Overview of LTC4244IGN-1

The LTC4244IGN-1 is a compact, highly integrated Hot Swap controller designed by Linear Technology, now part of Analog Devices, to manage power distribution and board level insertion for systems with multiple supply voltages. This advanced product is engineered to enable safe board insertion and removal from a live backplane by limiting the inrush current that can cause voltage disruptions and damage to connectors and circuitry.

Key Features

• Multiple Channel Operation: The LTC4244IGN-1 can independently control the inrush current for a dual 12V supply, as well as 3.3V and 5V supplies, providing versatile power management across various voltage rails.
• Adjustable Current Limit: It offers an adjustable analog current limit for precise control, ensuring compatibility with a wide range of system requirements and protection needs.
• High-Speed Operation: With its fast response time, the LTC4244IGN-1 is capable of quickly responding to overcurrent conditions, providing rapid protection to downstream components.
• Low Power Dissipation: Its low voltage drop and the use of external N-channel MOSFETs minimize power dissipation, which is crucial for maintaining efficiency and reducing thermal strain on the system.
• Power Good Outputs: The device includes power good outputs, which provide system feedback and can be used to enable downstream converters when stable power is established.
• Compact Package: Housed in a narrow 16-lead SSOP package, the LTC4244IGN-1 saves board space and is suitable for high-density power distribution applications.

Applications

The LTC4244IGN-1 is ideal for a variety of applications, including:

• Redundant Power Systems
• Network Servers and Storage Systems
• Telecommunications Infrastructure
• Industrial Equipment

Technical Specifications

With an operating temperature range from 0°C to 70°C, the LTC4244IGN-1 is designed to perform reliably in a broad spectrum of environments. Its integrated features, such as undervoltage lockout, programmable time delays, and automatic retry after fault, make it a robust solution for managing power distribution in complex electronic systems.

Whether you are designing a server, a telecom switch, or industrial control systems, the LTC4244IGN-1 provides a sophisticated, reliable, and efficient solution for Hot Swap operations and power management.