STMicroelectronics

LD2985AM15R  

Linear & Switching Voltage Regulators

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.

LD2985AM15R Documents

Download datasheets and manufacturer documentation for LD2985AM15R