Linear Technology's LTC1771EMSE High Efficiency, Low Noise Step-Down DC/DC Controller

The LTC1771EMSE from Linear Technology is a high performance step-down DC/DC controller that is designed to drive an external power MOSFET at switching frequencies up to 600kHz. This compact and efficient device is ideal for creating small footprint, low noise power supplies in a variety of applications, including telecommunications, portable devices, and industrial equipment.

Key Features:

• High Efficiency: Capable of converting input voltages ranging from 2.65V to 9.8V to a lower output voltage, the LTC1771EMSE can deliver efficiencies as high as 96%, making it suitable for battery-powered devices where long run-time is essential.
• Low Noise Operation: Thanks to its constant frequency current mode architecture, the LTC1771EMSE minimizes both switch noise and input current ripple, contributing to a low noise power supply design.
• Flexible Operation: With a wide input voltage range and the ability to produce output voltages as low as 1.25V, this controller is highly versatile and can adapt to a wide range of power requirements.
• Burst Mode® Operation: Incorporating Linear Technology's patented Burst Mode operation, the LTC1771EMSE can maintain high efficiency at low output currents, which significantly extends battery life in portable applications.
• Thermal Protection: The device includes over-temperature protection, ensuring reliable operation under varying environmental conditions.

Applications:

• Portable Electronics
• Telecommunications
• Industrial Power Supplies
• Automotive Systems

Package and Availability:

The LTC1771EMSE is available in a compact 10-lead MSOP package, providing a space-saving solution for densely packed circuit boards. Its robust design ensures performance in the most demanding of applications. For pricing, samples, and additional information, contact Linear Technology or visit their official website.