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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » Maxim Integrated MAX5977A / MAX5977B Hot-Swap Controllers
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Maxim Integrated MAX5977A / MAX5977B
Hot-Swap Controllers

Maxim Integrated's MAX5977A and MAX5977B hot-swap controllers with precision current-sense output provide complete protection for systems with a 1V to 16V single-supply voltage. Maxim Integrated MAX5977A and MAX5977B hot-swap controllers limit the inrush current from damaging the board or shorting out the backplane during initial insertion. These Maxim Integrated hot-swap controllers feature a 1% accurate current-sense amplifier output. The MAX5977A provides a latched-off output, and the MAX5977B an autoretry output, when these devices are in fault mode. They also provide two levels of overcurrent circuit-breaker protections: a fast-trip threshold for a fast turn-off and a lower slow-trip threshold for a delayed turn-off. These devices are designed for use in a variety of applications, including servers, storage systems, network switches and routers, and general hot-swap.

Features
  • 1% Accurate Current-Sense Amplifier Output
  • Hot-Swap Monitors Operation from 1V to 16V
  • Integrated Charge Pump Fully Enhances the External n-Channel FET (VGATE = VIN + 5V)
  • VariableSpeed/BiLevel™ Fault Protection Provides Electronic Circuit-Breaker Function
  • Output Latched Off After Fault Condition (MAX5977A)
  • Autoretry After Fault Condition (MAX5977B)
  • Power-Good Indicator
  • Calibration Mode
  • Small, 20-Pin, 4mm x 4mm TQFN-EP Package
Applications
  • Servers
  • Storage Systems
  • Network Switches and Routers
  • General Hot-Swap
Typical Operating Circuit
  • Maxim Integrated
  • Power|Semiconductors|Integrated Circuits|IC-Power Management