LM2673S-3.3Alternatives & Equivalent Parts
About LM2673S-3.3
LM2673S-3.3 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM2673S-3.3Source | LM2673S-3.3/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Other | TO-XXX (Inc. DPAK) |
| Pin Count | 4 | 4 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $3.4400 | $3.4400 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| Date Of Intro | 1998-05-01 | — |
| YTEOL | 0 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40 V | 40 V |
| Input Voltage-Min | 8 V | 8 V |
| Input Voltage-Nom | 12 V | 12 V |
| JESD-30 Code | R-PSSO-G7 | R-PSSO-G7 |
| JESD-609 Code | e0 | e3 |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Output Current-Max | 3 A | 3 A |
| Output Voltage-Max | 37 V | 37 V |
| Output Voltage-Min | 1.23 V | 1.23 V |
| Output Voltage-Nom | 3.3 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP7H,.55,50TB | SMSIP7H,.55,50TB |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 | 245 |
| Qualification Status | Not Qualified | Not Qualified |
| Surface Mount | YES | YES |
| Switcher Configuration | BUCK | BUCK |
| Switching Frequency-Max | 260 kHz | 260 kHz |
| Technology | BICMOS | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Regulator, Voltage-mode, 3A, 260kHz Switching Freq-Max, PSSO7
Why Look for Alternatives?
Finding alternatives for LM2673S-3.3 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 LM2673S-3.3 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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Request Alternatives for LM2673S-3.3FAQ
What is equivalent to LM2673S-3.3?
Known equivalents for LM2673S-3.3 include LM2673S-3.3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2673S-3.3?
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 LM2673S-3.3 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.