Texas Instruments

LP2985AIM5-1.5

LP2985AIM5-1.5 Description

The LP2985AIM5-1.5 is a fixed output linear regulator designed by Texas Instruments, offering a stable 1.5V output voltage with a maximum output current of 150mA. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it suitable for surface mount applications. Despite its small form factor, the LP2985AIM5-1.5 provides robust performance with a maximum input voltage of 16V and a dropout voltage of only 0.58V at 150mA. It features an enable control function, allowing for dynamic control of the regulator's operation. The device also includes comprehensive protection features such as over-current, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions. With a quiescent current of just 95 µA and a power supply current of 2.5 mA, the LP2985AIM5-1.5 is optimized for low power consumption. Its Power Supply Rejection Ratio (PSRR) of 45dB at 1kHz ensures high performance in noisy environments. The LP2985AIM5-1.5 is REACH unaffected and has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing processes.

LP2985AIM5-1.5 Features

• Output Type: Fixed 1.5V output voltage
• Input Voltage Range: Up to 16V
  -Output ** Current**: 150mA
• Dropout Voltage: 0.58V @ 150mA
• Quiescent Current: 95 µA
• Supply Current: 2.5 mA
• PSRR: 45dB at 1kHz
• Enable Control: Dynamic control of regulator operation
• Protection Features: Over-current, over-temperature, and short-circuit protection
• Package Type: SOT23-5, surface mount
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• Compliance: REACH unaffected

LP2985AIM5-1.5 Applications

The LP2985AIM5-1.5 is ideal for a variety of applications where a stable and low dropout voltage regulator is required. Its compact size and low power consumption make it suitable for portable devices and battery-powered applications. The enable control feature allows for efficient power management in systems that require dynamic power control. The device's robust protection features ensure reliable operation in harsh environments, making it suitable for industrial and automotive applications. Specific use cases include:

• Portable Devices: Smartphones, tablets, and wearable technology
• Battery-Powered Systems: Portable medical devices and handheld electronics
• Industrial Applications: Sensor modules and IoT devices
• Automotive Electronics: In-car infotainment systems and electronic control units

Conclusion of LP2985AIM5-1.5

The LP2985AIM5-1.5 from Texas Instruments is a high-performance linear regulator designed for applications requiring a stable 1.5V output with low dropout voltage and low power consumption. Its compact SOT23-5 package and comprehensive protection features make it a reliable choice for a wide range of applications. The enable control function offers additional flexibility, allowing for dynamic power management. While the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing designs and legacy systems.