本文介绍了MAX5977A/MAX5977B主要特性,方框图以及典型应用电路.MAX5977A/MAX5977B是1V-16V单电源热插拔控制器,能对系统提供最完整的保护.电流检测放大器输出精度1%,热插拔监视电压1V-16V,并具有电路中断器功能,主要用在通用热插拔,网络交换和路由器,服务器以及存储系统.
MAX5977A/MAX5977B主要特性:
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
MAX5977A/MAX5977B应用:
General Hot-Swap
Network Switches and Routers
Servers
Storage Systems
图1.MAX5977A/MAX5977B方框图
图2.MAX5977A/MAX5977B典型应用框图
图3.MAX5977A/MAX5977B应用电路图