LT1776IS8#PBF - Step-Down Switching Regulator

The LT1776IS8#PBF is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supplied by Linear Technology, now part of Analog Devices, this regulator is designed for a variety of applications, including portable computers, telecommunications equipment, and industrial systems.

Key Features

• Wide Input Voltage Range: The device can operate from an input voltage range of 4V to 60V, making it versatile for various power supply designs.
• Current Mode Operation: Provides excellent transient response and enables cycle-by-cycle current limiting.
• Adjustable Switching Frequency: The switching frequency can be set from 100kHz to 500kHz, allowing designers to optimize efficiency and component size.
• Integrated Boost Diode: The inclusion of an internal boost diode simplifies the circuit and reduces external component count.
• High Efficiency: Synchronous rectification delivers efficiency as high as 90%, which is beneficial for thermal management and energy savings.
• Thermal Protection: The regulator includes thermal shutdown to protect the device under over-temperature conditions.
• Low Shutdown Current: It features a low shutdown current of less than 10µA, which enhances energy efficiency in battery-powered applications.

Applications

The LT1776IS8#PBF is suitable for a wide range of applications, including:

• Portable Computers
• Telecommunications Equipment
• Industrial Systems
• DC-DC Converters
• Automotive Power Systems

Packaging and Quality

This regulator is packaged in an 8-lead SOIC with a thermally enhanced footprint, part number LT1776IS8#PBF, ensuring reliable operation even in thermally challenging conditions. The device is RoHS compliant and adheres to the high-quality standards set by Linear Technology/Analog Devices.

With its robust feature set and flexible design options, the LT1776IS8#PBF is a go-to choice for designers seeking a reliable and efficient power management solution.