The L4931CD35-TR from STMicroelectronics is a low-dropout voltage regulator designed for applications requiring a regulated 3.5V output with low power consumption. This high-performance component is ideal for battery-powered devices, offering an extremely low dropout voltage and low quiescent current.

Key Features

• Output Voltage: Precisely regulated 3.5V output, suitable for a variety of low-voltage applications.
• Low Dropout Voltage: The device features a very low dropout voltage, which enhances efficiency and allows operation close to the input voltage.
• Low Quiescent Current: The L4931CD35-TR is optimized for low power consumption, with a quiescent current of just 0.6mA, making it perfect for battery-operated devices.
• Output Current: Capable of supplying up to 250mA of output current, it can power a wide range of peripherals and microcontrollers.
• Package: Available in a compact SO-8 package, the L4931CD35-TR is designed for space-constrained applications.
• Temperature Range: Operates over an industrial temperature range from -40°C to +125°C, ensuring reliability in harsh conditions.
• Protection Features: Includes thermal shutdown and short-circuit protection, safeguarding the device and the load from damage due to overheating or overcurrent conditions.

Applications

The versatility of the L4931CD35-TR makes it an excellent choice for a wide array of applications. It is particularly well-suited for portable and battery-powered devices, such as personal digital assistants (PDAs), portable media players, and handheld instrumentation. Additionally, its low power consumption and stable output make it an ideal choice for powering sensitive analog and digital circuits that require a consistent 3.5V supply.

Conclusion

With its combination of low dropout voltage, low quiescent current, and robust protection features, the L4931CD35-TR from STMicroelectronics is a reliable and efficient solution for any design requiring a stable 3.5V power supply. Its compact form factor and wide operating temperature range make it adaptable to a broad spectrum of applications, ensuring performance and longevity in a variety of environments.