LT1963AEQ-1.8#PBF - Low Noise, Fast Transient Response LDO Regulator

The LT1963AEQ-1.8#PBF is a high-performance, low dropout linear regulator (LDO) from Linear Technology, now part of Analog Devices, that offers exceptional power supply performance for noise-sensitive applications. This particular model provides a fixed output voltage of 1.8V, making it an ideal choice for powering advanced microprocessors, microcontrollers, and DSPs that require a stable and precise voltage supply.

Key Features:

• Low Noise Output: With an ultra-low output noise of just 40µV RMS, the LT1963AEQ-1.8#PBF ensures a clean and stable voltage, which is crucial for high-performance audio, RF, and precision analog circuits.
• Fast Transient Response: The LDO's ability to quickly respond to changes in load allows it to maintain a consistent output voltage even under dynamic conditions, which is essential for applications with rapidly switching loads.
• High Efficiency: Its low dropout voltage (typically 340mV at full load) allows for efficient operation, especially when the input-to-output voltage differential is small, reducing power loss and improving overall system efficiency.
• Stable with Low ESR Capacitors: The LT1963AEQ-1.8#PBF remains stable with output capacitors as low as 10µF, enabling the use of smaller, cheaper, and more reliable ceramic capacitors over tantalum types.
• Overtemperature/Overcurrent Protection: Built-in thermal and current limit protections safeguard the device and the system from extreme operating conditions, enhancing reliability and longevity.
• Adjustable Output from 1.21V to 20V: While this model provides a fixed 1.8V output, the family of devices offers an adjustable output version for a wide range of applications.

Applications:

The LT1963AEQ-1.8#PBF is designed for use in a variety of applications where voltage regulation with minimal noise is required. It is particularly well-suited for:

• High-end Audio Equipment
• RF and Wireless Infrastructure
• Test and Measurement Systems
• Medical Equipment
• Industrial Controls
• Automotive Power Supplies

Package and Quality:

Encased in a robust 5-lead TO-220 package, the LT1963AEQ-1.8#PBF is designed for easy integration into a wide range of products. The device is RoHS compliant, ensuring adherence to the latest environmental standards and regulations.

With its combination of low noise, fast transient response, and high power supply rejection ratio (PSRR), the LT1963AEQ-1.8#PBF is an optimal solution for delivering clean power in sensitive electronic systems.