MIC4422ZMTR

更新时间： 2024-09-13 13:11:31

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
12页	238K
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MIC4422ZMTR 数据手册

MIC4421/4422

Micrel, Inc.

MIC4421/4422

9A-Peak Low-Side MOSFET Driver

Bipolar/CMOS/DMOS Process

General Description

Features

• BiCMOS/DMOS Construction

• Latch-Up Proof: Fully Isolated Process is Inherently

Immune to Any Latch-up.

MIC4421 and MIC4422 MOSFET drivers are rugged, ef-

ﬁcient, and easy to use. The MIC4421 is an inverting driver,

while the MIC4422 is a non-inverting driver.

• 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.............. 450µA With Logic 1 Input

• Low Output Impedance .........................................1.5Ω

• Output Voltage Swing to Within 25mV of GND or V_S

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_Swithout 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.

Applications

• Switch Mode Power Supplies

• Motor Controls

• Pulse Transformer Driver

• Class-D Switching Ampliﬁers

• Line Drivers

• Driving MOSFET or IGBT Parallel Chip Modules

• Local Power ON/OFF Switch

• Pulse Generators

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.

Functional Diagram

V_S

MIC4421

INVERTING

0.3mA

0.1mA

OUT

2kΩ

MIC4422

NONINVERTING

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

M9999-081005

August 2005

12 3 4 5 6 7...12

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与MIC4422ZMTR相关器件

型号	品牌	获取价格	描述	数据表
MIC4422ZM-TR	MICROCHIP	获取价格	9A BUF OR INV BASED MOSFET DRIVER, PDSO8
MIC4422ZN	MICREL	获取价格	9A-Peak Low-Side MOSFET Driver
MIC4422ZN	MICROCHIP	获取价格	9A BUF OR INV BASED MOSFET DRIVER, PDIP8
MIC4422ZT	MICREL	获取价格	9A-Peak Low-Side MOSFET Driver
MIC4422ZT	MICROCHIP	获取价格	9A BUF OR INV BASED MOSFET DRIVER, PSFM5
MIC4423	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423	MIC	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423	MICROCHIP	获取价格	The MIC4423/4424/4425 family are highly reliable BiCMOS/DMOS buffer/driver/MOSFET gate dri
MIC4423_05	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver
MIC4423_11	MIC	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process

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