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| 型号： | MIC5014YN |
| 厂商： | Micrel Inc |
| 文件页数： | 9/12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
High Side Driver With Load Protection (Figure 12) Al-
though the MIC5014/15 devices are reverse battery pro-
tected, the load and power FET are not, in a typical high side
configuration. In the event of a reverse battery condition, the
internal body diode of the power FET will be forward biased.
This allows the reversed supply access to the load.
Micrel, Inc.
The addition of a Schottky diode between the supply and the
FET eliminates this problem. The MBR2035CT was chosen
as it can withstand 20A continuous and 150A peak,
and should survive the rigors of an automotive environment.
The two diodes are paralleled to reduce switch loss (forward
voltage drop).
12V
10μF
MIC5014
MBR2035CT
1
V+
NC
8
Control Input
ON
OFF
2
3
Input
Source
NC
NC
7
6
4 Gnd
Gate 5
IRF540
Figure 12: High Side Driver WIth Load Protection
Push-Pull Driver With No Cross-Conduction (Figure 13)
As the turn-off time of the MIC5014/15 devices is much faster
than the turn-on time, a simple push-pull driver with no cross
conduction can be made using one MIC5014 and one
MIC5015. The same control signal is applied to both inputs;
the MIC5014 turns on with the positive signal, and the
MIC5015 turns on when it swings low.
This scheme works with no additional components as the
relative time difference between the rise and fall times of the
considerable deadtime (time when neither driver is turned on).
If this circuit is used to drive an inductive load, catch diodes
must be used on each half to provide an alternate path for the
kickback current that will flow during this deadtime.
This circuit is also a simple half H-bridge which can be driven
with a PWM signal on the input for SMPS or motor drive
applications in which high switching frequencies are not
desired.
MIC5014 is large. However, this does mean that there is
12V
10μF
1
V+
MIC5014
NC
8
2
3
Input
Source
NC
NC
7
6
4 Gnd
Gate 5
IRFZ40
Control Input
12V
V OUT
MIC5015
1
2
3
V+
Input
Source
NC
NC
NC
8
7
6
4 Gnd
Gate 5
IRFZ40
Figure 13: Push-Pull Driver
June 2005
9
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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