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| 型号： | MIC5016BWM |
| 厂商： | Micrel Inc |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MOSF DUAL HI/LO 16SOIC |
| 标准包装： | 47 |
| 配置： | 高端和低端，独立 |
| 输入类型： | 非反相 |
| 延迟时间： | 2.5ms |
| 配置数： | 1 |
| 输出数： | 2 |
| 电源电压： | 2.75 V ~ 30 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
MIC5016/5017
12V
12V
LM3905N
Micrel
1
Trigger Logic
8
On
2
3
V REF
R/C
Emit
Coll
7
6
10μF
4 Gnd
V+ 5
1/2 MIC5017
V+
Input
R S
0.06 ?
R1
1k ?
1000pF
Source
Gnd
Gate
R4
1k ?
R2
120k ?
LM301A
0.01μF
2.2k ?
1k ?
Figure 5. High Side Driver with Delayed Overcurrent Shutdown
Typical Applications
Variable Supply Low Side Driver for Motor Speed Control
(Figure 6) The internal regulation in the MIC5016/17 allows
a steady gate enhancement to be supplied while the MIC5016/
17 supply varies from 5V to 30V, without damaging the
internal gate to source zener clamp. This allows the speed of
the DC motor shown to be varied by varying the supply
voltage.
V CC = +5V to +30V
1/2 MIC5017
V+
applications, it is acceptable to allow this voltage to momen-
tarily turn the MOSFET back on as a way of dissipating the
inductor's current. However, if this occurs when driving a
solenoid valve with a fast switching speed, chemicals or
gases may inadvertantly be dispensed at the wrong time with
possibly disasterous consequences. Also, too large of a
kickback voltage (as is found in larger solenoids) can damage
the MIC5016 or the power FET by forcing the Source node
below ground (the MIC5016 can be driven up to 20V below
ground before this happens). A catch diode has been
included in this design to provide an alternate route for the
inductive kickback current to flow. The 5k ? resistor in series
with this diode has been included to set the recovery time of
ON
Input
M
the solenoid valve.
24V
OFF
Source
Gnd
Gate
IRF540
1/2 MIC5016
V+
ON
Input
OFF
Source
Figure 6: DC Motor Speed Control/Driver
Solenoid Valve Driver (Figure 7) High power solenoid valves
are used in many industrial applications requiring the timed
dispensing of chemicals or gases. When the solenoid is
activated, the valve opens (or closes), releasing (or stopping)
fluid flow. A solenoid valve, like all inductive loads, has a
considerable “ kickback ” voltage when turned off, as current
Gnd
Gate
ASCO
8320A
Solenoid
IRFZ40
1N4005
5k ?
cannot change instantaneously through an inductor. In most
Figure 7: Solenoid Valve Driver
October 1998
7
MIC5016/5017
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相关代理商/技术参数 |
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|---|---|
| MIC5016BWM TR | 制造商:Micrel Inc 功能描述:MOSFET DRVR 2-OUT Hi/Lo Side Non-Inv 16-Pin SOIC W T/R |
| MIC5016YN | 功能描述:IC DRIVER MOSF DUAL HI/LOW 14DIP RoHS:是 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:50 系列:- 配置:高端 输入类型:非反相 延迟时间:200ns 电流 - 峰:250mA 配置数:1 输出数:1 高端电压 - 最大（自引导启动）:600V 电源电压:12 V ~ 20 V 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-DIP 包装:管件 其它名称:*IR2127 |
| MIC5016YWM | 功能描述:IC DRIVER MOSF DUAL HI/LO 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:50 系列:- 配置:高端 输入类型:非反相 延迟时间:200ns 电流 - 峰:250mA 配置数:1 输出数:1 高端电压 - 最大（自引导启动）:600V 电源电压:12 V ~ 20 V 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-DIP 包装:管件 其它名称:*IR2127 |
| MIC5017BN | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Low-Cost Dual High- or Low-Side MOSFET Driver |
| MIC5017BWM | 制造商:Micrel Inc 功能描述:MOSFET DRVR 2-OUT Hi/Lo Side Inv 16-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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