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LM2676SX-5.0/NOPB The Texas Instruments LM2676SX-5.0/NOPB is a 3A step-down switching regulator with a fixed 5V output. It operates over an 8V to 40V input voltage range.
Mfr Part #:

LM2676SX-5.0/NOPB

Available from 7 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2676SX-5.0/NOPB is a 3A step-down switching regulator with a fixed 5V output. It operates over an 8V to 40V input voltage range.
✓ Total Stock: 12,338 pcs
$ Price Range: $2.45

LM2676SX-5.0/NOPB Available from 7 distributors

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LM2676SX-5.0/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
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Voltage
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LM2676SX-5.0/NOPB Description

Short technical summary and product information.

The LM2676SX-5.0/NOPB from Texas Instruments is a monolithic integrated circuit designed as a step-down (buck) switching regulator. It is capable of driving loads up to 3A and offers a fixed 5V output voltage. This regulator features a wide input voltage range from 8V to 40V, making it suitable for various power supply applications.

 

The device operates at a fixed switching frequency of 260kHz, simplifying external component selection. It includes a 150mΩ DMOS output switch and provides ±2% maximum output tolerance over the full line and load conditions. The operating junction temperature range is -40°C to 125°C.

 

Designed for ease of use, the LM2676 series requires minimal external components for operation. It is available in a TO-263-7 surface mount package (DDPAK/TO-263-7), facilitating integration into compact designs. The regulator also offers a low standby current of 50µA when switched off.

LM2676SX-5.0/NOPB Quick Information

Product Type: Step-Down Switching Regulator
Series: LM2676
Canonical Name: LM2676SX-5.0/NOPB Step-Down Switching Regulator
Subcategory: Step-Down Switching Regulators

LM2676SX-5.0/NOPB Compliance

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

LM2676SX-5.0/NOPB Estimated Pricing

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1+ $2.45 $2.45

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

LM2676SX-5.0/NOPB Features

  • 3A output current capability.
  • Wide 8V to 40V input voltage range.
  • Fixed 5V output voltage.
  • 260kHz switching frequency.
  • TO-263-7 surface mount package.

LM2676SX-5.0/NOPB Applications

  • Generates stable 5V rail from higher supplies.
  • Low standby current for battery applications.
  • Step-down power conversion up to 3A.
  • Suitable for distributed power architecture.

LM2676SX-5.0/NOPB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM2676SX-5.0/NOPB?

The input voltage range is 8V to 40V.

What is the output voltage and current of this regulator?

It provides a fixed 5V output with up to 3A output current.

What is the operating temperature range?

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

What is the switching frequency?

The switching frequency is 260kHz.

What is the maximum efficiency?

Efficiency is up to 94%.

What is the standby current when the regulator is switched off?

Standby current is 50µA when switched OFF.

What package is available?

It is available in a TO-263-8, D²Pak (7 Leads + Tab), TO-263CA surface-mount package.

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