Texas Instruments

LP38851SX-ADJ/NOPB  

Linear & Switching Voltage Regulators

LP38851SX-ADJ/NOPB Description

The LP38851SX-ADJ/NOPB is a high-performance, adjustable linear positive regulator designed for applications requiring a reliable and efficient power management solution. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for a wide range of electronic systems. The regulator features an adjustable output voltage ranging from 0.8V to 1.8V, making it suitable for various low-voltage applications. It supports a maximum input voltage of 5.5V and can deliver up to 800mA of output current, ensuring robust performance in demanding environments.

LP38851SX-ADJ/NOPB Features

The LP38851SX-ADJ/NOPB offers several unique features that set it apart from similar models in the market:

• Adjustable Output Voltage: The regulator provides an adjustable output voltage range of 0.8V to 1.8V, allowing for flexibility in various applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.2V at 800mA, the LP38851SX-ADJ/NOPB ensures high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: The device features a low quiescent current of 300 µA, which is crucial for minimizing power consumption in battery-powered applications.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 72dB at 120Hz and 61dB at 1kHz, effectively filtering out noise from the input supply.
• Control and Protection Features: The LP38851SX-ADJ/NOPB includes enable and soft-start control features, as well as comprehensive protection mechanisms such as over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protection.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 3, suitable for standard manufacturing processes.
• Packaging: The regulator comes in a surface-mount package, specifically in a tape and reel (TR) format, facilitating easy integration into modern PCB designs.

LP38851SX-ADJ/NOPB Applications

The LP38851SX-ADJ/NOPB is well-suited for a variety of applications due to its versatile and efficient design:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where low power consumption and high efficiency are critical.
• Industrial Systems: Suitable for industrial control systems, sensors, and IoT devices that require reliable power management and low dropout voltage.
• Telecommunications: Applicable in base stations, routers, and other telecom equipment where high PSRR and low noise are essential for maintaining signal integrity.
• Automotive Electronics: Can be used in automotive applications such as infotainment systems, electronic control units (ECUs), and advanced driver-assistance systems (ADAS) due to its robust protection features and reliability.

Conclusion of LP38851SX-ADJ/NOPB

The LP38851SX-ADJ/NOPB from Texas Instruments is a versatile and high-performance linear regulator that offers significant advantages over similar models. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an excellent choice for a wide range of applications, particularly in consumer electronics, industrial systems, telecommunications, and automotive electronics. The inclusion of advanced control and protection features, combined with its compliance with environmental and regulatory standards, further enhances its appeal. The LP38851SX-ADJ/NOPB is a reliable and efficient power management solution that meets the demands of modern electronic systems.

LP38851SX-ADJ/NOPB Documents

Download datasheets and manufacturer documentation for LP38851SX-ADJ/NOPB

Datasheets :

LP38851      

Design Resources :

LP38851 Design with WEBENCH® Power Designer      

HTML Datasheet :

LP38851