Texas Instruments

LP38852MR-ADJ

LP38852MR-ADJ Description

The LP38852MR-ADJ is a linear positive adjustable voltage regulator designed by Texas Instruments, offering a versatile solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a surface mount 8SO package. It features an adjustable output voltage range from 0.8V to 1.8V, making it suitable for a variety of low-voltage applications. The regulator is capable of delivering up to 1.5A of output current, ensuring robust performance in demanding applications.

LP38852MR-ADJ Features

• Adjustable Output Voltage: The LP38852MR-ADJ provides an adjustable output voltage range from 0.8V to 1.8V, offering flexibility to meet specific application requirements.
• High Current Capability: With a maximum output current of 1.5A, this regulator can support high-power applications efficiently.
• Low Dropout Voltage: The maximum dropout voltage is 0.18V at 1.5A, ensuring high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: The quiescent current is only 300 µA, which is crucial for minimizing power consumption in battery-operated devices.
• Enhanced Protection Features: The regulator includes over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protections, safeguarding the device and the connected circuitry.
• Control Features: The LP38852MR-ADJ offers enable and soft-start control features, providing additional control over the power supply startup and shutdown processes.
• High PSRR: The power supply rejection ratio (PSRR) ranges from 80dB to 65dB across frequencies from 120Hz to 1kHz, ensuring excellent noise filtering and stable output voltage.
• Moisture Sensitivity Level: The MSL rating of 3 (168 hours) ensures reliability in various environmental conditions.
• Compliance: The regulator is REACH unaffected and classified under ECCN EAR99, meeting stringent regulatory standards.

LP38852MR-ADJ Applications

The LP38852MR-ADJ is ideal for a wide range of applications requiring a reliable and efficient power supply solution. Its adjustable output voltage and high current capability make it suitable for:

• Mobile Devices: Providing stable power to processors and other components in smartphones, tablets, and other portable electronics.
• Wearable Technology: Ensuring efficient power management in low-power, battery-operated wearable devices.
• Embedded Systems: Supporting various embedded where systems precise voltage regulation and high current are needed.
• Industrial Equipment: Offering reliable power supply solutions in industrial applications where low dropout voltage and high efficiency are critical.

Conclusion of LP38852MR-ADJ

The LP38852MR-ADJ from Texas Instruments stands out as a high-performance linear regulator with its adjustable output voltage, high current capability, and low dropout voltage. Its comprehensive protection features and low quiescent current make it an excellent choice for applications requiring high efficiency and reliability. Despite being marked as obsolete, the LP38852MR-ADJ remains a solution robust for power management, particularly in low-voltage, high-current applications. Its versatile feature set and compliance with industry standards ensure that it continues to meet the demands of modern electronic systems.