LM2678LD-5.0 The Texas Instruments LM2678LD-5.0 is a fixed output voltage regulator designed for step-down (buck) conversion. It operates with an input voltage range of 8V to 40V and provides a stable 5V output at up to 5A.
Mfr Part #:

LM2678LD-5.0

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2678LD-5.0 is a fixed output voltage regulator designed for step-down (buck) conversion. It operates with an input voltage range of 8V to 40V and provides a stable 5V output at up to 5A.
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$ Price Range: $0.16

LM2678LD-5.0 Available from 1 distributor

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LM2678LD-5.0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

LM2678LD-5.0 Description

Short technical summary and product information.

The LM2678LD-5.0 from Texas Instruments is a high-performance DC-DC switching regulator. It is designed in a voltage-mode topology to provide a fixed 5V output voltage, making it suitable for a wide range of power supply applications.

 

This regulator features a wide input voltage range from 8V to 40V and can deliver a maximum output current of 5A. Its integrated switch simplifies design and reduces component count. The device operates at a switching frequency of 260kHz, allowing for the use of smaller external components.

 

Designed for surface mount applications, the LM2678LD-5.0 is housed in a 14-VSON (6x5) package with an exposed pad for enhanced thermal performance. The operating temperature range is -40°C to 125°C (TJ), ensuring reliability in demanding environments. It is a non-synchronous buck converter, meaning it requires an external diode for rectification.

LM2678LD-5.0 Quick Information

Product Type: DC-DC Switching Regulator
Series: LM2678
Canonical Name: LM2678LD-5.0 DC-DC Switching Regulator
Subcategory: DC-DC Switching Regulator

LM2678LD-5.0 Compliance

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

LM2678LD-5.0 Estimated Pricing

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1+ $0.16 $0.16

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

LM2678LD-5.0 Features

  • Step-down DC-DC switching regulator.
  • Fixed 5V output voltage.
  • Maximum output current of 5A.
  • Wide 8V to 40V input voltage range.
  • Surface mount 14-VSON package.

LM2678LD-5.0 Applications

  • Powering electronic devices requiring 5V.
  • Suitable for industrial power supplies.
  • Used in battery-powered systems.
  • General purpose voltage regulation.

LM2678LD-5.0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage of the LM2678LD-5.0?

8V.

What is the output voltage?

5V fixed.

What is the output current rating?

5A.

What is the switching frequency?

260kHz.

What is the operating temperature range?

-40°C to 125°C.

What package does the LM2678LD-5.0 come in?

14-VSON Exposed Pad.

What is the mounting type?

Surface Mount.

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