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MIC5018

更新时间: 2024-11-20 14:54:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
20页 2275K
描述
The MIC5018 IttyBitty? high-side MOSFET gate driver is designed to switch an N-channel enhancement

MIC5018 数据手册

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MIC5018  
High-Side MOSFET Driver  
Features  
General Description  
• +2.7V to +9V Operation  
The MIC5018 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 tiny 4-lead  
SOT-143 package.  
• 150 μA Typical Supply Current at 5V Supply  
• ≤1 μA Typical Standby (Off) Current  
• Charge Pump for High-Side Low-Voltage  
Applications  
The MIC5018 is powered from a +2.7V to +9V supply  
and features extremely low off-state supply current. An  
internal charge pump drives the gate output higher than  
the driver supply voltage and can sustain the gate  
voltage indefinitely. An internal Zener diode limits the  
gate-to-source voltage to a safe level for standard  
N-channel MOSFETs.  
• Internal Zener Diode Gate-to-Ground MOSFET  
Protection  
• Operates in Low- and High-Side Configurations  
• TTL Compatible Input  
• ESD Protected  
Applications  
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-side  
configuration, 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.  
• Battery Conservation  
• Power Bus Switching  
• Solenoid and Motion Control  
• Lamp Control  
Package Type  
MIC5018  
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 logic supply and can fully  
enhance a standard MOSFET.  
SOT-143 (M4)  
The MIC5018 is available in the SOT-143 package and  
is rated for –40°C to +85°C ambient temperature  
range.  
Early production identification: MH10  
2021 Microchip Technology Inc. and its subsidiaries  
DS20006631A-page 1  

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