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MAX5903

Maxim
Part Number MAX5903
Manufacturer Maxim
Description +72V SOT23 Simple Swapper Hot-Swap Controllers
Published Apr 29, 2005
Detailed Description 19-1988; Rev 3; 1/07 MAX5902/MAX5903 +72V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers General Description The MA...
Datasheet PDF File MAX5903 PDF File

MAX5903
MAX5903

Overview
19-1988; Rev 3; 1/07 MAX5902/MAX5903 +72V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers General Description The MAX5902/MAX5903 are hot-swap controllers that allow a circuit card to be safely hot plugged into a live backplane without causing a glitch on the power-supply rail.
These devices operate from +9V to +72V and provide the simplest hot-swap solution by eliminating all external components except the external p-channel MOSFET.
The MAX5902/MAX5903 limit the inrush current to the load and provide a circuit-breaker function for overcurrent protection.
During startup the circuit-breaker function is disabled and the MAX5902/MAX5903 limit the inrush current by gradually turning on the external MOSFET.
Once the external MOSFET is fully enhanced, the circuit-breaker function is enabled and the MAX5902/MAX5903 provide overcurrent protection by monitoring the voltage drop across the external MOSFET’s on-resistance.
The MAX5902/MAX5903 include an undervoltage lockout (UVLO) function,...


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