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 (V_GATE = V_IN + 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