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STMICROELECTRONICS LM317TDG Adjustable Voltage Regulator

The LM217 and LM317 are adjustable positive voltage regulators capable of outputting from 1.2 V to 37 V, supporting load currents over 1.5 A. Designed with protections like current limiting, thermal shutdown, and SOA control, they operate in floating mode for high voltages. Available in TO-220, TO-220FP, and DPAK packages, these monolithic ICs are easy to use with resistor-divided output voltage settings, suitable for diverse power supply applications in industrial and electronic systems, ensuring stable voltage regulation with excellent line and load regulation characteristics.

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Source:Newark
Part No:LM317T-DG
Stock:1388
Inv Date:06-11-2026
Price: Unit price: $0.886
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Source:DigiKey
Part No:LM317T-DG
Stock:2557
Inv Date:06-11-2026
Price: Unit price: $1.72
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Part No:LM317T-DG
Stock:5
Inv Date:06-12-2026
Price: Unit price: $0.86
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Part No:LM317T-DG
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.06
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Part No:LM317T-DG
Stock:3605
Inv Date:06-11-2026
Price: Unit price: $0.36
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Source:Arrow EU
Part No:LM317T-DG
Stock:11075
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LM317TDG Adjustable Voltage Regulator Specifications:

  • Output voltage range: 1.2 to 37 V
  • Maximum output current: over 1.5 A
  • Line regulation: 0.1%
  • Load regulation: 5 mV to 20 mV depending on model
  • Package types: TO-220, TO-220FP, DPAK
  • Thermal shutdown and SOA protection included
  • Supported input voltage: up to 40 V
  • Operating temperature: -40°C to 150°C
  • Thermal resistance junction-case: 3°C/W (DPAK), 5°C/W (TO-220)
  • Thermal resistance junction-ambient: 50°C/W to 62.5°C/W
  • Adjustable output via resistive divider
  • Float operation for high voltage regulation

Buy the Buy STMicroelectronics LM217 LM317 Part Number LM317TDG Online

Order the STMicroelectronics LM217 or LM317 adjustable voltage regulators online today. Reliable power solutions supporting 1.2 to 37 V output, over 1.5 A current, with built-in thermal shutdown and protection features. Suitable for industrial, electronic, and power supply applications, these voltage regulators feature easy-to-adjust settings through resistors, ensuring stable voltage supply with minimal line and load regulation. Optimize your power management systems now by purchasing these high-performance, durable regulators designed for efficiency and long-lasting operation.

Get STMicroelectronics LM317 today—built for precise voltage regulation with extended load capacity and thermal protection.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LM317TDG?

You can click on the BUY or RFQ button to purchase LM317TDG from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LM317TDG?

You can download the LM317TDG datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LM317TDG?

STMICROELECTRONICS

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