LM34919BTL/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34919BTL/NOPB is a Texas Instruments step-down switching regulator featuring a 2x1.75mm package. It operates with an input voltage range of 6V to 40V and delivers up to 600mA output current. The device supports adjustable output voltages from 2.5V to 35V (or 45V in some variants) and utilizes a constant on-time control architecture. It functions at a maximum switching frequency of 2.6MHz, requires no loop compensation, and is qualified to AEC-Q100 Grade 1 standards for automotive applications across a -40°C to +125°C junction temperature range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-small footprint design suitable for space-constrained layouts
• Constant on-time control architecture eliminating loop compensation requirements
• Automotive qualification ensuring reliability in harsh environments

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's latest datasheet to confirm exact electrical characteristics, as variations exist within the family. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory for the target application.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for wide input voltage ranges in automotive or industrial settings. The absence of external compensation components simplifies the bill of materials and layout complexity. Consider the 600mA limit and thermal performance under load when determining suitability for the specific power requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM34919 family of ultra-small buck converters. It shares architectural similarities with the LM34919C and LM34919TL but differs in specific input voltage limits and package configurations. The family is designed to replace linear regulators in high-efficiency applications requiring minimal board space.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the LM34919 series such as the LM34919C or LM34919TL, provided pin compatibility and electrical specifications align. Verify that alternative packages maintain the same thermal and spatial constraints.