Texas Instruments

LP3892ESX-1.5

LP3892ESX-1.5 Description

The LP3892ESX-1.5 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 1.5V and a maximum output current of 1.5A. This device is ideal for applications requiring stable and reliable power management. The LP3892ESX-1.5 features a maximum input voltage of 5.5V and a dropout voltage of 0.5V at full load, ensuring efficient operation even at low input-to-output differentials. It is housed in a surface-mount DDPAK package, making it suitable for compact and high-density designs. The regulator includes an enable control feature, allowing for power-saving modes and dynamic control of the output voltage. Additionally, it offers comprehensive protection features, including over-current, over-temperature, and under-voltage lockout (UVLO), ensuring robustness and reliability in various operating conditions.

LP3892ESX-1.5 Features

• Output Type: Fixed, providing a stable 1.5V output voltage.
• Input Voltage Range: Up to 5.5V, suitable for a wide range of input sources.
• Output Current: Capable of delivering up to 1.5A, making it suitable for high-current applications.
• Dropout Voltage: Low dropout voltage of 0.5V at 1.5A, ensuring high efficiency even at low input-to-output differentials.
• Control Features: Enable control allows for dynamic control and power-saving modes.
• Protection Features: Over-current, over-temperature, and under-voltage lockout (UVLO) protect the device and downstream components from damage.
• Power Supply Current: Maximum of 8 mA, ensuring low power consumption in standby modes.
• Quiescent Current: Low quiescent current of 30 µA, contributing to high efficiency and long battery life in portable applications.
• PSRR: High power supply rejection ratio ranging from 80dB to 65dB (120Hz to 1kHz), ensuring clean output voltage.
• Package: Surface-mount DDPAK (TR) package, ideal for compact and high-density designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.
• Product Status: Obsolete, but still available for existing designs and legacy systems.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

LP3892ESX-1.5 Applications

The LP3892ESX-1.5 is well-suited for a variety of applications where a stable and efficient power supply is critical. Its high output current and low dropout voltage make it ideal for portable devices, such as smartphones, tablets, and wearable technology, where battery life and space are at a premium. The enable control feature allows for dynamic power management, making it suitable for systems that require power-saving modes or variable output control. Additionally, the comprehensive protection features ensure reliability in harsh operating conditions, making it a robust choice for industrial and automotive applications. The surface-mount package also supports high-density designs, making it suitable for modern, compact electronic systems.

Conclusion of LP3892ESX-1.5

The LP3892ESX-1.5 from Texas Instruments is a versatile and reliable linear regulator, offering a fixed 1.5V output with a maximum current of 1.5A. Its low dropout voltage and comprehensive protection features make it a robust choice for a wide range of applications, from portable devices to industrial systems. The enable control feature and low quiescent current further enhance its efficiency and flexibility. Despite its obsolete status, the LP3892ESX-1.5 remains a valuable component for existing designs and legacy systems, ensuring continued support and reliability.