LM2673SDX-3.3

$2.30

Description：IC REG BUCK 3.3V 3A 14VSON
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:91b1e54e80d3 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2673SDX-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 14VSON. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2673SDX-3.3

Description：IC REG BUCK 3.3V 3A 14VSON
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：14-VDFN Exposed Pad
Supplier Device Package：14-VSON (5x6)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2673SDX-3.3

LM2673SDX-3.3

Voltage Regulators - DC DC Switching Regulators Overview

The LM2673SDX-3.3/NOPB is a Texas Instruments SIMPLE SWITCHER® 3A step-down voltage regulator in a VSON-14 package. It operates with an input voltage range of 8V to 40V and provides a fixed 3.3V output at up to 3A. The device features a 260kHz switching frequency, adjustable current limit, and thermal shutdown protection. It supports operation from -40°C to +125°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated high-side and low-side power switches for efficient buck conversion
Adjustable current limit capability for flexible load protection
Thermal shutdown circuitry protects against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'NOPB' indicates lead-free/RoHS compliance. Confirm the 'SDX' designation corresponds to the VSON-14 surface-mount package. Ensure the '-3.3' variant matches the required fixed output voltage specification for your design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required from an 8V-40V input source. The VSON-14 package suits space-constrained PCB layouts. Consider the 260kHz frequency for balancing component size and efficiency requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LM2673 SIMPLE SWITCHER family, offering 3A step-down regulation. The SDX variant specifically denotes the VSON-14 surface-mount package. This series integrates power switches to minimize external component count compared to discrete solutions.