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STMICROELECTRONICS LM2931ADT50R Voltage Regulator

The LM2931 is a highly efficient, very low drop voltage regulator designed for low noise, low power applications, and battery-powered systems. It features an inhibit function, internal current and thermal limit, load dump protection up to 60 V, reverse transient protection, and supports adjustable or fixed output voltages (3.3 V, 5 V). Suitable for automotive and low noise electronics, the regulator offers low quiescent current, high stability, and operates within a temperature range of -40°C to 125°C. Available in TO-92, DPAK, and SO-8 packages, it's ideal for automotive, industrial, and consumer electronics where reliable voltage regulation is essential.

Authorized Distributors
Source:Newark
Part No:LM2931ADT50R
Stock:1851
Inv Date:06-11-2026
Price: Unit price: $1.14
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Source:DigiKey
Part No:LM2931ADT50R
Stock:7816
Inv Date:06-11-2026
Price: N/A
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Part No:LM2931ADT50R
Stock:11605
Inv Date:06-12-2026
Price: Unit price: $1.15
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Part No:LM2931ADT50R
Stock:16148
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LM2931ADT50R Voltage Regulator Specifications:

  • Input Voltage: up to 40 V DC, transient up to 60 V, reverse up to -50 V
  • Output Voltage: adjustable (from 2.5 V), fixed (3.3 V, 5 V)
  • Maximum Output Current: 100 mA
  • Dropout Voltage: typ. 90 mV at 10 mA load, max. 600 mV at 100 mA
  • Quiescent Current: typ. 2.5 mA at 100 mA load
  • Temperature Range: -40°C to 125°C
  • Load Dump Protection: up to 60 V
  • Reverse Transient Protection: up to -50 V
  • Packages: TO-92, DPAK, SO-8 (with inhibit control)
  • AEC-Q100 qualified (DPAK only)
  • Thermal and internal current limits for reliability

Buy the STMicroelectronics Series LM2931 Low Dropout Voltage Regulator: LM2931ADT50R

Purchase the STMicroelectronics Series LM2931 ADT50R voltage regulator online today and ensure your electronic projects benefit from low dropout voltage, high stability, and robust load dump and reverse transient protection. Ideal for automotive, industrial, and low noise applications, this regulator offers adjustable and fixed voltage options (3.3 V and 5 V), supports up to 100 mA load current, and operates within a temperature range of -40°C to 125°C. With reliable thermal management and compliance with automotive standards, it guarantees consistent performance in critical systems.

Order your STMicroelectronics Series LM2931 ADT50R low dropout voltage regulator today and give your projects the dependable quality they deserve.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LM2931ADT50R?

You can click on the BUY or RFQ button to purchase LM2931ADT50R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LM2931ADT50R?

You can download the LM2931ADT50R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LM2931ADT50R?

STMICROELECTRONICS

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