LT1963EST-2.5#PBF - Low Noise, Fast Transient Response LDO Regulator

The LT1963EST-2.5#PBF is a high-performance low dropout linear regulator (LDO) from Linear Technology, known for its low noise and fast transient response characteristics. This regulator is designed to provide a fixed output voltage of 2.5V with an output current capability of up to 1.5A, making it an excellent choice for sensitive analog circuits, RF applications, and as a post-regulator for switching supplies.

Key Features:

• Output Voltage: Fixed at 2.5V
• Output Current: Capable of delivering up to 1.5A
• Low Dropout Voltage: Ensures efficient operation even with minimal input-to-output voltage difference
• Low Noise: With only 40µVRMS (10Hz to 100kHz), it is ideal for noise-sensitive applications
• Fast Transient Response: Provides stable output during rapid load changes
• Stable with Low ESR Output Capacitors: Operates with aluminum, tantalum, or ceramic capacitors
• Adjustable Output: From 1.21V to 20V with an external resistor divider
• Overcurrent and Overtemperature Protection: Enhances the reliability and longevity of the regulator
• Thermal Resistance: Junction-to-case of 3°C/W

Applications:

The LT1963EST-2.5#PBF is versatile and can be used in a variety of applications that require a stable and clean power supply. It is particularly well-suited for:

• High Efficiency Linear Regulators
• Post-Regulators for Switching Supplies
• Battery-Powered Instrumentation
• Microprocessor Supply
• Low Noise Power Supplies for RF Applications

Package and Quality:

The device comes in a thermally efficient TO-263 package, which is designed to handle high power levels while minimizing the board space required. The part number LT1963EST-2.5#PBF indicates that it is the lead-free version, adhering to the RoHS directive, which is important for environmentally conscious manufacturing and product design.

With its robust feature set, the LT1963EST-2.5#PBF LDO regulator is an excellent choice for designers looking for a high-quality power solution that combines low noise performance with a fast transient response.