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
| Parameter | LM231AN/NOPBSource | LM331AN/NOPB | LM3311SQ-HIOP/NOPB | FW70A10R0JA | MIC5514-1.8YMT-TR | FW10A10R0JA |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Bourns | Microchip | Bourns |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Quad Flat No-Lead | Resistors, Axial Diameter Horizontal Mounting | Small Outline No-lead | Resistors, Axial Diameter Horizontal Mounting |
| Pin Count | 8 | 8 | 25 | 2 | 6 | 2 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | No | — | — | — |
| YTEOL | 15 | 15 | 0 | 7 | 14 | 7 |
| Converter Type | VOLTAGE TO FREQUENCY CONVERTER | VOLTAGE TO FREQUENCY CONVERTER | — | — | — | — |
| JESD-30 Code | R-PDIP-T8 | R-PDIP-T8 | S-PQCC-N24 | — | S-PDSO-N6 | — |
| JESD-609 Code | e4 | e4 | e3 | e3 | e4 | e3 |
| 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 Functions | 1 | 1 | 1 | — | 1 | — |
| Operating Frequency-Max | 0.1 MHz | 0.1 MHz | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — |
| Package Equivalence Code | DIP8,.3 | DIP8,.3 | LCC24,.16SQ,20 | — | SOLCC6,.06,20 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | TUBULAR PACKAGE | SQUARE | TUBULAR PACKAGE |
| Package Style | IN-LINE | IN-LINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | Axial | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | Axial |
| Positive Input Voltage-Max | 3 V | 3 V | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — | — |
| Supply Current-Max | 6 mA | 8 mA | — | — | — | — |
| Supply Voltage-Max | 20 V | 20 V | — | — | — | — |
| Supply Voltage-Min | 4.5 V | 4.5 V | — | — | — | — |
| Supply Voltage-Nom | 5 V | 5 V | — | — | — | — |
| Surface Mount | NO | NO | YES | NO | YES | NO |
| Technology | BIPOLAR | BIPOLAR | BICMOS | WIRE WOUND | CMOS | WIRE WOUND |
| Temperature Grade | OTHER | COMMERCIAL | AUTOMOTIVE | — | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN | TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | TIN |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | — | NO LEAD | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | 0.5 mm | — | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | — | DUAL | — |
| ## LM231AN/NOPB Alternates Showing results | Image | — | — | — | — | — |
| ## LM331AN/NOPB Alternates Showing results | — | Image | — | — | — | — |
| Additional Feature | — | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 2.5 TO 7V | RATED AC VOLTAGE (V): 240 | — | — |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | — | — | — |
| Control Mode | — | — | CURRENT/VOLTAGE-MODE | — | — | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | — | — | 7 V | — | 5.5 V | — |
| Input Voltage-Min | — | — | 2.5 V | — | 2.5 V | — |
| Input Voltage-Nom | — | — | 2.5 V | — | — | — |
| Output Current-Max | — | — | 2.6 A | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | 260 | — |
| Screening Level | — | — | TS 16949 | — | — | — |
| Supply Current-Max (Isup) | — | — | 9 mA | — | — | — |
| Switcher Configuration | — | — | BOOST | — | — | — |
| Switching Frequency-Max | — | — | 1500 kHz | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — | 40 | — |
| Reach Compliance Code | — | — | — | Compliant | — | Compliant |
| Factory Lead Time | — | — | — | 15 Weeks | 10 Weeks | 15 Weeks |
| Construction | — | — | — | Tubular | — | Tubular |
| Lead Diameter | — | — | — | 0.75 mm | — | 0.55 mm |
| Mounting Feature | — | — | — | THROUGH HOLE MOUNT | — | THROUGH HOLE MOUNT |
| Package Diameter | — | — | — | 9.5 mm | — | 5 mm |
| Package Length | — | — | — | 26 mm | — | 12 mm |
| Packing Method | — | — | — | AMMO PACK | TR | AMMO PACK |
| Rated Power Dissipation (P) | — | — | — | 7 W | — | 1 W |
| Rated Temperature | — | — | — | 70 °C | — | 70 °C |
| Resistance | — | — | — | 10 Ω | — | 10 Ω |
| Resistor Type | — | — | — | FUSIBLE RESISTOR | — | FUSIBLE RESISTOR |
| Temperature Coefficient | — | — | — | 200 ppm/°C | — | 200 ppm/°C |
| Terminal Shape | — | — | — | WIRE | — | WIRE |
| Tolerance | — | — | — | 5% | — | 5% |
| Working Voltage | — | — | — | 8.3666 V | — | 3.1623 V |
| Manufacturer Package Code | — | — | — | — | UDFN-6 | — |
| Adjustability | — | — | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | — | — | 0.38 V | — |
| Dropout Voltage1-Nom | — | — | — | — | 0.16 V | — |
| Input Voltage Absolute-Max | — | — | — | — | 6 V | — |
| Line Regulation-Max | — | — | — | — | 0.0162% | — |
| Load Regulation-Max | — | — | — | — | 0.04% | — |
| Number of Outputs | — | — | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | — | — | 125 °C | — |
| Operating Temperature TJ-Min | — | — | — | — | -40 °C | — |
| Output Current1-Max | — | — | — | — | 0.3 A | — |
| Output Voltage1-Max | — | — | — | — | 1.854 V | — |
| Output Voltage1-Min | — | — | — | — | 1.746 V | — |
| Output Voltage1-Nom | — | — | — | — | 1.8 V | — |
| Regulator Type | — | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Voltage Tolerance-Max | — | — | — | — | 3% | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Voltage to Frequency Converter, 1 Func, 0.1MHz, Bipolar, PDIP8
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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.