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LM317D2T The LM317D2T is an adjustable positive linear voltage regulator from STMicroelectronics. It offers an output voltage range of 1.2V to 37V and can supply over 1.5A of load current.
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LM317D2T

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The LM317D2T is an adjustable positive linear voltage regulator from STMicroelectronics. It offers an output voltage range of 1.2V to 37V and can supply over 1.5A of load current.
✓ Total Stock: 325 pcs
$ Price Range: $0.28

LM317D2T Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
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325 pcs
On Request
325 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM317D2T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Power Dissipation
Protection Features
Supplier Device Package
Supplier Package
Voltage
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LM317D2T Description

Short technical summary and product information.

The LM317D2T is a monolithic integrated circuit designed for use as a positive adjustable voltage regulator. It is capable of supplying over 1.5A of load current with an output voltage adjustable from 1.2V to 37V. The output voltage is set using a simple resistive divider, simplifying design and reducing the need for multiple fixed regulators.

 

Key electrical specifications include a line regulation of 0.04%/V maximum and load regulation of 5mV maximum for Vo ≤ 5V. The adjustment pin current is typically 100μA, and the reference voltage is 1.25V typical. The device features internal protections such as current limiting, thermal shutdown, and safe operating area control.

 

This regulator is housed in a D²PAK surface mount package, suitable for various electronic applications. The operating temperature range is 0°C to 125°C. Its adjustable nature and built-in protections make it a versatile component for power supply designs requiring flexible voltage outputs.

LM317D2T Quick Information

Product Type: Voltage Regulator
Canonical Name: LM317D2T Adjustable Positive Voltage Regulator
Subcategory: Adjustable Positive Voltage Regulator

LM317D2T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM317D2T Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM317D2T Features

  • Adjustable positive voltage regulator.
  • Output voltage range 1.2V to 37V.
  • Output current exceeds 1.5A.
  • 0.1% line and load regulation.
  • D2PAK surface mount package.

LM317D2T Applications

  • Adjustable power supplies.
  • Battery charging circuits.
  • Post-regulation for switching supplies.
  • On-card regulation.

LM317D2T FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage range of the LM317D2T?

The output voltage is adjustable from 1.2V to 37V.

What is the maximum output current of the LM317D2T?

The output current can exceed 1.5A.

What is the operating temperature range of the LM317D2T?

The operating temperature range is 0°C to 125°C.

What package is the LM317D2T available in?

It is available in a TO-263-3, D²Pak (2 Leads + Tab), TO-263AB surface mount package.

What protection features does the LM317D2T include?

It includes over current, over temperature, and short circuit protection.

What is the typical reference voltage of the LM317D2T?

The typical reference voltage is 1.25V.

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