LM2678T-12

$3.39

Description：IC REG BUCK 12V 5A TO220-7
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:070c26ab2e84 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2678T-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 5A TO220-7. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2678T-12

Description：IC REG BUCK 12V 5A TO220-7
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：15V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：12V
Voltage - Output (Max)：-
Current - Output：5A
Frequency - Switching：260kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-7 Formed Leads
Supplier Device Package：TO-220-7
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2678T-12

LM2678T-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2678T-12 is a SIMPLE SWITCHER high-efficiency 5A step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 8 V to 40 V and provides a fixed 12 V output at up to 5 A. The device features a switching frequency of 260 kHz, a maximum static current of 4.2 mA, and supports shutdown functionality. It is housed in a TO-220-7 through-hole package and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic buck converter topology for efficient step-down regulation
Built-in thermal shutdown protection to safeguard against overheating
Fixed 12 V output configuration eliminates external feedback resistor requirements

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for embedded systems
Power supply stages for industrial control equipment
Battery-powered devices requiring stable 12 V rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix NOPB indicates lead-free compliance when sourcing replacements. Confirm the TO-220-7 package variant matches your board layout constraints. Ensure the fixed 12 V output specification aligns with load requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a robust 5 A current capacity with minimal external components. The fixed 12 V output simplifies design compared to adjustable variants. Consider the TO-220-7 package for applications prioritizing thermal dissipation over compact surface-mount footprints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2678 family of SIMPLE SWITCHER regulators. It shares core architecture with other output voltage variants such as LM2678T-3.3 and LM2678T-ADJ. The family is characterized by high efficiency and simplified design implementation for standard DC-DC conversion tasks.