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MAX5914A - +48V Quad Hot-Swap Controllers

This page provides the datasheet information for the MAX5914A, a member of the MAX5913A +48V Quad Hot-Swap Controllers family.

Description

The MAX5913A/MAX5914A are quadruple hot-swap controllers.

The MAX5913A/MAX5914A independently control four external n-channel switches to hot-swap system loads from a single VCC supply line.

The devices allow the safe insertion and removal of power devices from live network ports.

Features

  • an active-low relay driver that sinks current when the relay output is enabled. The MAX5914A features an activehigh relay driver output that sources 1mA to drive an external FET relay driver when the relay output is enabled. Control circuitry ensures the relays and the FETs are off until VCC reaches the UVLO threshold. The MAX5913A/MAX5914A use an external sense resistor to enable all the internal current-sense functions. The MAX5913A/MAX5914A feature a programmable analog current-limit circuit.

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Full PDF Text Transcription

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19-3302; Rev 0; 5/04 +48V Quad Hot-Swap Controllers For Power-Over-LAN General Description The MAX5913A/MAX5914A are quadruple hot-swap controllers. The MAX5913A/MAX5914A independently control four external n-channel switches to hot-swap system loads from a single VCC supply line. The devices allow the safe insertion and removal of power devices from live network ports. The operating supply voltage range is between +35V and +72V. The devices are intended for applications in Power-Over-Media-Dependent Interface (MDI), but are not limited to such usage. The MAX5913A/MAX5914A feature an internal underwww.DataSheet4U.com voltage lockout (UVLO) function that prevents the FET from turning on, if VCC does not exceed the default value of +32V.
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