LM2678SD-5.0/NOPB

$5.69

Description：IC REG BUCK 5V 5A 14VSON
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9617f8685205 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2678SD-5.0/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 5V 5A 14VSON. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2678SD-5.0/NOPB

Description：IC REG BUCK 5V 5A 14VSON
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)：5V
Voltage - Output (Max)：-
Current - Output：5A
Frequency - Switching：260kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：14-VDFN Exposed Pad
Supplier Device Package：14-VSON (5x6)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2678SD-5.0/NOPB

LM2678SD-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2678SD-5.0/NOPB is a SIMPLE SWITCHER step-down switching voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 8 V to 40 V and provides a fixed output voltage of 5 V at up to 5 A output current. The device utilizes a buck topology with a fixed switching frequency of 260 kHz. It is housed in a 14-pin VSON package and supports surface mount installation. The component functions within a junction temperature range of -40 °C to +125 °C and draws a typical quiescent current of 4.2 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a power switch for high-efficiency step-down conversion
Includes internal frequency compensation to minimize external component count
Features thermal shutdown protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for embedded systems
Battery-powered equipment power management
Industrial control system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix /NOPB indicates lead-free and RoHS compliance. Confirm the SD package designation corresponds to the 14-VSON form factor. Ensure the -5.0 suffix matches the required 5 V fixed output specification. Cross-reference the manufacturer part number against official Texas Instruments documentation to validate authenticity and revision status before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from an 8 V to 40 V input source. The 5 A current capability suits moderate power applications. The VSON package is appropriate for space-constrained surface-mount designs. Consider the 260 kHz switching frequency for balancing efficiency and passive component size requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2678 family of SIMPLE SWITCHER regulators. It shares core architecture with variants offering different output voltages or adjustable settings. The LM2678 series is designed for straightforward implementation with minimal external components, distinguishing it from more complex controller-based solutions requiring additional feedback network design.