The LTC1265CS-3.3 is a high-efficiency, monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supplied by Linear Technology, a leader in analog and power management integrated circuits, this regulator is designed to step down high voltage inputs to a fixed 3.3V output with a substantial output current capability.

Key Features

• Output Voltage: 3.3V fixed output capable of driving a wide range of loads.
• Input Voltage Range: Operates from a wide input range of 4.5V to 18V, making it suitable for various applications including battery-powered devices.
• High Efficiency: Utilizes internal synchronous rectification, providing enhanced efficiency especially at lower output voltages.
• Current Mode Control: Offers excellent line and load regulation and ensures stable operation with a wide range of output capacitors and inductors.
• Protection Features: Includes overcurrent protection and thermal shutdown to safeguard the device and the load under extreme conditions.
• Low Dropout Operation: Capable of 100% duty cycle for low dropout operation, making it suitable for applications requiring maximum battery life during brownouts.
• Adjustable Switching Frequency: The switching frequency can be set from 150kHz to 500kHz with a single external resistor or synchronized to an external clock.
• Compact Design: Available in a compact 16-pin narrow SOIC package, allowing for a space-saving PCB layout.

Applications

The LTC1265CS-3.3 is versatile and can be used in a variety of applications, including:

• Telecommunications
• Portable Computers
• Networking Equipment
• DC Power Distribution Systems
• Industrial Supplies

With its robust design and feature set, the LTC1265CS-3.3 from Linear Technology is an excellent choice for designers looking for a reliable and efficient power solution for their 3.3V applications.