STMicroelectronics

LD2985AM15R

LD2985AM15R Description

The LD2985AM15R is a fixed-output linear voltage regulator designed by STMicroelectronics, offering a stable 1.5V output voltage with a maximum current output of 150mA. This regulator is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. It features a low dropout voltage of 0.575V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator operates with a maximum input voltage of 16V and has a quiescent current of 150µA, contributing to its energy-efficient performance.

LD2985AM15R Features

• Output Type: Fixed at 1.5V, providing a stable voltage supply.
• Input Voltage Range: Up to 16V, offering flexibility in power source selection.
• Output Current: 150mA, suitable for low to medium current applications.
• Low Dropout Voltage: 0.575V at 150mA, enhancing efficiency in low voltage applications.
• Quiescent Current: 150µA, ensuring minimal power consumption during operation.
• Control Features: Includes an enable function for power management.
• Protection Features: Over-current and over-temperature protection, ensuring reliable operation.
• Package Type: SOT23-5, a compact surface-mount package suitable for dense PCB layouts.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for standard manufacturing processes.

LD2985AM15R Applications

The LD2985AM15R is well-suited for a variety of applications where a stable 1.5V supply is required. Its low dropout voltage and compact size make it ideal for battery-powered devices, portable electronics, and embedded systems. The regulator's over-current and over-temperature protection features ensure robust performance in demanding environments. Specific use cases include:

• Battery-Powered Devices: Ideal for applications where the input voltage may drop close to the output voltage, such as in handheld devices and wearables.
• Portable Electronics: Suitable for powering microcontrollers, sensors, and other low-power components in compact designs.
• Embedded Systems: Provides a reliable power supply for critical components in embedded applications, ensuring stable operation under varying conditions.

Conclusion of LD2985AM15R

The LD2985AM15R from STMicroelectronics is a highly efficient and reliable fixed-output linear voltage regulator. Its low dropout voltage, compact SOT23-5 package, and comprehensive protection features make it a standout choice for a wide range of low-power applications. Despite being marked as obsolete, the LD2985AM15R remains a viable option for existing designs and legacy systems, offering a stable and efficient power solution. Its compliance with environmental standards and robust performance characteristics ensure it continues to meet the demands of modern electronics.