LTC4221IGN#PBF - Dual Hot Swap Controller

The LTC4221IGN#PBF is a high-performance dual Hot Swap controller from Linear Technology designed to enable safe board insertion and removal from a live backplane. This advanced integrated circuit (IC) provides independent control of two power supply rails, making it an ideal solution for managing dual supply electronic systems.

Key Features

• Independent Control: Manages two separate supply voltages ranging from 2.9V to 18V, which can operate independently or with tracking.
• Adjustable Current Limit: Offers an adjustable overcurrent limit threshold via an external resistor, providing flexibility for various application requirements.
• Fast Overcurrent Protection: Features a fast overcurrent comparator that quickly responds to overcurrent conditions, ensuring protection of the electronic system.
• Power Good Outputs: Includes two 'power good' outputs, one for each channel, to signal when the output voltage is within regulation.
• High Side Drive: Utilizes N-channel MOSFETs for the high side drive, ensuring efficient power flow and distribution.
• Compact Package: Available in a 16-pin narrow SSOP package, which is suitable for space-constrained applications.

Applications

The LTC4221IGN#PBF is versatile and can be used in a wide range of applications where dual power supply management is required. It is particularly well-suited for:

• Redundant Power Systems
• Network Servers and Storage Systems
• Industrial/Telecommunications Equipment
• High Availability Systems

Quality and Reliability

Linear Technology ensures that the LTC4221IGN#PBF meets stringent quality and reliability standards. The device is designed to withstand harsh environments and is built with robust protection features, making it a reliable choice for critical applications where system uptime is paramount.

With its combination of dual-channel operation, adjustable parameters, and fast response protection mechanisms, the LTC4221IGN#PBF stands out as a comprehensive solution for power management in sophisticated electronic systems.