The LT1963EQ-1.8#PBF is a robust, high-performance low-dropout linear regulator (LDO) from Linear Technology, designed to deliver a fixed output voltage of 1.8V with an output current capacity of up to 1.5A. This regulator is a part of the LT1963 series, known for their low noise, high power supply rejection ratio (PSRR), and fast transient response, making them ideal for sensitive applications such as RF and precision analog circuits.

Key Features

• Output Voltage: Fixed at 1.8V, suitable for a wide range of low-voltage applications.
• Output Current: Capable of delivering up to 1.5A, providing sufficient power for demanding loads.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage, maximizing battery life for portable devices.
• Low Noise: With only 40µVRMS (10Hz to 100kHz), it is perfect for noise-sensitive applications such as audio and RF circuits.
• High PSRR: Excellent power supply rejection ratio of 66dB at 1kHz, minimizing the impact of supply voltage variations on the output.
• Fast Transient Response: Quickly responds to changes in load, ensuring stable output voltage under dynamic conditions.
• Thermal Protection: Features internal thermal shutdown to protect the device under high-temperature conditions.
• Stable with Low ESR Capacitors: Stability with ceramic, tantalum, and aluminum electrolytic capacitors, providing flexibility in design.

Applications

The LT1963EQ-1.8#PBF is well-suited for a variety of applications that require a stable and clean power supply. These include:

• High-efficiency linear power supplies
• Battery-powered equipment
• Microprocessor and microcontroller supplies
• Low-noise instrumentation
• Post-regulation for switching supplies

Package Information

The LT1963EQ-1.8#PBF comes in a 5-lead TO-263 package, which is designed for surface mount technology (SMT) and offers a compact footprint for space-constrained applications. The package is also RoHS compliant and lead (Pb) free, reflecting Linear Technology's commitment to environmental sustainability.