STMicroelectronics

LD2985BM31R

LD2985BM31R Description

The LD2985BM31R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This regulator is part of the Power Management (PMIC) category and is ideal for applications requiring a stable and reliable power supply. The LD2985BM31R features a fixed output voltage of 3.1V and can deliver a maximum output current of 150mA. It operates with a maximum input voltage of 16V and offers a low dropout voltage of 0.575V at 150mA, ensuring efficient power conversion even under varying load conditions.

LD2985BM31R Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Current: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Supply Current: Maximum of 4mA
• Output Voltage: Fixed at 3.1V
• Dropout Voltage: 0.575V at 150mA
• Quiescent Current: 150µA
• Power Supply Rejection Ratio (PSRR): 45dB at 1kHz
• Control Features: Enable
• Protection Features: Over Current and Over Temperature
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Compliance: REACH Unaffected, ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The LD2985BM31R stands out due to its low dropout voltage, which minimizes power loss and improves efficiency. The enable control feature allows for dynamic power management, making it suitable for applications where power consumption needs to be optimized. Additionally, the over current and over temperature protection features ensure robustness and reliability in various operating conditions.

LD2985BM31R Applications

The LD2985BM31R is well-suited for a variety of applications that demand stable voltage regulation and low power consumption. Its fixed 3.1V output and 150mA current capability make it ideal for:

• Consumer Electronics: Portable devices, wearables, and IoT devices
• Telecommunications: Base stations, repeaters, and small cell equipment
• Industrial Equipment: Sensors, actuators, and embedded systems
• Automotive: In-vehicle infotainment systems, telematics, and electronic control units

The low dropout voltage and high PSRR ensure that the regulator can maintain stable output even with fluctuating input voltages, making it a reliable choice for sensitive electronic circuits.

Conclusion of LD2985BM31R

The LD2985BM31R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers significant advantages over similar models. Its low dropout voltage, enable control, and comprehensive protection features make it a robust solution for a wide range of applications. Whether used in consumer electronics, telecommunications, industrial equipment, or automotive systems, the LD2985BM31R ensures reliable and efficient power management. Its compliance with industry standards such as REACH and ROHS3 further enhances its appeal for modern, environmentally conscious designs.