LM2940IMP-5.0In StockTexas Instruments
LM2940IMP-5.0 is a 1A low dropout linear voltage regulator with 5V fixed output, -40°C to 150°C operating range, and reverse battery protection. From $0.51, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LM2940IMP-5.0 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5074(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1A output current with ultra-low dropout voltage for efficient regulation
- Fixed 5V output with ±5% accuracy (4.75V–5.25V) for stable power supply
- Wide temperature range: -40°C to 150°C for industrial applications
- Built-in reverse battery protection and current limiting
- Low quiescent current ideal for battery-powered designs
Applications
The LM2940IMP-5.0 is widely used in battery-powered portable equipment where low dropout voltage is critical to maximizing battery life. It serves industrial control systems, automotive electronics, and embedded microcontroller boards requiring a stable 5V regulated supply. Its robust protection features make it suitable for automotive and harsh-environment applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1V |
| Dropout Voltage1-Nom | 0.5V |
| Input Voltage Absolute-Max | 60V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 6.25V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.05% |
| Load Regulation-Max | 0.08% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.3mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Voltage Tolerance-Max | 5% |
| ## LM2940IMP-5.0 Alternates Showing results | Image |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2940IMP-5.0:
Frequently Asked Questions
What is the output voltage and current rating of the LM2940IMP-5.0?
The LM2940IMP-5.0 provides a fixed 5V output voltage with ±5% accuracy (4.75V to 5.25V) and a maximum output current of 1A, making it suitable for powering microcontrollers, sensors, and other 5V logic circuits.
What is the operating temperature range of the LM2940IMP-5.0?
The LM2940IMP-5.0 operates from -40°C to +150°C junction temperature, covering both industrial and automotive temperature grades for reliable performance in demanding environments.
What package does the LM2940IMP-5.0 come in and what are its key protection features?
The LM2940IMP-5.0 is available in a plastic/epoxy package and includes built-in reverse battery protection, current limiting, and thermal shutdown, ensuring robust and safe operation in automotive and industrial designs.
What are common applications for the LM2940IMP-5.0?
Typical applications include battery-powered portable devices, automotive electronics, industrial control systems, and 5V regulated power supplies for embedded systems and microcontroller boards requiring stable low-dropout voltage regulation.
Related Guides
Is Buying Electronic Components from Chinese Suppliers Safe? A 2025–2026 Buyer's Guide
A 2025–2026 buyer's guide to sourcing electronic components from Chinese suppliers: real risks, authorized vs. broker channels, and a 5-point safety framework.
Apr 22, 2026
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.4350 | $2.44 |
| 365+ | $0.5486 | $200.24 |
| 475+ | $0.5280 | $250.80 |
| 595+ | $0.5074 | $301.90 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”