LM2679SX-ADJ/NOPB

$5.14

Description：IC REG BUCK ADJ 5A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fbe28003d055 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2679SX-ADJ/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 5A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2679SX-ADJ/NOPB

Description：IC REG BUCK ADJ 5A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：8V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.21V
Voltage - Output (Max)：37V
Current - Output：5A
Frequency - Switching：260kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package：TO-263 (DDPAK-7)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2679SX-ADJ/NOPB

LM2679SX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2679SX-ADJ/NOPB is a SIMPLE SWITCHER® 5A step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 8V to 40V and provides an adjustable output voltage from 1.2V to 37V. The device features a fixed switching frequency of 260kHz, enabling the use of compact external components. It delivers up to 5A of output current through a single channel. The unit is housed in a TO-263-7 surface-mount package and supports operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated low on-resistance DMOS power switch for high efficiency
Adjustable peak current limit via external resistor
Built-in thermal shutdown protection
Soft-start capability to reduce input surge current

Voltage Regulators - DC DC Switching Regulators Applications

Efficient pre-regulators for linear regulator systems
Battery charger circuits
Post-regulation for bus distribution systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free packaging specifications against the latest datasheet revision. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly. Cross-reference ordering suffixes to confirm exact pinout and functional configuration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when designing buck converters requiring up to 5A continuous load current. The adjustable output voltage range suits applications needing precise voltage tailoring. Consider the 260kHz switching frequency for balancing component size and electromagnetic interference. Evaluate thermal management needs given the TO-263-7 package and high current capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2679 series of SIMPLE SWITCHER regulators. It represents the adjustable output variant within the family, distinct from fixed-voltage versions like the 3.3V or 5.0V models. The SX suffix indicates the specific surface-mount TO-263-7 package type used for this component.