LM2937ET-3.3/NOPBAlternatives & Equivalent Parts
About LM2937ET-3.3/NOPB
LM2937ET-3.3/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Transistor Outline, Vertical 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 | LM2937ET-3.3/NOPBSource | LM2937ET-3.3 | LM2937ES-3.3/NOPB | LM2937IMP-3.3/NOPB | PIC32MX470F512L-120/PT |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | SOT-223 | SOT223 (3-Pin) | Quad Flat Packages |
| Pin Count | 3 | 3 | 3 | 3 | 100 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C |
| Price | $0.7050 | $0.7050 | $1.0840 | $0.9363 | $6.6400 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | Yes | — |
| YTEOL | 15 | 0 | 15 | 15 | 13 |
| Adjustability | FIXED | FIXED | FIXED | FIXED | — |
| Dropout Voltage1-Max | 0.5 V | 0.5 V | 0.5 V | 0.5 V | — |
| Dropout Voltage1-Nom | 0.5 V | 0.5 V | 0.5 V | 0.5 V | — |
| Input Voltage Absolute-Max | 26 V | 26 V | 26 V | 26 V | — |
| Input Voltage-Max | 26 V | 26 V | 26 V | 26 V | — |
| Input Voltage-Min | 4.75 V | 4.75 V | 4.75 V | 4.75 V | — |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-PSSO-G3 | R-PDSO-G4 | S-PQFP-G100 |
| JESD-609 Code | e3 | e0 | e3 | e3 | e3 |
| Line Regulation-Max | 0.033% | 0.033% | 0.033% | 0.033% | — |
| Load Regulation-Max | 0.033% | 0.033% | 0.033% | 0.033% | — |
| Number of Functions | 1 | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | 1 | 1 | — |
| Operating Temperature TJ-Max | 125 °C | 150 °C | 125 °C | 85 °C | — |
| Operating Temperature TJ-Min | -40 °C | — | -40 °C | -40 °C | — |
| Output Current1-Max | 0.5 A | 0.5 A | 0.5 A | 0.5 A | — |
| Output Voltage1-Max | 3.46 V | 3.46 V | 3.46 V | 3.46 V | — |
| Output Voltage1-Min | 3.14 V | 3.14 V | 3.14 V | 3.14 V | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | SIP3,.1TB | SMSIP3H,.55TB | SOT-223 | TQFP100,.55SQ,16 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, THIN PROFILE, FINE PITCH |
| Packing Method | TUBE | TUBE | TUBE | TR | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Surface Mount | NO | NO | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | CMOS |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.3 mm | 0.4 mm |
| Terminal Position | SINGLE | SINGLE | SINGLE | DUAL | QUAD |
| Voltage Tolerance-Max | 4.8% | 4.8% | 4.8% | 4.8% | — |
| ## LM2937ET-3.3/NOPB Alternates Showing results | Image | — | — | — | — |
| Date Of Intro | — | 1998-02-01 | — | — | — |
| Peak Reflow Temperature (Cel) | — | NOT APPLICABLE | 245 | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | NOT APPLICABLE | 30 | 30 | — |
| Reach Compliance Code | — | — | Not Compliant | — | — |
| ## LM2937ES-3.3/NOPB Alternates Showing results | — | — | Image | — | — |
| ## LM2937IMP-3.3/NOPB Alternates Showing results | — | — | — | Image | — |
| Manufacturer Package Code | — | — | — | — | TQFP-100 |
| Factory Lead Time | — | — | — | — | 21 Weeks |
| Has ADC | — | — | — | — | YES |
| Additional Feature | — | — | — | — | AEC-Q100 REVH (GRADE 2 -40 CEL TO +105 CEL) PLANNED |
| Bit Size | — | — | — | — | 32 |
| Boundary Scan | — | — | — | — | YES |
| CPU Family | — | — | — | — | PIC32 |
| Clock Frequency-Max | — | — | — | — | 120 MHz |
| DAC Channels | — | — | — | — | NO |
| DMA Channels | — | — | — | — | YES |
| Format | — | — | — | — | FIXED POINT |
| Integrated Cache | — | — | — | — | NO |
| Low Power Mode | — | — | — | — | YES |
| Number of DMA Channels | — | — | — | — | 4 |
| Number of External Interrupts | — | — | — | — | 5 |
| Number of I/O Lines | — | — | — | — | 81 |
| Number of Timers | — | — | — | — | 5 |
| On Chip Data RAM Width | — | — | — | — | 8 |
| On Chip Program ROM Width | — | — | — | — | 8 |
| PWM Channels | — | — | — | — | YES |
| RAM (bytes) | — | — | — | — | 131072 |
| RAM (words) | — | — | — | — | 131072 |
| ROM (words) | — | — | — | — | 536576 |
| ROM Programmability | — | — | — | — | FLASH |
| Screening Level | — | — | — | — | TS 16949 |
| Speed | — | — | — | — | 120 MHz |
| Supply Current-Max | — | — | — | — | 84 mA |
| Supply Voltage-Max | — | — | — | — | 3.6 V |
| Supply Voltage-Min | — | — | — | — | 2.3 V |
| Supply Voltage-Nom | — | — | — | — | 3.3 V |
| Temperature Grade | — | — | — | — | COMMERCIAL |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | MICROCONTROLLER, RISC |
| ## PIC32MX470F512L-120/PT Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for LM2937ET-3.3/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 LM2937ET-3.3/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 LM2937ET-3.3/NOPB?
Known equivalents for LM2937ET-3.3/NOPB include LM2937ET-3.3, LM2937ES-3.3/NOPB, LM2937IMP-3.3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2937ET-3.3/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 LM2937ET-3.3/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.