The LD39115J28R from STMicroelectronics is a high-performance, low-dropout voltage regulator designed for precision and reliability in a wide range of applications. This regulator offers a fixed output voltage of 2.8V, making it well-suited for powering sensitive electronic circuits that require a stable power supply.

Key Features

• Low Dropout Voltage: The LD39115J28R operates with a very low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage. This feature is particularly useful in battery-powered devices, where maximizing battery life is crucial.
• High Output Current: Capable of delivering up to 150 mA of continuous output current, this regulator can power a variety of low-power devices and circuits without the need for an external pass transistor.
• Stability: Designed with stability in mind, the LD39115J28R requires only a small ceramic capacitor for stable operation, reducing the overall component count and board space.
• Low Quiescent Current: The device features a low quiescent current, which is ideal for portable and battery-operated applications where power consumption needs to be minimized during idle or standby modes.
• Thermal Protection: The built-in thermal shutdown protection safeguards the device against overheating, ensuring reliable operation under varying conditions.

Applications

The LD39115J28R is versatile and can be used in a multitude of applications, including:

• Mobile phones and portable devices
• Wireless communication systems
• Power management in microcontroller-based systems
• Portable media players
• GPS devices

Package and Availability

Available in a compact SOT-323-5L package, the LD39115J28R is designed for space-constrained applications. The small footprint and low profile of the package make it an excellent choice for portable electronics where space is at a premium.

STMicroelectronics provides comprehensive technical support and documentation for the LD39115J28R, ensuring designers can integrate this regulator into their designs with confidence and ease. For detailed specifications, application notes, and evaluation resources, please visit the STMicroelectronics website or contact their support team.