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| 型号： | MIC5014YN |
| 厂商： | Micrel Inc |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MOSFET HI/LO SIDE 8DIP |
| 标准包装： | 50 |
| 配置： | 高端或低端 |
| 输入类型： | 非反相 |
| 延迟时间： | 2.5ms |
| 配置数： | 1 |
| 输出数： | 1 |
| 电源电压： | 2.75 V ~ 30 V |
| 工作温度： | -40°C ~ 85°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-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 1110 (CN2011-ZH PDF) |
| 其它名称： | 576-1234 |
MIC5014/5015
12V
12V
LM3905N
Micrel, Inc.
1
Trigger Logic
8
On
2
3
V REF
R/C
Emit
Coll
7
6
10μF
4 Gnd
V+ 5
1
2
MIC5014
V+ NC
Input NC
8
7
R S
0.06 ?
R1
1k ?
1000pF
3
Source
4 Gnd
6
NC
Gate 5
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 MIC5014/15 allows
a steady gate enhancement to be supplied while the
MIC5014/15 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
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 be 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 MIC5014 or the power FET by forcing the Source
node below ground (the MIC5014 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
1
V+
MIC5014
NC
8
inductive kickback current to flow. The 5k ? resistor in series
with this diode has been included to set the recovery time of
ON
OFF
2
3
Input
Source
NC
NC
7
6
M
the solenoid valve.
24V
4 Gnd
Gate 5
IRF540
MIC5015
1
V+
NC
8
OFF
ON
2
3
Input
Source
NC
NC
7
6
Figure 6: DC Motor Speed Control/Driver
4 Gnd
Gate 5
IRFZ40
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
ASCO
8320A
Solenoid
1N4005
5k ?
cannot change instantaneously through an inductor. In most
Figure 7: Solenoid Valve Driver
June 2005
7
MIC5014/5015
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC5015 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Low-Cost High- or Low-Side MOSFET Driver |
| MIC5015BM | 功能描述:IC DRIVER MOSF HI/LOW SIDE 8SOIC RoHS:否 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 |
| MIC5015BM TR | 功能描述:IC DRIVER MOSF HI/LOW SIDE 8SOIC RoHS:否 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 |
| MIC5015BMTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC5015BN | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Low-Cost High- or Low-Side MOSFET Driver |
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