The L4937N from STMicroelectronics is a highly integrated, robust automotive dual multifunction voltage regulator designed to provide a wide range of output voltages suitable for automotive applications. This advanced regulator is specifically tailored to meet the stringent requirements of automotive power supply systems, providing reliable performance in a compact package.

Key Features

• Output Voltage Accuracy: The L4937N offers precise output voltage regulation, ensuring stable operation for connected devices even under varying conditions.
• Dual Channel: It features two independent voltage regulators, with the primary channel capable of delivering up to 500mA and the secondary channel up to 100mA. This dual-channel configuration allows for simultaneous powering of multiple devices.
• Low Dropout Voltage: Designed with low dropout performance, the L4937N maintains regulation even when the input-to-output differential is minimal, improving efficiency.
• Protection Features: The device includes multiple protection features such as overcurrent protection, thermal shutdown, and overvoltage protection, safeguarding the electronic components from potential damage.
• Wide Operating Temperature Range: With an operating temperature range from -40°C to 125°C, the L4937N is suitable for harsh automotive environments.
• Adjustable Output: While providing fixed output options, it also allows for adjustable output voltages, giving designers flexibility in their power supply design.

Applications

The L4937N is ideal for various automotive applications, including but not limited to:

• Power supply for microcontrollers
• Automotive body control modules
• Instrument cluster power supply
• Infotainment systems
• Power supply for sensors and peripheral devices

Package and Availability

The L4937N is offered in a robust and compact package, ensuring ease of integration into automotive systems. It is available for order through STMicroelectronics and its authorized distributors, with options for bulk and custom orders to meet the specific needs of automotive manufacturers.

For detailed specifications, application notes, and additional resources, interested parties are encouraged to visit the STMicroelectronics website or contact their sales representatives.