LM2676SX-12

$4.46

Description：IC REG BUCK 12V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ab2d357f2c08 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2676SX-12 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 12V 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2676SX-12

Description：IC REG BUCK 12V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：8V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：12V
Voltage - Output (Max)：-
Current - Output：3A
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 LM2676SX-12

LM2676SX-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2676SX-12/NOPB is a SIMPLE SWITCHER® step-down voltage regulator IC manufactured by Texas Instruments. It operates with an input voltage range of 8V to 40V and provides a fixed 12V output at up to 3A. The device integrates a 260kHz switching frequency, enabling the use of compact external components. It features thermal shutdown and current limit protection within a TO-263-8 (D2PAK) surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated high-voltage MOSFET for efficient buck conversion
Fixed 12V output option simplifies design
Built-in thermal shutdown and current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for embedded systems
Battery-powered equipment power conditioning
General-purpose 12V distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as /NOPB for lead-free compliance. Confirm the specific package variant (e.g., SX vs SD) matches the required footprint. Ensure the fixed 12V version aligns with system requirements rather than adjustable variants.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required from an 8V to 40V input source. The 3A current capacity suits moderate load applications. Consider the TO-263 package for thermal performance in space-constrained designs without active cooling.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the SIMPLE SWITCHER family, designed for ease of use with minimal external components. The LM2676 series offers various fixed voltage options and packages, providing flexibility for different power levels and form factors in DC-DC conversion applications.