The LM2936QMPX-5.0/NOPB is a low dropout (LDO) voltage regulator from Texas Instruments designed for automotive applications, delivering a stable 5.0V output with an input voltage range of 5.4V to 40V. Housed in the thermally enhanced TO-263 package, this device is specifically tailored for environments requiring high reliability and robust performance under harsh conditions. The "Q" designation signifies that it meets stringent automotive quality standards.

Key Features

This LDO regulator features an exceptionally low quiescent current of typically 15 µA, making it ideal for battery-operated systems where power conservation is critical. It offers a maximum dropout voltage of only 0.5V at full load, ensuring efficient operation even when the input voltage approaches the regulated output. The LM2936QMPX-5.0/NOPB provides excellent line and load regulation, maintaining stability across varying loads and input voltages. It also includes built-in protection against short circuits and thermal shutdown, enhancing its durability in demanding automotive settings.

Applications

Designed primarily for automotive electronics, the LM2936QMPX-5.0/NOPB excels in applications such as infotainment systems, body control modules, and advanced driver assistance systems (ADAS). Its ability to operate reliably over a wide temperature range (-40°C to +125°C) makes it suitable for under-the-hood applications. Additionally, its low noise output is beneficial for sensitive electronic circuits like those found in communication modules and sensor interfaces.

Summary

The LM2936QMPX-5.0/NOPB stands out for its combination of low quiescent current, wide input voltage range, and robust protection features, making it indispensable for automotive applications requiring reliable and efficient voltage regulation. Its compact packaging and superior performance ensure long-term stability and reduced heat dissipation, facilitating seamless integration into modern automotive electronic systems. With its high reliability and adherence to automotive standards, this LDO regulator is a key component for designers seeking dependable power management solutions.