LM34919BQTL/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34919BQTL/NOPB is an ultra-small, non-synchronous buck switching regulator from Texas Instruments. It operates with a wide input voltage range of 6V to 40V and delivers a maximum output current of 600mA. The device features a fixed 2.6MHz switching frequency and supports adjustable output voltages from 2.5V to 35V. Designed for automotive applications, it holds AEC-Q100 qualification and functions within a temperature range of -40°C to +125°C. The component utilizes a 10-WFBGA (DSBGA) package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Eliminates the need for external loop compensation due to constant on-time control architecture
• Provides ultra-fast transient response capabilities for dynamic load conditions
• Features integrated synchronous rectification logic optimized for high efficiency in small form factors

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring compact power solutions
• Electronic control units (ECUs) with strict space constraints
• Industrial equipment needing reliable step-down conversion under wide input variations

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free compliance and RoHS adherence as per manufacturer standards. Confirm the 'Q' designation indicates automotive grade qualification. Ensure the DSBGA-10 package matches your PCB footprint requirements. Cross-reference the datasheet revision date to ensure compatibility with latest thermal guidelines.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when board space is limited and a non-synchronous topology is acceptable. It is suitable for designs requiring fast transient response without complex compensation networks. Consider the 600mA limit against peak load demands. Verify input voltage stability stays within the 6V to 40V operational window for optimal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34919 family of ultra-small buck converters. It shares architectural similarities with the LM34919C but differs in input voltage specifications and package options. The family targets automotive and industrial markets where size and transient performance are critical. It serves as a drop-in replacement for older generation regulators in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM34919CQTL/NOPB is a related variant with different input voltage ranges. Verify pinout compatibility before substitution. Check if the synchronous vs. non-synchronous topology aligns with efficiency requirements. Ensure the new part meets the same AEC-Q100 automotive qualification standards.