LM2991S/NOPBAlternatives & Equivalent Parts
About LM2991S/NOPB
LM2991S/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a TO-XXX (Inc. DPAK) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM2991S/NOPBSource | LM2991SX/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | TO-XXX (Inc. DPAK) | Other |
| Pin Count | 4 | 4 |
| Temperature Range | — | — |
| Price | $2.7600 | $1.4706 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 15 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Max | 1 V | 1 V |
| Dropout Voltage1-Nom | 0.6 V | 0.6 V |
| Input Voltage-Max | 0.3 V | 0.3 V |
| Input Voltage-Min | 26 V | 26 V |
| JESD-30 Code | R-PSSO-G5 | R-PSSO-G5 |
| JESD-609 Code | e3 | e3 |
| Line Regulation-Max (%/V) | 0.04 | 0.04 |
| Load Regulation-Max(%) | 0.4% | 0.4% |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C |
| Output Current1-Max | 1 A | 1 A |
| Output Voltage1-Max | 24 V | 24 V |
| Output Voltage1-Min | 3 V | 3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TR |
| Peak Reflow Temperature (Cel) | 245 | 245 |
| Qualification Status | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR | ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES |
| Technology | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.7 mm | 1.7 mm |
| Terminal Position | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Voltage Tolerance-Max | 5% | 5% |
| Reach Compliance Code | — | Not Compliant |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Regulator, 3V Min, 24V Max, 1V Dropout, BIPolar, PSSO5
Why Look for Alternatives?
Finding alternatives for LM2991S/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 LM2991S/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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM2991S/NOPB. Get expert recommendations within 24 hours.
Request Alternatives for LM2991S/NOPBFAQ
What is equivalent to LM2991S/NOPB?
Known equivalents for LM2991S/NOPB include LM2991SX/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2991S/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 LM2991S/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.