LM2670SX-3.3

$2.44

Description：IC REG BUCK 3.3V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:40ba59818a76 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2670SX-3.3 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 3.3V 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2670SX-3.3

Description：IC REG BUCK 3.3V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)
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)：3.3V
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 LM2670SX-3.3

LM2670SX-3.3

Voltage Regulators - DC DC Switching Regulators Overview

The LM2670SX-3.3/NOPB is a SIMPLE SWITCHER high-efficiency 3A step-down voltage regulator featuring integrated synchronous rectification. It operates with an input voltage range of 4.5V to 40V, delivering a fixed 3.3V output at up to 3A. The device utilizes a 150kHz switching frequency and includes thermal shutdown and current limit protection. Packaged in D2PAK-8 (TO-263), it supports operation from -40°C to +125°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectifier for enhanced efficiency
Fixed 3.3V output option simplifies design
Built-in thermal shutdown and current limiting

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and RoHS compliance status. Ensure the ordering part number matches the required lead frame configuration. Cross-reference datasheet revisions to validate electrical characteristics before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high efficiency and compact solution size due to integrated synchronous rectification. Consider the 40V maximum input rating and 3A continuous current capability when sizing external components. Evaluate thermal performance requirements given the TO-263 package constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2670 SIMPLE SWITCHER family, designed for high-efficiency DC-DC conversion. It differentiates itself through internal synchronous switches, reducing external component count compared to asynchronous counterparts. The series targets cost-sensitive, space-constrained power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2670SX-3.3/NOPB serves as the direct RoHS-compliant replacement for non-NOPB variants. Verify pinout compatibility and thermal characteristics when substituting older generation parts.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.