Texas Instruments

LP2992AIM5X-3.3  

Linear & Switching Voltage Regulators

LP2992AIM5X-3.3 Description

The LP2992AIM5X-3.3 is a fixed-output, low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output at up to 250mA of load current. With a wide input voltage range of up to 16V, this regulator is optimized for applications requiring efficient power management in space-constrained environments. Its compact SOT23-5 package and surface-mount design make it ideal for portable and embedded systems. Although marked as obsolete, the LP2992AIM5X-3.3 remains a reliable choice for legacy designs, offering robust protection features and low quiescent current.

LP2992AIM5X-3.3 Features

• Fixed 3.3V Output: Ensures stable voltage regulation for sensitive electronics.
• Low Dropout Voltage: 0.85V @ 250mA minimizes power loss, enhancing efficiency.
• Ultra-Low Quiescent Current: 95 µA (typical) extends battery life in portable devices.
• High PSRR: 45dB @ 1kHz reduces noise, making it suitable for noise-sensitive applications.
• Integrated Protection: Includes over-current, over-temperature, and short-circuit safeguards.
• Enable Control: Allows for power management via an external enable pin.
• Compact SOT23-5 Package: Ideal for space-constrained PCB layouts.
• Wide Input Range (Up to 16V): Supports diverse power sources, including automotive and industrial supplies.

LP2992AIM5X-3.3 Applications

• Portable Electronics: Ideal for battery-powered devices like IoT sensors and wearables due to low Iq.
• Embedded Systems: Provides stable power for microcontrollers, FPGAs, and memory modules.
• Automotive Electronics: Suitable for infotainment systems and dashboard components with its wide input range.
• Industrial Control Systems: Reliable performance in harsh environments with built-in protection.
• Consumer Electronics: Used in set-top boxes, routers, and other low-power applications.

Conclusion of LP2992AIM5X-3.3

The LP2992AIM5X-3.3 is a high-performance LDO regulator offering a balance of efficiency, reliability, and compact design. While obsolete, its low dropout, high PSRR, and robust protection make it a strong candidate for legacy or cost-sensitive designs. Its versatility across portable, automotive, and industrial applications ensures continued relevance in power management solutions. Engineers seeking a proven 3.3V regulator with minimal footprint and dependable performance may still find value in this TI offering.

LP2992AIM5X-3.3 Documents

Download datasheets and manufacturer documentation for LP2992AIM5X-3.3

Datasheets :

LP2992      

HTML Datasheet :

LP2992