Datasheet > 驱动程序和接口 > MOSFET 驱动器> MIC4420ZN

MIC4420ZN

更新时间： 2024-10-01 12:56:35

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
12页	231K
描述
6A-Peak Low-Side MOSFET Driver

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MIC4420ZN 数据手册

MIC4420/4429

Micrel, Inc.

MIC4420/4429

6A-Peak Low-Side MOSFET Driver

Bipolar/CMOS/DMOS Process

General Description

Features

• CMOS Construction

• Latch-Up Protected: Will Withstand >500mA

Reverse Output Current

MIC4420, MIC4429 and MIC429 MOSFET drivers are

tough, efﬁcient, and easy to use. The MIC4429 and MIC429

are inverting drivers, while the MIC4420 is a non-inverting

driver.

• Logic Input Withstands Negative Swing of Up to 5V

• Matched Rise and Fall Times ................................25ns

• High Peak Output Current ............................... 6A Peak

• Wide Operating Range...............................4.5V to 18V

• High Capacitive Load Drive............................10,000pF

• Low Delay Time.............................................. 55ns Typ

• Logic High Input for Any Voltage From 2.4V to V_S

• Low Equivalent Input Capacitance (typ)..................6pF

• Low Supply Current...............450µA With Logic 1 Input

• Low Output Impedance ......................................... 2.5Ω

• Output Voltage Swing Within 25mV of Ground or V_S

They are capable of 6A(peak) output and can drive the larg-

est MOSFETs with an improved safe operating margin. The

MIC4420/4429/429 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.

MIC4420/4429/429 drivers can replace three or more

discrete components, reducing PCB area requirements,

simplifying product design, and reducing assembly cost.

Applications

Modern BiCMOS/DMOS construction guarantees freedom

from latch-up. The rail-to-rail swing capability insures ad-

equate gate voltage to the MOSFET during power up/down

sequencing.

• Switch Mode Power Supplies

• Motor Controls

• Pulse Transformer Driver

• Class-D Switching Ampliﬁers

Note: See MIC4120/4129 for high power and narrow

pulse applications.

Functional Diagram

V_S

MIC4429

INVERTING

0.4mA

0.1mA

OUT

2kΩ

MIC4420

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

M9999-072205

July 2005

12 3 4 5 6 7...12

中文翻译

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与MIC4420ZN相关器件

型号	品牌	获取价格	描述	数据表
MIC4421	MICREL	获取价格	9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4421	MIC	获取价格	9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4421	MICROCHIP	获取价格	MIC4421 and MIC4422 MOSFET gate drivers are rugged, efficient, and easy to use. The MIC442
MIC4421_05	MICREL	获取价格	9A-Peak Low-Side MOSFET Driver
MIC4421_11	MIC	获取价格	9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4421A	MIC	获取价格	High peak-output current: 9A Peak (typ.)
MIC4421A	MICREL	获取价格	9A Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4421A	MICROCHIP	获取价格	MIC4421A and MIC4422A MOSFET gate drivers are rugged, efficient, and easy to use. The MIC4
MIC4421A_11	MIC	获取价格	High peak-output current: 9A Peak (typ.)
MIC4421AAM	MICREL	获取价格	9A Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process

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