Texas Instruments

LP3892ES-1.2

LP3892ES-1.2 Description

The LP3892ES-1.2 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.2V and capable of delivering up to 1.5A of output current. This regulator is designed for surface mount applications and comes in a DDPAK package, making it suitable for compact and high-performance electronic systems. Despite being marked as obsolete, the LP3892ES-1.2 remains a reliable choice for applications requiring a stable and efficient power supply.

LP3892ES-1.2 Features

• Fixed Output Voltage: The LP3892ES-1.2 provides a stable 1.2V output, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: With a maximum output current of 1.5A, this regulator can support a wide range of applications requiring substantial power.
• Low Dropout Voltage: The maximum dropout voltage of 0.50V at 1.5A ensures high efficiency, even when the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of only 30 µA minimizes power consumption during standby or low-load conditions.
• High PSRR: The power supply rejection ratio (PSRR) ranges from 80dB at 120Hz to 65dB at 1kHz, effectively filtering out noise from the input power supply.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, enabling or disabling the output as needed.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability in various operating conditions.
• Moisture Sensitivity Level: MSL 3 (168 hours) indicates that the component is suitable for standard manufacturing processes without requiring special handling for moisture sensitivity.

LP3892ES-1.2 Applications

The LP3892ES-1.2 is ideal for a variety of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-voltage components in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Suitable for industrial control systems, automation equipment, and other applications requiring reliable power regulation.
• Medical Devices: Provides stable power for critical medical equipment, ensuring consistent performance and reliability.
• Telecommunications: Used in base stations, routers, and other telecom equipment where low noise and high efficiency are essential.

Conclusion of LP3892ES-1.2

The LP3892ES-1.2 from Texas Instruments is a high-performance linear voltage regulator that offers a stable 1.2V output with a maximum current of 1.5A. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient and reliable choice for a variety of applications. The enable control feature and comprehensive protection mechanisms further enhance its versatility and robustness. Despite being marked as obsolete, the LP3892ES-1.2 remains a valuable component for designers seeking a dependable power solution in compact and high-performance electronic systems.