STMicroelectronics

LDS3985M30R

LDS3985M30R Description

The LDS3985M30R is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and offers a fixed output voltage of 3V with a maximum output current of 300mA. The regulator is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. With a maximum input voltage of 6V and a low dropout voltage of 0.25V @ 300mA, the LDS3985M30R ensures stable and efficient power regulation.

LDS3985M30R Features

• Fixed Output Voltage: The LDS3985M30R provides a fixed output voltage of 3V, simplifying the design process and ensuring consistent performance.
• Low Dropout Voltage: With a maximum dropout voltage of 0.25V @ 300mA, the regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The device consumes only 150 µA in quiescent mode, making it suitable for battery-powered applications where power consumption is critical.
• Robust Protection Features: The LDS3985M30R includes over-current and over-temperature protection to safeguard the device and the system from potential damage.
• Excellent PSRR: The regulator offers a power supply rejection ratio (PSRR) of 55dB at 1kHz to 50dB at 10kHz, ensuring minimal noise coupling from the input to the output.
• Compliance with Industry Standards: The LDS3985M30R is compliant with RoHS3 and REACH regulations, making it suitable for use in a wide range of electronic products.

LDS3985M30R Applications

The LDS3985M30R is an ideal choice for various applications where stable and efficient voltage regulation is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current and small form factor, the LDS3985M30R is perfect for powering portable devices such as smartphones, tablets, and wearables.
• IoT Devices: The regulator's efficiency and compact size make it suitable for IoT devices, where power consumption and space are critical factors.
• Automotive Applications: The LDS3985M30R can be used in automotive electronics, providing stable power to various components within the vehicle.
• Industrial Control Systems: The device's robust protection features and low dropout voltage make it ideal for use in industrial control systems, ensuring reliable operation under varying load conditions.

Conclusion of LDS3985M30R

The LDS3985M30R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a fixed output voltage of 3V with a maximum output current of 300mA. Its low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for a wide range of applications, including portable electronics, IoT devices, automotive applications, and industrial control systems. With its compliance with RoHS3 and REACH regulations, the LDS3985M30R is a reliable and environmentally friendly solution for your voltage regulation needs.