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Maxim产品 - MAX4370介绍

MAX4370 - 电流调节热插拔控制器,带有DualSpeed/BiLevel故障保护

MAX4370是Maxim美信半导体公司的一款热插拔和电源开关产品,MAX4370是电流调节热插拔控制器,带有DualSpeed/BiLevel故障保护,本站介绍了MAX4370的封装应用图解、特点和优点、功能等,并给出了与MAX4370相关的Maxim元器件型号供参考。

MAX4370 - 电流调节热插拔控制器,带有DualSpeed/BiLevel故障保护 - 热插拔和电源开关 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX4370 is a circuit-breaker IC designed to offer protection in hot-swap applications using Maxim's DualSpeed/BiLevel™ detection. This controller, designed to reside either on the backplane or on the removable card, is used to protect a system from start-up damage when a card or board is inserted into a rack with the main system power supply turned on. The card's discharged filter capacitors provide a low impedance that can momentarily cause the main power supply to collapse. The MAX4370 prevents this start-up condition by providing inrush current regulation during a programmable start-up period, allowing the system to stabilize safely. In addition, two on-chip comparators provide DualSpeed/BiLevel short-circuit protection and overcurrent protection during normal operation.

The MAX4370 provides protection for a +3V to +12V single supply. An internal charge pump generates the controlled gate drive for an external N-channel MOSFET power switch. The MAX4370 latches the switch off after a fault condition until an external reset signal clears the device. Other features include a status pin to indicate a fault condition, an adjustable overcurrent response time, and a power-on reset comparator.

The MAX4370 is specified for the extended-industrial temperature range (-40°C to +85°C) and is available in an 8-pin SO package.

关键特性
  • 以下关键特性由Maxim美信半导体提供:
  • DualSpeed/BiLevel Protection During Normal Operation
  • Inrush Current Regulated at Start-Up
  • Resides Either on the Backplane or on the Removable Card
  • Programmable Start-Up Period and Response Time
  • Allows Safe Board Insertion and Removal from Live Backplane
  • Protection for +3V to +12V Single Supplies
  • Latched Off After Fault Condition
  • Status Output Pin
  • Internal Charge Pump Generates Gate Drive for External N-Channel MOSFET
  • 热门应用
  • 热插拔板
  • 固态电路断路器
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