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LM2679T-12 The Texas Instruments LM2679T-12 is a 5A step-down DC/DC switching regulator. It operates with an input voltage range of 8V to 40V and features a fixed 12V output.
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LM2679T-12

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2679T-12 is a 5A step-down DC/DC switching regulator. It operates with an input voltage range of 8V to 40V and features a fixed 12V output.
✓ Total Stock: 45 pcs
$ Price Range: $0.16

LM2679T-12 Available from 1 distributor

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✓ Non-Authorised
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Speed Components Ltd ✓
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45 pcs
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LM2679T-12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Current
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Operating Voltage
Output Configuration
Output Type
Output Voltage
Package Quantity
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Supplier Package
Synchronous Rectifier
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LM2679T-12 Description

Short technical summary and product information.

The LM2679T-12 from Texas Instruments is a monolithic integrated circuit designed for step-down (buck) switching regulator applications, capable of driving loads up to 5A. It offers excellent line and load regulation characteristics.

 

Key electrical specifications include a wide input voltage range from 8V to 40V and a fixed 12V output voltage. The regulator operates at a high fixed frequency of 260kHz, allowing for the use of smaller external components. It boasts high efficiency, up to 92%, due to its low ON-resistance DMOS output switch (120mΩ).

 

The device features a resistor-programmable peak current limit ranging from 3A to 7A and a maximum output tolerance of ±2% over full line and load conditions. Soft-start capability is included to reduce input surge current at power on.

 

Packaged in a TO-220-7 configuration with through-hole mounting, the LM2679T-12 is suitable for designs requiring robust power management. The operating temperature range is -40°C to 125°C (TJ).

LM2679T-12 Quick Information

Product Type: DC/DC Switching Regulator
Series: LM2679
Canonical Name: LM2679T-12 Step-Down DC/DC Switching Regulator
Subcategory: Step-Down (Buck)

LM2679T-12 Compliance

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

LM2679T-12 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2679T-12 Features

  • 5A step-down DC/DC switching regulator.
  • Wide 8V to 40V input voltage range.
  • Fixed 12V output voltage.
  • High efficiency up to 92%.
  • TO-220-7 package for through-hole mounting.

LM2679T-12 Applications

  • Powering electronic systems requiring stable voltage.
  • Suitable for designs with moderate to high current needs.
  • Applications benefiting from high switching efficiency.
  • Designs requiring a fixed 12V output rail.

LM2679T-12 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LM2679T-12?

The input voltage range is 8V to 40V.

What is the output current capability of the LM2679T-12?

The LM2679T-12 can supply up to 5A of output current.

What is the fixed output voltage of the LM2679T-12?

The LM2679T-12 provides a fixed output voltage of 12V.

What is the switching frequency of the LM2679T-12?

The switching frequency is fixed at 260kHz.

What is the operating temperature range for the LM2679T-12?

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

What type of package is the LM2679T-12 in?

The LM2679T-12 is available in a TO-220-7 package.

How is the LM2679T-12 mounted?

The LM2679T-12 is designed for through-hole mounting.

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