Texas Instruments

LP2985AIM5X-2.7

LP2985AIM5X-2.7 Description

The LP2985AIM5X-2.7 is a fixed output linear voltage regulator designed by Texas Instruments, offering a regulated output voltage of 2.7V with a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained applications. It features a low dropout voltage of 0.58V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator also includes an enable control feature, allowing for power management and shutdown capabilities.

LP2985AIM5X-2.7 Features

• Output Type: Fixed at 2.7V, ensuring stable and reliable power supply to connected devices.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 150mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the LP2985AIM5X-2.7 maintains high efficiency even when the input voltage is close to the output voltage.
• Enable Control: Features an enable pin, allowing for dynamic power control and reduced power consumption during shutdown.
• Protection Features: Incorporates over-current, over-temperature, and short-circuit protection, safeguarding the regulator and connected circuits from damage.
• Low Quiescent Current: Consumes only 95 µA of quiescent current, minimizing power loss and enhancing overall system efficiency.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, ensuring clean and stable output voltage even in the presence of input voltage noise.
• Mounting Type: Surface mount technology (SMT) with a moisture sensitivity level (MSL) of 1, making it suitable for automated assembly processes and reliable in various environmental conditions.

LP2985AIM5X-2.7 Applications

The LP2985AIM5X-2.7 is ideal for a variety of applications requiring a stable and efficient power supply. Its compact size and low dropout voltage make it particularly suitable for:

• Portable Devices: Such as handheld electronics, where space and power efficiency are critical.
• Battery-Powered Systems: Ensuring efficient operation across the battery's discharge curve.
• Low-Power Instruments: Including medical devices, sensors, and IoT devices that require reliable power management.
• Communication Equipment: Providing stable power to low-power communication modules and microcontrollers.

Conclusion of LP2985AIM5X-2.7

The LP2985AIM5X-2.7 from Texas Instruments is a robust and efficient linear voltage regulator designed to meet the demands of modern low-power applications. Its fixed 2.7V output, low dropout voltage, and enable control feature make it a versatile solution for various electronic systems. The inclusion of comprehensive protection features and low quiescent current further enhance its reliability and efficiency. 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.