LM34919BQTLX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34919BQTLX/NOPB is an ultra-small, wide input voltage, 600mA buck converter from Texas Instruments. It operates with an input voltage range of 4.5V to 50V and provides an adjustable output voltage from 2.5V to 45V. The device features a fixed switching frequency of 2.6MHz and draws a typical operating supply current of 2.2mA. It is qualified under AEC-Q100 standards for automotive applications and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated constant on-time control architecture for simplified design
• Wide input voltage capability supporting broad power source variations
• Automotive qualification ensuring reliability in harsh environments

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body electronics modules
• Industrial point-of-load regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'B' against official datasheets to confirm exact electrical tolerances or package variants. Ensure the component meets AEC-Q100 requirements if used in automotive contexts. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit parts. Confirm RoHS compliance status through the latest product information sheet before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact footprint is required alongside wide input voltage tolerance. The 2.6MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 600mA output limit to ensure it matches the load requirements without exceeding thermal limits. Verify that the DSBGA-12 package fits the available PCB space constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34919C family of step-down converters designed for high-density applications. It shares architectural similarities with other members like the LM34919TL but differs in specific package configurations and automotive grading levels. The series focuses on providing efficient power conversion in minimal board areas.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM34919CQTLX/NOPB and LM34919TL/NOPB. Verify pin compatibility and electrical parameter alignment before substitution.