LM340K-5.0 The Texas Instruments LM340K-5.0 is a fixed output linear voltage regulator. It provides up to 1.5A output current with a 5V output voltage.
Mfr Part #:

LM340K-5.0

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM340K-5.0 is a fixed output linear voltage regulator. It provides up to 1.5A output current with a 5V output voltage.
✓ Total Stock: 130 pcs
$ Price Range: $58.20

LM340K-5.0 Available from 1 distributor

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LM340K-5.0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Package Quantity
Protection Features
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)

LM340K-5.0 Description

Short technical summary and product information.

The LM340K-5.0 from Texas Instruments is a monolithic 3-pin positive voltage regulator designed for a wide range of applications. It offers an output current of up to 1.5A and is available in a fixed 5V output option.

 

Key electrical specifications include an input voltage rating of 35V, a typical voltage dropout of 2V at 1A, and a PSRR of 70dB at 120Hz. The device incorporates internal current-limiting, thermal shutdown, and safe-area compensation, making it highly reliable.

 

This regulator is housed in a TO-204AA, TO-3 package and supports through-hole mounting. The operating temperature range is from 0°C to 125°C. It is suitable for local on-card regulation to eliminate noise and distribution problems associated with single-point regulation.

LM340K-5.0 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LM340K-5.0 Fixed Output Linear Regulator
Subcategory: Fixed Output

LM340K-5.0 Compliance

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

LM340K-5.0 Estimated Pricing

Qty Low High
1+ $58.20 $58.20

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

LM340K-5.0 Features

  • Provides 1.5A output current.
  • Fixed 5V output voltage.
  • Internal thermal overload protection.
  • Internal short-circuit protection.
  • Operates from 0°C to 125°C.

LM340K-5.0 Applications

  • Powering logic circuits and microcontrollers.
  • Used in industrial control systems.
  • Stable reference for analog circuits.
  • Regulating input for audio equipment.
  • Point-of-load regulation for subsystems.

LM340K-5.0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM340K-5.0?

The fixed output voltage is 5V.

What is the maximum input voltage?

The maximum input voltage is 35V.

What is the output current capability?

The output current is up to 1.5A.

What is the dropout voltage?

The typical dropout voltage is 2V at 1A output current.

What is the operating temperature range?

0°C to 125°C.

What package is the LM340K-5.0 available in?

It is available in a TO-3 (TO-204AA) through-hole package.

What protection features does it have?

It includes over current and short circuit protection.

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