Hot Swap controller, MOSFET and sense resistor are integrated in a 5mm × 3mm DFN for accurate current limit and load current monitoring in tight spaces
Vladimir Ostrerov
Abstract
The LTC4217, which combines a Hot Swap controller, MOSFET and sense resistor in a 5mm 3mm DFN package for accurate current limit and load current monitoring in tight spaces, is described.
Keywords
Hot Swap controller
LTC4217
LT4217-12
Introduction
In general, a Hot Swap controller provides two important functions to boards that can be plugged and unplugged from a live backplane:
• It limits the potentially destructive inrush current when a board is plugged in.
• It acts as a circuit breaker, with the maximum current and maximum time at that current ...
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