LT1963ET#PBF - Low Noise, Fast Transient Response LDO Regulator

The LT1963ET#PBF is a high-performance low dropout linear regulator (LDO) from Linear Technology, designed to deliver a continuous output current of up to 1.5A with a dropout voltage of typically 340mV at full load. This LDO regulator is particularly well-suited for applications requiring optimal power supply noise and performance, such as sensitive RF and audio circuits, as well as post-regulation for switching power supplies.

Key Features

• Output Current: Capable of delivering 1.5A of continuous output current.
• Low Dropout Voltage: Has a low dropout voltage, typically 340mV at full load, which enhances efficiency and allows operation with minimal input-to-output voltage differential.
• Low Noise: Offers low output noise of 40µVRMS over a 10Hz to 100kHz bandwidth, making it ideal for noise-sensitive applications.
• Fast Transient Response: Features fast transient response, ensuring stable output during rapid load changes.
• Stable with Low ESR Capacitors: Stable with ceramic, tantalum, or aluminum electrolytic capacitors, providing flexibility in design.
• Adjustable Output: Comes with an adjustable output from 1.21V to 20V, catering to a wide range of applications.
• Overcurrent and Overtemperature Protection: Includes built-in protection features such as overcurrent and overtemperature protection for enhanced reliability and safety.

Applications

The LT1963ET#PBF is suitable for a variety of applications, including:

• High-efficiency linear power supplies
• Post-regulation for switching supplies
• Battery-powered equipment
• Microprocessor supply
• Low noise instrumentation
• RF and audio circuits

Package and Quality

The LT1963ET#PBF comes in a thermally enhanced TSSOP-16 package, which ensures efficient thermal management even under full-load conditions. The product adheres to rigorous quality standards, ensuring reliable performance in a wide range of environmental conditions.

With its combination of low noise, fast transient response, and flexibility in output voltage and capacitor selection, the LT1963ET#PBF stands out as a versatile LDO solution for demanding applications that require high-quality power regulation.