MAX4370ESA+, Hot Swap Controller, 2.7V to 13.2V supply, NSOIC-8
The MAX4370ESA+ is a current-regulating hot-swap controller with DualSpeed/BiLevel fault protection in 8 pin NSOIC package. This controller designed to reside either on the backplane or on the removable card, is used to protect a system from start-up damage when a card or board is inserted into a rack with the main system power supply turned on. The card's discharged filter capacitors provide low impedance that can momentarily cause the main power supply to collapse. The MAX4370 prevents this start-up condition by providing inrush current regulation during a programmable start-up period, allowing the system to stabilize safely. In addition, two on-chip comparators provide DualSpeed/BiLevel short-circuit protection and overcurrent protection during normal operation. An internal charge pump generates the controlled gate drive for an external N-channel MOSFET power switch. The MAX4370 latches the switch off after a fault condition until an external reset signal clears the device.
• Supply voltage range is 2.7V to 13.2V
• Operating temperature range from -40°C to 85°C
• Latched off after fault condition
• Status pin to indicate a fault condition
• Adjustable overcurrent response time and a power-on reset comparator
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