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MIC5017BWM PDF预览

MIC5017BWM

更新时间: 2024-11-18 22:22:35
品牌 Logo 应用领域
麦瑞 - MICREL 驱动器
页数 文件大小 规格书
9页 132K
描述
Low-Cost Dual High- or Low-Side MOSFET Driver

MIC5017BWM 数据手册

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MIC5016/5017  
Low-Cost Dual High- or Low-Side MOSFET Driver  
General Description  
Features  
MIC5016 and MIC5017 dual MOSFET drivers are designed  
for gate control of N-channel, enhancement-mode, power  
MOSFETs used as high-side or low-side switches. The  
MIC5016/7 can sustain an on-state output indefinitely.  
• 2.75V to 30V operation  
• 100µA maximum supply current (5V supply)  
• 15µA typical off-state current  
• Internal charge pump  
• TTL compatible input  
TheMIC5016/7operatesfroma2.75Vto30Vsupply. Inhigh-  
side configurations, the driver can control MOSFETs that  
switch loads of up to 30V. In low-side configurations, with  
separate supplies, the maximum switched voltage is limited  
only by the MOSFET.  
• Withstands 60V transient (load dump)  
• Reverse battery protected to –20V  
• Inductive spike protected to –20V  
• Overvoltage shutdown at 35V  
• Internal 15V gate protection  
• Minimum external parts  
• Operates in high-side or low-side configurations  
• 1µA control input pull-off  
The MIC5016/7 has two TTL compatible control inputs. The  
MIC5016 is noninverting while the MIC5017 is inverting.  
The MIC5016/7 features internal charge pumps that can  
sustain gate voltages greater than the available supply  
voltage. The driver is capable of turning on logic-level  
MOSFETs from a 2.75V supply or standard MOSFETs from  
a 5V supply. Gate-to-source output voltages are internally  
limited to approximately 15V.  
• Inverting and noninverting versions  
Applications  
• Automotive electrical load control  
• Battery-powered computer power management  
• Lamp control  
• Heater control  
• Motor control  
The MIC5016/7 is protected against automotive load dump,  
reversed battery, and inductive load spikes of –20V. The  
driver’s overvoltage shutdown feature turns off the external  
MOSFETs at approximately 35V to protect the load against  
power supply excursions.  
• Power bus switching  
The MIC5016 is an improved pin-for-pin compatible replace-  
ment in many MIC5012 applications.  
Ordering Information  
The MIC5016/7 is available in plastic 14-pin DIP and 16-pin  
SOIC pacakges.  
Part Number  
Noninverting  
MIC5016BWM  
MIC5016BN  
Inverting  
Temperature Range  
Package  
–40°C to +85°C  
–40°C to +85°C  
16-pin Wide SOIC  
14-pin Plastic DIP  
Typical Application  
+3V to +4V  
MIC5017BWM  
MIC5017BN  
–40°C to +85°C  
–40°C to +85°C  
16-pin Wide SOIC  
14-pin Plastic DIP  
10µF  
MIC5016BN  
V+ A Gate A  
V+ B Source A  
IRLZ24  
ON  
OFF  
ON  
Back  
Light  
In A  
Gate B  
In B Source B  
Gnd  
OFF  
IRLZ24  
Figure 1: 3-Volt “Sleep-Mode” Switches  
with Logic-Level MOSFETs  
5-146  
October 1998  

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