5.0000$9.3000$2.3149
Electrical Parameters
Pbfree CodeYesYesNo
YTEOL15150
Converter TypeVOLTAGE TO FREQUENCY CONVERTERVOLTAGE TO FREQUENCY CONVERTER
JESD-30 CodeR-PDIP-T8R-PDIP-T8S-PQCC-N24
JESD-609 Codee4e4e3
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 Functions111
Operating Frequency-Max0.1 MHz0.1 MHz
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeDIP8,.3DIP8,.3LCC24,.16SQ,20
Package ShapeRECTANGULARRECTANGULARSQUARE
Package StyleIN-LINEIN-LINECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
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 MountNONOYES
TechnologyBIPOLARBIPOLARBICMOS
Temperature GradeOTHERCOMMERCIALAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)MATTE TIN
Terminal FormTHROUGH-HOLETHROUGH-HOLENO LEAD
Terminal Pitch2.54 mm2.54 mm0.5 mm
Terminal PositionDUALDUALQUAD
## LM231AN/NOPB Alternates Showing resultsImage
## LM331AN/NOPB Alternates Showing resultsImage
Additional FeatureALSO OPERATES IN ADJUSTABLE MODE FROM 2.5 TO 7V
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT/VOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max7 V
Input Voltage-Min2.5 V
Input Voltage-Nom2.5 V
Output Current-Max2.6 A
Peak Reflow Temperature (Cel)260
Screening LevelTS 16949
Supply Current-Max (Isup)9 mA
Switcher ConfigurationBOOST
Switching Frequency-Max1500 kHz
Time@Peak Reflow Temperature-Max (s)30

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

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. 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.