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LM317S The Texas Instruments LM317S is an adjustable positive linear voltage regulator. It offers an output current of 1.5A and an adjustable output voltage range from 1.25V to 37V.
Mfr Part #:

LM317S

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM317S is an adjustable positive linear voltage regulator. It offers an output current of 1.5A and an adjustable output voltage range from 1.25V to 37V.
✓ Total Stock: 2,763 pcs
$ Price Range: $0.28

LM317S Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
263 pcs
On Request
263 pcs On Request 1 On Request On Request 336 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.

LM317S 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
PSRR
Package Quantity
Protection Features
Supplier Device Package
Supplier Package
Voltage
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LM317S Description

Short technical summary and product information.

The LM317S from Texas Instruments is a versatile adjustable positive linear voltage regulator. It is designed to supply over 1.5A of current with an output voltage that can be adjusted from 1.25V to 37V using only two external resistors.

 

Key electrical specifications include typical load regulation of 0.1% and line regulation of 0.01%/V. The device also features 80dB ripple rejection and constant current limiting that remains stable across temperature variations. Protection features include over current, over temperature, and short circuit protection.

 

This regulator operates within a temperature range of 0°C to 125°C. It is available in a Surface Mount TO-263-4, D²Pak package, suitable for various electronic designs. The LM317S is part of the LM317-N family, known for its ease of use and robust overload protection circuitry.

LM317S Quick Information

Product Type: Linear Voltage Regulator
Series: LM317-N
Canonical Name: LM317S Adjustable Positive Linear Voltage Regulator
Subcategory: Linear

LM317S Compliance

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

LM317S Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM317S Features

  • Adjustable output voltage from 1.25V to 37V.
  • Output current capability up to 1.5A.
  • Built-in over current, over temperature, and short circuit protection.
  • Surface mount TO-263-4 (D²Pak) package.
  • Typical line regulation of 0.01%/V.

LM317S Applications

  • Adjustable output for breadboard power supplies
  • Post-regulation in linear power systems
  • Battery charging voltage regulation circuits
  • Industrial control system voltage rails
  • Test equipment adjustable reference supplies

LM317S FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage range of the LM317S?

The adjustable output voltage range is 1.25V to 37V.

What is the maximum output current of the LM317S?

The typical output current is 1.5A.

What is the operating temperature range of the LM317S?

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

What package is the LM317S available in?

The LM317S is offered in a TO-263-4, D²Pak (3 Leads + Tab), TO-263AA package with surface mount mounting.

What protection features does the LM317S include?

The LM317S includes over current, over temperature, and short circuit protection.

Is the LM317S an adjustable or fixed output regulator?

The LM317S has an adjustable output type.

What is the typical line regulation of the LM317S?

Typical line regulation is 0.01%/V.

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