LM2677S-5.0/NOPB

$5.94

Description：IC REG BUCK 5V 5A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:a3a1f161c9bc Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2677S-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 TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2677S-5.0/NOPB

Description：IC REG BUCK 5V 5A TO263
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)：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：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 LM2677S-5.0/NOPB

LM2677S-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2677S-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER® step-down switching regulator in a TO-263-7 package. It delivers a fixed 5 V output at up to 5 A with an input voltage range of 8 V to 40 V. Operating at a 260 kHz frequency, it achieves high efficiency and includes integrated features such as a 1.23 V reference, current limit protection, thermal shutdown, and enable control.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated power switch for simplified design
Fixed 1.23 V internal reference for accuracy
Built-in current limit and thermal shutdown protection

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix matches the required package and temperature grade. Confirm RoHS compliance status through official documentation. Ensure the supplier provides valid traceability records. Cross-reference the manufacturer part number against the latest datasheet revision to confirm pinout and electrical specifications remain unchanged.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from a higher voltage rail. The TO-263-7 package supports high current handling. Verify that the input voltage stays within the 8 V to 40 V range. Consider external component values for the feedback network if adjusting output voltage, though this variant is fixed.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LM2677 SIMPLE SWITCHER family, designed for high-efficiency DC-DC conversion. The series offers various fixed voltage options and adjustable variants. It utilizes a buck topology to step down input voltages efficiently while maintaining compact board space requirements through integrated power components.