LM34914SDX

Voltage Regulators - DC DC Switching Regulators Overview

The LM34914SDX is an ultra-small step-down switching regulator manufactured by Texas Instruments. It features an integrated N-channel buck switch and intelligent current limit, supporting an input voltage range of 8V to 40V with a maximum output current of 1.25A. The device operates at a fixed switching frequency and provides adjustable output voltage up to 37V. It is housed in a compact 10-WSON package and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates an N-channel buck switch for efficient power conversion
• Features valley current limiting that varies with input and output voltages
• Designed for low-cost, high-efficiency applications in small form factors

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Bias supply generation in industrial equipment
• Power management in automotive electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the datasheet to confirm lead-free compliance and RoHS status. Ensure the ordering part number matches the required package variant and tape-and-reel specifications. Cross-reference the manufacturer's latest documentation to confirm availability and any potential design changes or obsolescence notices before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for stepping down 8V to 40V inputs to lower voltages. The integrated switch eliminates external MOSFETs, reducing board space. Consider the thermal performance of the WSON package for high-current applications. Verify that the fixed switching frequency meets EMI requirements for the target system.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to Texas Instruments' family of ultra-small step-down regulators. It shares architectural similarities with other members like the LM34926 but offers distinct current handling and input voltage characteristics. The series focuses on minimizing component count and footprint while maintaining robust protection features for reliable operation in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the LM34914SD/NOPB. Other compatible options may include variants from the same family with adjusted current ratings or pin configurations. Verify electrical compatibility and thermal dissipation capabilities when considering alternative packages or updated revisions.