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参数资料
| 型号： | MIC5014YN |
| 厂商： | Micrel Inc |
| 文件页数： | 8/12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
Incandescent/Halogen Lamp Driver (Figure 8) The combi-
nation of an MIC5014/5015 and a power FET makes an
effective driver for a standard incandescent or halogen lamp
load. Such loads often have high inrush currents, as the
resistance of a cold filament is less than one-tenth as much as
when it is hot. Power MOSFETs are well suited to this
application as they have wider safe operating areas than do
power bipolar transistors. It is important to check the SOA
curve on the data sheet of the power FET to be used against
the estimated or measured inrush current of the lamp in
question prior to prototyping to prevent “explosive” results.
If overcurrent sense is to be used, first measure the duration
of the inrush, then use the topology of Figure 5 with the RC of
Micrel, Inc.
Motor Driver With Stall Shutdown (Figure 10) Tachometer
feedback can be used to shut down a motor driver circuit when
a stall condition occurs. The control switch is a 3-way type; the
“START” position is momentary and forces the driver ON.
When released, the switch returns to the “RUN” position, and
the tachometer’s output is used to hold the MIC5014 input ON.
If the motor slows down, the tach output is reduced, and the
MIC5014 switches OFF. Resistor “R” sets the shutdown
threshold.
12V
10μF
the timer chosen to accomodate the duration with suitable
guardbanding.
12V
1
2
MIC5014
V+ NC
Input NC
8
7
330k ?
3
Source
NC
6
10μF
1
V+
MIC5014
NC
8
R
330k ?
4 Gnd
Gate 5
IRFZ44
Control Input
ON
2
Input
NC
7
OFF
3
Source
4 Gnd
6
NC
Gate 5
IRF540
1N4148
T
M
OSRAM
HLX64623
Figure 8. Halogen Lamp Driver
Relay Driver (Figure 9) Some power relay applications re-
quire the use of a separate switch or drive control, such as in
the case of microprocessor control of banks of relays where
a logic level control signal is used, or for drive of relays with
high power requirements. The combination of an MIC5014/
5015 and a power FET also provides an elegant solution to
power relay drive.
Figure 10. Motor Stall Shutdowm
Simple DC-DC Converter (Figure 11) The simplest applica-
tion for the MIC5014 is as a basic one-chip DC-DC converter.
As the output (Gate) pin has a relatively high impedance, the
output voltage shown will vary significantly with applied load.
5V
10μF
MIC5014
10μF
12V
1
2
3
V+
Input
Source
NC
NC
NC
8
7
6
1
V+
MIC5014
NC
8
4 Gnd
Gate 5
V OUT = 12V
Control Input
ON
OFF
2
3
Input
Source
NC
NC
7
6
4 Gnd
Gate 5
IRF540
Guardian Electric
1725-1C-12D
Figure 11. DC - DC Converter
Figure 9: Relay Driver
MIC5014/5015
8
June 2005
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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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