ADI LT4200RUHG#PBF

The LT4200 is an integrated solution for hot swap applications that allows a board to be safely inserted and removed from a live backplane. The part integrates a hot swap controller, power MOSFET and current sense resistor into a single package for small form-factor applications. The MOSFET safe operating area is production tested and guaranteed for the stresses in hot swap applications. The LT4200 allows 50A of continuous operation at up to 85°C ambient temperature. It provides separate inrush current control and a ±12% accurate 57A current limit with output dependent foldback. The current limit threshold can be adjusted dynamically using the ISET pin. Additional features include a current monitor output for ground referenced current sensing and a MOSFET temperature monitor output. Thermal limit, overvoltage, undervoltage and power good monitoring are also provided.

• Allows Safe Board Insertion into Live Backplane
• Wide Operating Voltage Range: 2.9V to 15V
• Guaranteed Safe Operating Area: 7.5W√s
• 1.2mΩ MOSFET with Current Sense Element
• ±4% Current Monitor Output
• Adjustable Current Limit Threshold
• Temperature Monitor Output
• Overtemperature Protection
• Adjustable Current Limit Timer Before Fault
• Power Good and Fault Outputs
• Adjustable Inrush Current Control
• ±2.5% Accurate Undervoltage and Overvoltage Protection
• Available in a 36-Pin 5mm×8mm QFN Package

• High Availability Servers
• Solid State Drives