ST1S31D-R - STMicroelectronics

The ST1S31D-R is a high-efficiency, step-down monolithic switching regulator produced by STMicroelectronics, designed to deliver a fixed output voltage with a remarkable conversion efficiency. This advanced power solution is particularly suitable for portable devices, where extended battery life is crucial, as well as for other space-constrained applications requiring a robust power management system.

Key Features

• Wide Input Voltage Range: The device can operate with an input voltage range from 4.0 V to 18 V, making it versatile for various applications.
• Fixed Output Voltage: It provides a stable output voltage, ensuring reliable operation for sensitive electronic components.
• High Efficiency: Thanks to its advanced design, the ST1S31D-R achieves high efficiency, reducing power losses and heat generation.
• Adjustable Switching Frequency: The switching frequency is adjustable up to 1.5 MHz, allowing designers to optimize the regulator for size or efficiency.
• Thermal Protection: Built-in thermal shutdown protects the device from overheating, enhancing its reliability and longevity.
• Current Limiting: The device includes a current limiting feature to prevent damage from overcurrent conditions.
• Low Shutdown Current: The low shutdown current feature minimizes power consumption when the device is not active, contributing to battery life extension.

Applications

The ST1S31D-R is ideal for a wide range of applications, including but not limited to:

• Portable and battery-powered devices
• Networking and telecommunication systems
• Consumer electronics
• Industrial and medical equipment

With its robust feature set and high-performance characteristics, the ST1S31D-R from STMicroelectronics represents a reliable and efficient solution for power management challenges in modern electronic systems. Its compact size and high integration level make it an excellent choice for designers looking to optimize their products for power efficiency and space savings.