Texas Instruments

LP2985AIM5-3.5/NOPB

LP2985AIM5-3.5/NOPB Description

The LP2985AIM5-3.5/NOPB is a fixed linear voltage regulator designed by Texas Instruments, offering a regulated output voltage of 3.5V with a maximum output current of 150mA. This device is housed in a compact SOT23-5 package, making it suitable for surface mount applications. It features a maximum input voltage of 16V and a dropout voltage of 0.58V at 150mA, ensuring efficient operation even under varying load conditions. The regulator includes an enable control feature, allowing for dynamic power management and reduced power consumption during shutdown. Additionally, it provides over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating environments. With a quiescent current of 95 µA and a power supply current of 2.5 mA, the LP2985AIM5-3.5/NOPB is optimized for low-power applications. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Although the product is now obsolete, it remains a viable option for legacy systems and specific applications where its unique features are advantageous.

LP2985AIM5-3.5/NOPB Features

• Fixed Output Voltage: 3.5V, providing a stable power supply for sensitive electronic components.
• High Input Voltage Range: Up to 16V, ensuring compatibility with a wide range of input power sources.
• Low Dropout Voltage: 0.58V at 150mA, allowing for efficient regulation even at low input-to-output voltage differences.
• Enable Control: Facilitates dynamic power management, enabling the regulator to be turned on and off as needed.
• Protection Features: Over-current, over-temperature, and short-circuit protection enhance reliability and prevent damage under adverse conditions.
• Low Quiescent Current: 95 µA, minimizing power consumption in standby mode.
• Compact Package: SOT23-5, ideal for space-constrained designs and surface mount applications.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental regulations.
• Power Supply Current: 2.5 mA, optimizing power efficiency.
• Power Supply Rejection Ratio (PSRR): 45dB at 1kHz, ensuring minimal noise and ripple in the output voltage.

LP2985AIM5-3.5/NOPB Applications

The LP2985AIM5-3.5/NOPB is well-suited for a variety of applications requiring a stable and efficient power supply. Its fixed 3.5V output and low dropout voltage make it ideal for powering microcontrollers, sensors, and other low-power electronic devices. The enable control feature allows for dynamic power management, making it suitable for battery-powered systems and portable devices where power conservation is critical. The compact SOT23-5 package and surface mount compatibility ensure it can be easily integrated into space-constrained designs, such as wearable technology and IoT devices. Additionally, its robust protection features make it reliable for industrial and automotive applications where harsh operating conditions are common.

Conclusion of LP2985AIM5-3.5/NOPB

The LP2985AIM5-3.5/NOPB is a versatile and reliable linear voltage regulator designed for low-power applications. Its fixed 3.5V output, low dropout voltage, and enable control feature make it an excellent choice for a wide range of electronic systems. The inclusion of over-current, over-temperature, and short-circuit protection ensures robustness and reliability, while its compact SOT23-5 package and surface mount compatibility make it suitable for space-constrained designs. Although now obsolete, the LP2985AIM5-3.5/NOPB remains a valuable component for legacy systems and specific applications where its unique features provide significant advantages.