General Description
The MAX4271/MAX4272/MAX4273 comprise a complete family of integrated 3V to 12V hot-swap controllers. They allow the safe insertion and removal of circuit cards into live backplanes.

FEATUREs
♦ Provide Safe Hot Swap for +3V to +12V Power Supplies with Few External Components
♦ Unique Current Regulation Architecture Minimizes n-FET Linear Mode Duration
♦ Autoretry Feature (MAX4272/MAX4273)
♦ DualSpeed/BiLevel Current Limit Protects Against Current Glitches and Short Circuits
♦ Power-On RESET (MAX4273)
♦ 15V Absolute Maximum Rating Protects Against Inductive Kickbacks During Board Removal
♦ Internal Charge Pump Generates Gate Drive for External n-MOSFET
♦ Status Output Pin Indicates Fault/Safe Condition
♦ Space-Saving 8-Pin SO, 16-Pin QSOP Packages

APPLICATIONs
    Base Stations
    RAID
    Remote-Access Servers
    Network Routers and
    Switches
    ISDN