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LM317AEMP The Texas Instruments LM317AEMP is an adjustable positive linear voltage regulator. It provides up to 1.5A output current with an adjustable output voltage range.
Mfr Part #:

LM317AEMP

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM317AEMP is an adjustable positive linear voltage regulator. It provides up to 1.5A output current with an adjustable output voltage range.
✓ Total Stock: 3,952 pcs
$ Price Range: $0.28

LM317AEMP Available from 4 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
2,568 pcs
On Request
2568 pcs On Request 1 On Request On Request On Request On Request On Request
Husky International Electronic ✓
Non-Authorised Inventory information
930 pcs
On Request
930 pcs On Request 1 On Request On Request N/A On Request On Request
Chanetech ✓
Non-Authorised Inventory information
450 pcs
On Request
450 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
4 pcs
On Request
4 pcs On Request 1 On Request On Request 0318 On Request 2026-05-08 14:15:38
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.

LM317AEMP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Package / Case
Protection Features
Supplier Device Package
Voltage
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LM317AEMP Description

Short technical summary and product information.

The Texas Instruments LM317AEMP is a versatile adjustable positive linear voltage regulator designed for a wide range of applications. It can supply currents in excess of 1.5A over an output voltage range of 1.25V to 37V, offering 1% output voltage accuracy. This device provides superior line and load regulation compared to standard fixed regulators.

 

Key electrical specifications include a maximum input voltage of 40V and a minimum input voltage of 3V. The regulator features adjustable output options, a maximum output current of 1.5A, and a typical dropout voltage of 2250mV. It also offers protection features such as over current, over temperature, and short circuit protection.

 

The LM317AEMP operates within a temperature range of -40°C to 125°C. It is available in a surface mount SOT-223-4 package, as well as TO-261-4 and TO-261AA options. The device requires no output capacitor and has a constant current limit with temperature.

LM317AEMP Quick Information

Product Type: Linear Voltage Regulator
Series: LM317A
Canonical Name: LM317AEMP Adjustable Linear Voltage Regulator
Subcategory: Linear

LM317AEMP Compliance

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

LM317AEMP Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM317AEMP Features

  • Adjustable positive linear voltage regulator.
  • 1.5A maximum output current.
  • 1.25V to 37V adjustable output voltage.
  • Operates from -40°C to 125°C.
  • SOT-223-4 surface mount package.

LM317AEMP Applications

  • Adjustable power supply circuits.
  • Voltage regulation for electronic devices.
  • Battery charging applications.
  • Post-regulation for switching supplies.

LM317AEMP FAQs

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

3V to 40V.

What is the output voltage range?

Adjustable from 1.2V to 37V.

What is the maximum output current?

1.5A.

What is the operating temperature range?

-40°C to 125°C.

What package is available?

SOT-223-4 (TO-261-4, TO-261AA).

What protection features does it have?

Short-circuit, over-current, and over-temperature protection.

What is the typical dropout voltage?

2250mV.

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