STMicroelectronics

LD2985AM285R

LD2985AM285R Description

The LD2985AM285R is a linear voltage regulator designed for applications requiring a stable and efficient power supply. Manufactured by STMicroelectronics, this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-5 package. It features a fixed output voltage of 2.85V and can deliver a maximum output current of 150mA. The regulator is designed to operate with an input voltage range up to 16V, ensuring compatibility with a wide range of power sources.

LD2985AM285R Features

• Output Type: Fixed, providing a stable 2.85V output voltage.
• Input Voltage Range: Up to 16V, allowing for versatile power source compatibility.
• Output Current: Capable of delivering up to 150mA, suitable for a variety of low-power applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.575V at 150mA, ensuring high efficiency even at low input-to-output voltage differentials.
• Quiescent Current: Low quiescent current of 150 µA, minimizing power consumption in standby mode.
• Power Supply Current: Maximum supply current of 4 mA, contributing to overall power efficiency.
• Control Features: Includes an enable function for precise control over the regulator's operation.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and prevent damage under adverse conditions.
• PSRR: High Power Supply Rejection Ratio of 45dB at 1kHz, providing excellent noise filtering and stable output voltage.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental and regulatory standards.

LD2985AM285R Applications

The LD2985AM285R is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and low-power IoT devices. The enable function allows for dynamic power management, making it suitable for applications that require power-saving modes. The compact SOT23-5 package and surface mount type make it a perfect fit for space-constrained designs, such as wearable devices, medical equipment, and consumer electronics.

Conclusion of LD2985AM285R

The LD2985AM285R from STMicroelectronics is a robust and efficient linear voltage regulator designed to meet the demands of modern low-power applications. Its fixed 2.85V output, low dropout voltage, and high PSRR ensure stable and efficient power delivery. The inclusion of over-current and over-temperature protection features enhances reliability, while the enable function provides precise control over the regulator's operation. The compact SOT23-5 package and surface mount type make it an excellent choice for space-constrained designs. Although the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for specific applications.