The LP3855EMPX-2.5 is a high-performance, low dropout (LDO) linear voltage regulator from Texas Instruments, designed to provide clean and stable power to sensitive electronic circuits. This regulator is capable of delivering a fixed output voltage of 2.5V with an output accuracy of 1.5% over line, load, and temperature. It is suitable for a wide range of applications, including but not limited to, servers, networking equipment, and other digital systems that require a low voltage, high current power supply.

Key Features

• Output Voltage: Fixed at 2.5V with excellent regulation.
• Output Current: Capable of delivering up to 1.5A of continuous current.
• Low Dropout: Maintains regulation with very small differences between input and output voltage, enhancing efficiency.
• High Accuracy: Output voltage accuracy of ±1.5%, ensuring reliable power delivery.
• Thermal Protection: Features internal thermal shutdown protection to prevent overheating.
• Stable with Low-ESR Output Capacitors: Stable with ceramic capacitors as low as 10 µF, providing flexibility in design.
• Fast Transient Response: Quickly responds to changes in load, preserving output voltage stability.
• Adjustable Version: Also available in an adjustable version for application-specific output voltages.

Applications

• Server and Telecom Infrastructure
• Networking Equipment
• Industrial and Medical Equipment
• Consumer Electronics

Package and Availability

The LP3855EMPX-2.5 comes in a compact 5-pin SOT-223 package, which is suitable for surface-mount technology (SMT) and occupies minimal space on a printed circuit board (PCB). It is available for purchase from Texas Instruments and authorized distributors, and detailed technical documentation, including datasheets and application notes, can be found on the Texas Instruments website.