LM34914SD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34914SD/NOPB is an ultra-small step-down switching regulator manufactured by Texas Instruments. It integrates a 1.25A N-channel buck switch and operates within an input voltage range of 8V to 40V, delivering an adjustable output from 2.5V to 37V. The device features a fixed switching frequency of 1.3MHz and includes intelligent current limit protection. It is housed in a 10-pin WSON package with an exposed pad and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates an N-channel buck switch for efficient power conversion
• Includes intelligent current limit protection for enhanced reliability
• Features a compact ultra-small footprint suitable for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Bias supply generation for embedded systems
• General-purpose DC-DC conversion in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free and RoHS compliance status as per the manufacturer's latest documentation. Confirm the package marking and pinout alignment with your PCB footprint design. Ensure the thermal pad connection matches your board layout requirements for proper heat dissipation during operation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for step-down applications up to 1.25A. It is suitable for systems requiring an input voltage between 8V and 40V. Consider the 1.3MHz switching frequency for smaller passive component sizes compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34914 family of ultra-small step-down regulators. It is designed to replace larger discrete solutions or older regulator ICs in modern portable and industrial devices where board space is limited. The integrated switch reduces external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the LM34914 series or other TI ultra-small regulators with similar current ratings and input voltage ranges. Verify pin-to-pin compatibility if replacing existing designs without altering the PCB layout.