LM2731XMF/NOPBAlternatives & Equivalent Parts
About LM2731XMF/NOPB
LM2731XMF/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.
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Specification Comparison
| Parameter | LM2731XMF/NOPBSource | LM2731XMF | OPA4991IRUCR | UCC27519DBVR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Quad Flat No-Lead | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 14 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 140.0°C |
| Price | $0.6425 | $0.6425 | $1.8500 | $0.3138 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 4 | 15 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | — | — |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Max | 14 V | 14 V | — | — |
| Input Voltage-Min | 2.7 V | 2.7 V | — | — |
| Input Voltage-Nom | 5 V | 5 V | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | S-PQCC-N14 | R-PDSO-G5 |
| JESD-609 Code | e3 | e0 | e4 | e3 |
| Number of Functions | 1 | 1 | 4 | 1 |
| Number of Outputs | 1 | 1 | — | — |
| Output Voltage-Max | 22 V | 22 V | — | — |
| Output Voltage-Min | 1.23 V | 1.23 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | LCC14,.1SQ,16 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | CHIP CARRIER, VERY THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| Surface Mount | YES | YES | YES | YES |
| Switcher Configuration | BOOST | BOOST | — | — |
| Switching Frequency-Max | 1600 kHz | 1600 kHz | — | — |
| Technology | BICMOS | BICMOS | CMOS | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | NO LEAD | GULL WING |
| Terminal Pitch | 0.95 mm | 0.953 mm | 0.4 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | QUAD | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 20 | 30 | 30 |
| ## LM2731XMF/NOPB Alternates Showing results | Image | — | — | — |
| Output Current-Max | — | 2 A | — | 4 A |
| Date Of Intro | — | — | 2020-07-09 | — |
| Amplifier Type | — | — | OPERATIONAL AMPLIFIER | — |
| Architecture | — | — | VOLTAGE-FEEDBACK | — |
| Common-mode Reject Ratio-Min | — | — | 109 dB | — |
| Common-mode Reject Ratio-Nom | — | — | 130 dB | — |
| Frequency Compensation | — | — | YES | — |
| Input Offset Voltage-Max | — | — | 830 µV | — |
| Low-Bias | — | — | NO | — |
| Low-Offset | — | — | YES | — |
| Micropower | — | — | NO | — |
| Neg Supply Voltage Limit-Max | — | — | -21 V | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | -4 V | — |
| Packing Method | — | — | TR | — |
| Power | — | — | NO | — |
| Programmable Power | — | — | NO | — |
| Slew Rate-Nom | — | — | 21 V/us | — |
| Supply Current-Max | — | — | 2.74 mA | — |
| Supply Voltage Limit-Max | — | — | 21 V | — |
| Supply Voltage-Nom (Vsup) | — | — | 4 V | — |
| Unity Gain BW-Nom | — | — | 4500 | — |
| Voltage Gain-Min | — | — | 158489.3192 | — |
| Wideband | — | — | NO | — |
| ## OPA4991IRUCR Alternates Showing results | — | — | Image | — |
| High Side Driver | — | — | — | NO |
| Input Characteristics | — | — | — | STANDARD |
| Interface IC Type | — | — | — | BUFFER OR INVERTER BASED MOSFET DRIVER |
| Number of Channels | — | — | — | 1 |
| Output Characteristics | — | — | — | STANDARD |
| Output Peak Current Limit-Nom | — | — | — | 4 A |
| Output Polarity | — | — | — | TRUE |
| Supply Voltage-Max | — | — | — | 18 V |
| Supply Voltage-Min | — | — | — | 4.5 V |
| Supply Voltage-Nom | — | — | — | 12 V |
| Turn-off Time | — | — | — | 0.024 µs |
| Turn-on Time | — | — | — | 0.025 µs |
| ## UCC27519DBVR Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for LM2731XMF/NOPB — response within 24 hours.
Quick Links
Switching Regulator, Current-mode, 2A, 1600kHz Switching Freq-Max, BICMOS, PDSO5
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Why Look for Alternatives?
Finding alternatives for LM2731XMF/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 LM2731XMF/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 LM2731XMF/NOPB?
Known equivalents for LM2731XMF/NOPB include LM2731XMF, OPA4991IRUCR, UCC27519DBVR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2731XMF/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 LM2731XMF/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.