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首页产品索引MIC5018

MIC5018

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Low Cost High Side MOSFET Driver, Inverting

 

产品信息

The MIC5018 IttyBitty® high-side MOSFET driver is designed to switch an N-channel enhancement-type MOSFET from a TTL compatible control signal in high- or low-side switch applications. This driver features the tiny4-lead SOT-143 package.

The MIC5018 is powered from a +2.7V to +9V supplyand features extremely lowoff-state supply current.An internal charge pump drives the gate output higherthan the driver supply voltage and can sustain the gate voltage indefinitely. An internal zener diode limits thegate-to-source voltage to a safe level for standardN-channel MOSFETs.

In high-side configurations,the source voltage of the MOSFET approaches the supply voltage when switched on. To keep the MOSFET turned on, the MIC5018's output drives the MOSFET gate voltage higher than the supply voltage. In a typical high-sideconfiguration, the driver is powered from the load supply voltage. Under some conditions, the MIC5018 and MOSFET can switch a load voltage that is slightly higher than the driver supply voltage.

In a low-side configuration, the driver can control a MOSFET that switches any voltage up to the rating of the MOSFET. The gate output voltage is higher than the typical 3.3V or 5V logicsupply and can fully enhance a standard MOSFET.

The MIC5018 is available in the SOT-143 package and is rated for -40°C to +85°C ambient temperature range.

  +2.7V to +9V operation

  150µA typical supply current at 5V supply

  ≤1µA typical standby (off) current

  Charge pump for high-side low-voltage applications

  Internal zener diode gate-to-ground MOSFET protection

  Operates in low- and high-side configurations

   TTL compatible input

  ESD protected

电路图、引脚图和封装图

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型号制造商描述购买
MIC5018YM4-TRLittelfuse Inc. 立即购买

应用案例更多案例

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