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参数资料
| 型号： | MIC5020BM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MOSF LO SIDE HS 8-SOIC |
| 标准包装： | 2,500 |
| 配置： | 低端 |
| 输入类型： | 非反相 |
| 延迟时间： | 400ns |
| 配置数： | 1 |
| 输出数： | 1 |
| 电源电压： | 11 V ~ 50 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC5020BMTR MIC5020BMTR-ND |
Standard
Pb-Free
MIC5020
General Description
The MIC5020 low-side MOSFET driver is designed to operate
at frequencies greater than 100kHz (5kHz PWM for 2% to
100% duty cycle) and is an ideal choice for high-speed ap-
plications such as motor control, SMPS (switch mode power
supplies), and applications using IGBTs. The MIC5020 can
also operate as a circuit breaker with or without automatic
retry. The MIC5020’s maximum supply voltage lends itself
to control applications using up to 50V. The MIC5020 can
control MOSFETs that switch voltages greater than 50V.
A rising or falling edge on the input results in a current source
or sink pulse on the gate output. This output current pulse
can turn on or off a 2000pF MOSFET in approximately 175ns.
The MIC5020 then supplies a limited current (< 2mA), if
necessary, to maintain the output state.
An overcurrent comparator with a trip voltage of 50mV makes
the MIC5020 ideal for use with a current sensing MOSFET.
An external low value resistor may be used instead of a
sensing MOSFET for more precise overcurrent control. An
optional external capacitor connected to the C T pin may be
used to control the current shutdown duty cycle from 20%
to < 1%. A duty cycle from 20% to about 75% is possible
with an optional pull-up resistor from C T to V DD . An open
collector output provides a fault indication when the sense
inputs are tripped.
Micrel, Inc.
MIC5020
Current-Sensing Low-Side MOSFET Driver
Features
? 11V to 50V operation
? 175ns rise/fall time driving 2000pF
? TTL compatible input with internal pull-down resistor
? Overcurrent limit
? Fault output indication
? Gate to source protection
? Compatible with current sensing MOSFETs
Applications
? Lamp control
? Heater control
? Motor control
? Solenoid switching
? Switch-mode power supplies
? Circuit breaker
Ordering Information
Part Number Temperature
Range Package
MIC5020BM MIC5020YM –40oC to +85oC 8-pin SOIC
The MIC5020 is available in 8-pin SOIC package.
Other members of the MIC502x series include the MIC5021
high-side driver and the MIC5022 half-bridge driver with a
cross-conduction interlock.
Typical Application
V+
R S E N S E = 50mV
+11V to +50V
10μF
150kHz max.
optional*
1
2
3
4
MIC5020
V DD Gate
Input Sense-
Fault Sense+
C T Gnd
8
7
6
5
N-Channel
Power MOSFET
R SENSE
I TR IP
* increases time before retry
Low-Side Driver with Overcurrent Trip and Retry
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
July 2005
1
MIC5020
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC5020BN | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Current-Sensing Low-Side MOSFET Driver |
| MIC5020YM | 功能描述:功率驱动器IC High Speed Low Side MOSFET Driver - Lead Free RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MIC5020YM TR | 功能描述:功率驱动器IC High Speed Low Side MOSFET Driver - Lead Free RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MIC5020YM | 制造商:Micrel Inc 功能描述:ICSingle MOSFET DriverSOP8PINPLASTIC |
| MIC5021 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Speed High-Side MOSFET Driver |
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