LINEAR TECHNOLOGY LT4250L/LT4250H Manual

Update: 30 September, 2023

The LT4250L/LT4250H is a negative 48V hot swap controller that allows a board to be safely inserted and removed from a live backplane. By controlling the gate voltage of an external N-channel pass transistor, inrush current is limited to a programmable value. If the input voltage is less than the programmable undervoltage threshold or greater than the overvoltage threshold, the pass transistor is turned off. A programmable current limit protects the system against shorts. After a 500µs timeout, the current limit activates the electronic circuit breaker. The PWRGD (LT4250L) or PWRGD (LT4250H) signal can be used to directly enable a power module. The LT4250L is designed for modules with a low enable input and the LT4250H for modules with a high enable input. The LT4250L/LT4250H are available in 8-pin PDIP and SO packages.

Brand: LINEAR

File format: PDF

Size: 234 KB

MD5 Checksum: 1F8D849F83D0EFE4E59C486CE93FF2F3

Publication date: 09 May, 2012

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PDF Link: LINEAR TECHNOLOGY LT4250L/LT4250H Manual PDF

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