LT1965EQ-3.3 - Low Noise, Low Dropout Linear Regulator

The LT1965EQ-3.3 is a high-performance, low dropout linear regulator from Linear Technology, designed to deliver a continuous output current of up to 1.1A with a dropout voltage of just 300mV at full load. This makes it an excellent choice for applications that require a stable 3.3V power supply while operating from a low input voltage source.

Key Features

• Output Voltage: Fixed at 3.3V, providing a precise voltage source for sensitive electronics.
• Output Current: Capable of delivering up to 1.1A, suitable for a wide range of applications.
• Low Dropout Voltage: Only 300mV at full load, maximizing efficiency and battery life in portable applications.
• Low Noise: With only 40µVRMS (10Hz to 100kHz), it's ideal for noise-sensitive applications such as RF and precision analog circuits.
• Stable with Low ESR Ceramic Capacitors: Ensures stability and reliability with commonly used capacitors, reducing design complexity and cost.
• Adjustable Current Limit: Protects the regulator and downstream components from overcurrent conditions.
• Thermal Protection: Internal thermal shutdown provides additional safety and reliability.
• Fast Transient Response: Maintains a stable output voltage even during rapid changes in load, critical for high-performance applications.

Applications

The LT1965EQ-3.3 is versatile and can be used in various applications, including:

• Portable Electronics
• Microprocessor Supply
• Post-Regulation for Switching Supplies
• RF and Precision Analog Circuits
• Battery-Powered Devices

Package and Quality

Encased in a robust 5-lead DD-Pak package, the LT1965EQ-3.3 is designed to withstand harsh environments and is rated for operation from -40°C to 125°C. With Linear Technology's reputation for quality and reliability, you can trust this regulator to perform consistently in your critical applications.

Whether you're designing a new power supply circuit or looking to improve an existing one, the LT1965EQ-3.3 offers the performance and features to meet your needs.