Texas Instruments

LP38853T-ADJ

LP38853T-ADJ Description

The LP38853T-ADJ is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Through Hole TO220-7 package. The LP38853T-ADJ features an adjustable output voltage ranging from 0.8V to 1.8V, making it highly versatile for various electronic systems. It supports a maximum input voltage of 5.5V and can deliver up to 3A of output current, ensuring robust power delivery to demanding loads.

LP38853T-ADJ Features

• Adjustable Output Voltage: The LP38853T-ADJ offers an adjustable output voltage range from 0.8V to 1.8V, providing flexibility for different system requirements.
• High Current Capability: With a maximum output current of 3A, this regulator can efficiently power high-current applications.
• Low Dropout Voltage: The maximum dropout voltage of 0.45V at 3A ensures efficiency high, even at low input-to-output voltage differentials.
• Low Quiescent Current: The quiescent current of 300 µA minimizes power consumption during standby or low-load conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 80dB to 70dB across frequencies from 120Hz to 1kHz, ensuring excellent noise filtering and stable output voltage.
• Protection Features: Integrated over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protections enhance reliability and safeguard the regulator and connected components.
• Control Features: Enable and soft-start functionalities provide precise control over the regulator's operation, facilitating smooth startup and shutdown sequences.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions without requiring special handling precautions.

LP38853T-ADJ Applications

The LP38853T-ADJ is ideal for applications requiring high current and adjustable output voltage, such as:

• Consumer Electronics: Powering high-current devices like portable gaming consoles, tablets, and high-end smartphones.
• Industrial Equipment: Supplying power to motor drivers, PLCs, and other industrial control systems.
• Telecommunications: Providing stable power to base stations, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, advanced driver-assistance systems (ADAS), and other automotive electronic modules.

Conclusion of LP38853T-ADJ

The LP38853T-ADJ from Texas Instruments is a versatile and high-performance linear regulator designed to meet the demanding requirements of modern electronic systems. Its adjustable output voltage, high current capability, and low dropout voltage make it an excellent choice for a wide range of applications. The integrated protection and control features enhance reliability and ease of use, ensuring stable and efficient power delivery. Despite being marked as obsolete, the LP38853T-ADJ remains a reliable option for designers seeking a robust power management solution.