LM2678S-12 The Texas Instruments LM2678S-12 is a high-efficiency, 5A SIMPLE SWITCHER buck converter. It operates with an input voltage range of 8V to 40V and offers an adjustable output voltage from 1.23V to 37V.
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LM2678S-12

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The Texas Instruments LM2678S-12 is a high-efficiency, 5A SIMPLE SWITCHER buck converter. It operates with an input voltage range of 8V to 40V and offers an adjustable output voltage from 1.23V to 37V.
✓ Total Stock: 92 pcs

LM2678S-12 Available from 1 distributor

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LM2678S-12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Halogen Free
Industrial Grade
Medical Grade
Military Grade
SVHC Present

LM2678S-12 Description

Short technical summary and product information.

The LM2678S-12 from Texas Instruments is a 5A SIMPLE SWITCHER buck converter designed for high efficiency and ease of use. It supports a wide input voltage range of 8V to 40V, making it suitable for various power supply applications. The output voltage is adjustable from 1.23V to 37V, providing flexibility for different system requirements.

 

This device features an integrated 120mΩ DMOS output switch and operates at a fixed 260kHz internal oscillator frequency. Key electrical characteristics include a maximum output current of 5A, typical quiescent current of 4.2mA, and a maximum duty cycle of 91%. It also includes features like frequency synchronization and over-current protection.

 

The LM2678S-12 is available in TO-263, TO-220, and VSON packages, supporting both surface mount and through-hole mounting types. Its operating temperature range is -40°C to 125°C, ensuring reliable performance in demanding environments. The converter offers up to 92% efficiency and ±2% maximum output tolerance over the full line and load conditions.

LM2678S-12 Quick Information

Product Type: Buck Converter
Series: LM2678
Canonical Name: LM2678S-12 SIMPLE SWITCHER Buck Converter
Subcategory: Buck Converter

LM2678S-12 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

LM2678S-12 Features

  • High efficiency up to 92% operation.
  • Wide 8V to 40V input voltage range.
  • Adjustable output from 1.23V to 37V.
  • Integrated 120mΩ DMOS output switch.
  • Over current protection feature included.

LM2678S-12 Applications

  • Suitable for step-down voltage regulation.
  • Ideal for power supply designs.
  • Used in systems requiring 5A output.
  • Applicable for wide input voltage needs.

LM2678S-12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LM2678S-12?

The input voltage range is 8V to 40V.

What is the maximum output current of the LM2678S-12?

The maximum output current is 5A.

What is the adjustable output voltage range for the LM2678S-12?

The output voltage is adjustable from 1.23V to 37V.

What is the operating temperature range of the LM2678S-12?

The operating temperature range is -40°C to 125°C.

What is the efficiency of the LM2678S-12 buck converter?

The efficiency is up to 92%.

What package types are available for the LM2678S-12?

It is available in TO-263 (KTW), TO-220 (NDZ), and VSON (NHM) packages.

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