Texas Instruments

LP38858T-1.2  

Linear & Switching Voltage Regulators

LP38858T1-.2 Description

The LP38858T-1.2 is a fixed-output linear voltage regulator designed to deliver a stable 1.2V output at a maximum current of 1.5A. Manufactured by Texas Instruments, this regulator is housed in a through-hole TO220-5 package, making it suitable for a variety of industrial and consumer applications. The LP38858T-1.2 is designed to operate efficiently within a maximum input voltage range of 5.5V, ensuring reliable performance across a broad spectrum of power supply conditions.

LP38858T-1.2 Features

• Output Type: Fixed, providing a stable 1.2V output.
• Input Voltage Range: Up to 5.5V, ensuring compatibility with a wide range of power sources.
• Output Current: Capable of delivering up to 1.5A, making it suitable for applications requiring moderate to high current loads.
• Low Dropout Voltage: A maximum dropout voltage of 0.18V at 1.5A ensures high efficiency even under low input voltage conditions.
• Low Quiescent Current: With a quiescent current of 8.5 mA, the LP38858T-1.2 minimizes power consumption during standby or low-load conditions.
• High PSRR: A Power Supply Rejection Ratio (PSRR) ranging from 80dB to 65dB (120Hz to 1kHz) ensures excellent noise rejection and stable output voltage.
• Protection Features: Integrated over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protections enhance reliability and safeguard against various fault conditions.
• Soft Start: This feature reduces inrush current during startup, ensuring smooth and reliable operation.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the device is not moisture-sensitive, making it suitable for various environmental conditions.
• Package: Supplied in a tube package, facilitating easy handling and integration into through-hole PCB designs.

LP38858T-1.2 Applications

The LP38858T-1.2 is ideal for a range of applications where a stable 1.2V output and moderate current delivery are required. Specific use cases include:

• Consumer Electronics: Powering low-voltage microcontrollers, sensors, and other digital circuits in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Providing stable power to control boards, PLCs, and other industrial automation components.
• Telecommunications: Ensuring reliable power supply to communication modules and base stations.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, electronic control units, and other automotive applications requiring low-voltage regulation.

Conclusion LP of38858T-1.2

The LP38858T-1.2 from Texas Instruments is a robust and reliable linear voltage regulator, offering a stable 1.2V output with a maximum current of 1.5A. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for applications requiring efficient power delivery and high reliability. Despite its obsolete status, the LP38858T-1.2 remains a valuable component for engineers and designers seeking a proven solution for their low-voltage power needs.

LP38858T-1.2 Documents

Download datasheets and manufacturer documentation for LP38858T-1.2

Datasheets :

LP38858      

HTML Datasheet :

LP38858