The L4938EDTR-E from STMicroelectronics is a sophisticated dual voltage regulator designed to deliver high performance and reliability for automotive and industrial applications. This component is part of STMicroelectronics' esteemed line of power management integrated circuits, which are renowned for their efficiency and durability.

Key Features

• Voltage Output: The device provides two voltage outputs, one fixed 5V output with a 0.5A current capability, and an adjustable output that can be set from 5V to 20V with an external resistor divider, capable of delivering up to 100mA.
• Low Dropout Voltage: It features a low dropout voltage, enabling it to maintain a stable output even when the input voltage is close to the output voltage, which is crucial for battery-powered applications.
• Thermal Protection: The L4938EDTR-E includes thermal shutdown and current limiting features, ensuring the device operates within safe temperature and current levels, thereby enhancing its longevity and reliability.
• Wide Operating Temperature Range: With an operating temperature range from -40°C to 125°C, it is suitable for harsh environments, making it ideal for automotive applications where temperature variations are common.
• Low Quiescent Current: The regulator is designed to have low quiescent current, which reduces power consumption when the device is in standby mode, thereby extending battery life in portable applications.
• Package: The L4938EDTR-E is available in a PowerSSO-12 package, which is designed to optimize board space and improve thermal performance.

Applications

The dual voltage regulator is well-suited for a variety of applications, including but not limited to:

• Automotive control units
• Power supplies for microcontrollers
• Industrial control systems
• Battery management systems
• Portable electronic devices

With its robust design and versatile features, the L4938EDTR-E from STMicroelectronics is an excellent choice for designers looking for a reliable power management solution that can withstand the demands of both automotive and industrial environments.