Texas Instruments

LP3855ET-ADJ/NOPB

LP3855ET-ADJ/NOPB Description

The LP3855ET-ADJ/NOPB is a high-performance, adjustable linear voltage regulator designed by Texas Instruments. This regulator is ideal for a wide range of applications requiring a stable and efficient power supply. With its adjustable output voltage ranging from 1.23V to 6.6V and a maximum output current of 1.5A, the LP3855ET-ADJ/NOPB offers flexibility and reliability in various electronic systems. The device features a low dropout voltage of 0.435V at 1.5A, ensuring high efficiency even at low input-to-output voltage differentials. The regulator is housed in a through-hole TO220-5 package, making it suitable for applications where board space is limited and thermal management is critical.

LP3855ET-ADJ/NOPB Features

• Adjustable Output Voltage: The LP3855ET-ADJ/NOPB provides an adjustable output voltage range from 1.23V to 6.6V, making it highly versatile for different power requirements.
• High Output Current: Capable of delivering up to 1.5A of output current, this regulator is suitable for applications requiring high current loads.
• Low Dropout Voltage: With a maximum dropout voltage of 0.435V at 1.5A, the LP3855ET-ADJ/NOPB maintains high efficiency and minimal power loss.
• Enable Control Feature: The regulator includes an enable control feature, allowing for easy on/off control and power savings in standby modes.
• Protection Features: Overcurrent, overtemperature, and short-circuit protection ensure robustness and reliability in various operating conditions.
• Low Quiescent Current: The device operates with a low quiescent current of 3mA, contributing to high overall efficiency.
• High PSRR: The power supply rejection ratio (PSRR) ranges from 73dB to 57dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Compliance and Packaging: The LP3855ET-ADJ/NOPB is REACH unaffected, ROHS3 compliant, and has a moisture sensitivity level (MSL) of 1, making it suitable for environmentally conscious applications. The through-hole TO220-5 package ensures easy integration and reliable performance.

LP3855ET-ADJ/NOPB Applications

The LP3855ET-ADJ/NOPB is well-suited for a variety of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems, automation devices, and instrumentation where reliability and efficiency are paramount.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment requiring stable power supply.
• Medical Devices: Applicable in medical equipment such as diagnostic tools and monitoring devices where precision and reliability are critical.
• Automotive Systems: Ideal for automotive electronics, infotainment systems, and other vehicle-related applications.

Conclusion of LP3855ET-ADJ/NOPB

The LP3855ET-ADJ/NOPB from Texas Instruments is a highly versatile and efficient linear voltage regulator. Its adjustable output voltage range, high output current capability, and low dropout voltage make it an excellent choice for a wide range of applications. The inclusion of enable control and comprehensive protection features ensures ease of use and reliability. With its low quiescent current and high PSRR, the LP3855ET-ADJ/NOPB provides stable and efficient power delivery, making it a standout choice in the competitive market of linear voltage regulators. Whether used in consumer electronics, industrial equipment, or medical devices, the LP3855ET-ADJ/NOPB delivers outstanding performance and reliability.