LM2937ES-3.3/NOPBIn StockTexas Instruments
LM2937ES-3.3/NOPB is a TI 500mA 3.3V LDO regulator with 4.75-26V input range in SOT-223 package. Starting at $1.20 for 1000+ units, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT-223
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM2937ES-3.3/NOPB Datasheet PDF
- Category
- power-management
- Price
- From $1.0840(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output with 500mA maximum load current
- Wide 4.75V to 26V input voltage range
- Low dropout voltage of 0.5V typical at full load
- SOT-223 package with excellent thermal performance
- Operating temperature -40°C to 125°C for automotive grade
Applications
The LM2937ES-3.3/NOPB is widely used in automotive electronics, industrial control systems, and embedded designs requiring a stable 3.3V rail from higher voltage sources. It is ideal for powering microcontrollers, sensors, and communication modules in 12V or 24V systems.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Not Compliant |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.5V |
| Dropout Voltage1-Nom | 0.5V |
| Input Voltage Absolute-Max | 26V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 4.75V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.033% |
| Load Regulation-Max | 0.033% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 3.46V |
| Output Voltage1-Min | 3.14V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.55TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 245 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 4.8% |
| ## LM2937ES-3.3/NOPB Alternates Showing results | Image |
| Package | SOT-223 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2937ES-3.3/NOPB:
suggested
suggested
Frequently Asked Questions
What is the input voltage range of the LM2937ES-3.3/NOPB?
The LM2937ES-3.3/NOPB accepts input voltages from 4.75V to 26V, making it suitable for both 12V automotive and 24V industrial power systems. The wide input range provides reliable operation during voltage transients and load dump conditions.
What applications use the LM2937ES-3.3/NOPB voltage regulator?
This LDO regulator is commonly used in automotive ECUs, industrial control boards, and embedded systems that need a stable 3.3V supply from higher voltage rails. It powers microcontrollers, CAN transceivers, sensors, and other 3.3V logic devices.
What is the dropout voltage of the LM2937ES-3.3/NOPB?
The LM2937ES-3.3/NOPB has a typical dropout voltage of 0.5V at 500mA load current, meaning the minimum input voltage for full regulation is approximately 3.8V. This low dropout makes it efficient in battery-powered and automotive applications.
What package does the LM2937ES-3.3/NOPB come in?
The LM2937ES-3.3/NOPB is available in a 3-pin SOT-223 package which offers good thermal dissipation through its large exposed pad. The SOT-223 is a surface mount package suitable for automated assembly.
What is the operating temperature range of the LM2937ES-3.3/NOPB?
The device operates over a full -40°C to +125°C temperature range, qualifying it for automotive grade applications under AEC-Q100 standards. This extended range ensures reliable voltage regulation in harsh under-hood environments.
Related Guides
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
Understanding the 2025 Chip Shortage: Which Components Are Affected and What to Do
Analysis of the current semiconductor supply landscape, which components face extended lead times, and strategies for engineers and procurement teams.
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 |
|---|---|---|
| 10+ | $1.9500 | $19.50 |
| 25+ | $1.7000 | $42.50 |
| 90+ | $1.5600 | $140.40 |
| 100+ | $1.2612 | $126.12 |
| 1000+ | $1.2011 | $1201.10 |
| 10000+ | $1.0840 | $10840.00 |
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.”