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参数资料
| 型号： | MIC4421BM |
| 厂商： | MICREL INC |
| 元件分类： | MOSFETs |
| 英文描述： | 9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process |
| 中文描述： | 9 A BUF OR INV BASED MOSFET DRIVER, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 1/12页 |
| 文件大小： | 235K |
| 代理商： | MIC4421BM |
MIC4421/4422
Micrel, Inc.
August 2005
1
M9999-081005
MIC4421/4422
9A-Peak Low-Side MOSFET Driver
Bipolar/CMOS/DMOS Process
General Description
MIC4421 and MIC4422 MOSFET drivers are rugged, ef-
cient, and easy to use. The MIC4421 is an inverting driver,
while the MIC4422 is a non-inverting driver.
Both versions are capable of 9A (peak) output and can drive
the largest MOSFETs with an improved safe operating mar-
gin. The MIC4421/4422 accepts any logic input from 2.4V to
V
S without external speed-up capacitors or resistor networks.
Proprietary circuits allow the input to swing negative by as
much as 5V without damaging the part. Additional circuits
protect against damage from electrostatic discharge.
MIC4421/4422 drivers can replace three or more discrete
components, reducing PCB area requirements, simplifying
product design, and reducing assembly cost.
Modern Bipolar/CMOS/DMOS construction guarantees
freedom from latch-up. The rail-to-rail swing capability of
CMOS/DMOS insures adequate gate voltage to the MOS-
FET during power up/down sequencing. Since these devices
are fabricated on a self-aligned process, they have very low
crossover current, run cool, use little power, and are easy
to drive.
Features
BiCMOS/DMOS Construction
Latch-Up Proof: Fully Isolated Process is Inherently
Immune to Any Latch-up.
Input Will Withstand Negative Swing of Up to 5V
Matched Rise and Fall Times ............................... 25ns
High Peak Output Current ...............................9A Peak
Wide Operating Range .............................. 4.5V to 18V
High Capacitive Load Drive ...........................47,000pF
Low Delay Time .............................................30ns Typ.
Logic High Input for Any Voltage from 2.4V to V
S
Low Equivalent Input Capacitance (typ) ................. 7pF
Low Supply Current .............. 450A With Logic 1 Input
Low Output Impedance .........................................1.5Ω
Output Voltage Swing to Within 25mV of GND or V
S
Applications
Switch Mode Power Supplies
Motor Controls
Pulse Transformer Driver
Class-D Switching Ampliers
Line Drivers
Driving MOSFET or IGBT Parallel Chip Modules
Local Power ON/OFF Switch
Pulse Generators
Functional Diagram
IN
OUT
MIC4421
INVERTING
MIC4422
NONINVERTING
0.1mA
0.3mA
2k
VS
GND
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
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| MIC4421BM TR | 功能描述:IC DRIVER MOSFET 9A LS 8-SOIC 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 |
| MIC4421BN | 功能描述:IC DRIVER MOSFET 9A LS 8-DIP 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 |
| MIC4421CM | 功能描述:IC DRIVER MOSFET 9A LS 8-SOIC 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 |
| MIC4421CM TR | 功能描述:IC DRIVER MOSFET 9A LS 8-SOIC 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 |
| MIC4421CN | 功能描述:IC DRIVER MOSFET 9A LS 8-DIP 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 |
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