型号：LTC4414EMS8

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LTC4414EMS8

LTC4414EMS8

LTC4414EMS8

规格信息：供应商封装形式：MSOP

标准包装名称：MSOP

工作温度：85

包装高度：0.86

安装：Surface Mount

包装宽度：3

PCB：8

包装长度：3

工作温度：-40

引脚数：8

铅形状：Gull-wing

The LTC®4414 controls an external P-channel MOSFET tocreate a near ideal diode function for power switchover.This permits highly efficient OR’ing of multiple powersources for extended battery life and low self- heating. Whenconducting, the voltage drop across the MOSFET is typi-cally 20mV. For applications with a wall adapter or other aux-iliary power source, the load is automatically disconnectedfrom the battery when the auxiliary source is connected.Two or more LTC4414s may be interconnected to allowswitchover between multiple batteries or charging of mul-tiple batteries from a single charger.The wide supply operating range supports operation fromone to eight Li-Ion cells in series. The low quiescentcurrent (30μA typical) is independent of the load current.The gate driver includes an internal voltage clamp forMOSFET protection.The STAT pin can be used to enable an auxiliary P-channelMOSFET power switch when an auxiliary supply isdetected. This pin may also be used to indicate to a micro-controller that an auxiliary supply is connected. The con-trol (CTL) input enables the user to force the primaryMOSFET off and the STAT pin low