Linear Technology LTC1694IS5# Product Overview

The LTC1694IS5#, from Linear Technology, is a high-performance, hot-swappable, dual NMOS switch controller that is designed to enhance the control and protection of board-level power supply circuits. This compact and efficient device is housed in a space-saving SOT-23 package, making it an ideal choice for dense PCB layouts where space is at a premium.

Key Features

• Hot Swap Capability: The LTC1694IS5# allows for the safe insertion and removal of circuit boards from live backplanes, reducing the risk of damaging sensitive electronic components.
• Dual NMOS Control: This device can independently control two NMOS transistors, which enables it to manage both the main power supply and a secondary supply or function.
• Under-Voltage Lockout (UVLO): The built-in UVLO feature ensures that the switch remains off until the supply voltage reaches a safe operating level, protecting downstream circuits from brownout conditions.
• Fast Turn-On Time: The LTC1694IS5# boasts a rapid turn-on time, which minimizes power-up delays and enhances system responsiveness.
• Adjustable Current Limit: Users can set the current limit threshold to match the requirements of their specific application, providing additional protection against overcurrent conditions.
• Thermal Protection: The device includes thermal shutdown functionality to prevent overheating, further safeguarding the system under extreme conditions.

Applications

The LTC1694IS5# is versatile and can be used in a variety of applications, including:

• Server and Telecom Hot Swap Systems
• Redundant Power Supplies
• Industrial Control Systems
• Network Routers and Switches

Conclusion

With its robust feature set and compact form factor, the LTC1694IS5# from Linear Technology is a powerful solution for managing power supply circuits in high-availability systems. Its ability to control dual NMOS switches, along with its protective features, makes it a reliable and essential component for any design that requires hot-swap capability and precise power management.