Datasheet > MIC4423

MIC4423

更新时间： 2024-09-13 10:57:03

品牌	Logo	应用领域
MIC		驱动器
页数	文件大小	规格书
13页	219K
描述
Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process

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MIC4423 数据手册

MIC4423/4424/4425

Micrel, Inc.

MIC4423/4424/4425

Dual 3A-Peak Low-Side MOSFET Driver

Bipolar/CMOS/DMOS Process

General Description

Features

The MIC4423/4424/4425 family are highly reliable BiCMOS/

DMOS buffer/driver/MOSFET drivers. They are higher out-

put current versions of the MIC4426/4427/4428, which are

improved versions of the MIC426/427/428. All three families

are pin-compatible. The MIC4423/4424/4425 drivers are ca-

pable of giving reliable service in more demanding electrical

environments than their predecessors. They will not latch

under any conditions within their power and voltage ratings.

They can survive up to 5V of noise spiking, of either polarity,

on the ground pin. They can accept, without either damage

or logic upset, up to half an amp of reverse current (either

polarity) forced back into their outputs.

•

Reliable, low-power bipolar/CMOS/DMOS construction

Latch-up protected to >500mA reverse current

Logic input withstands swing to –5V

High 3A-peak output current

Wide 4.5V to 18V operating range

Drives 1800pF capacitance in 25ns

Short <40ns typical delay time

Delay times consistent with in supply voltage change

Matched rise and fall times

TTL logic input independent of supply voltage

Low equivalent 6pF input capacitance

Low supply current

3.5mA with logic-1 input

350µA with logic-0 input

Low 3.5Ω typical output impedance

Output voltage swings within 25mV of ground or V_S.

‘426/7/8-, ‘1426/7/8-, ‘4426/7/8-compatible pinout

Inverting, noninverting, and differential conﬁgurations

TheMIC4423/4424/4425seriesdriversareeasiertouse,more

ﬂexible in operation, and more forgiving than other CMOS

or bipolar drivers currently available. Their BiCMOS/DMOS

construction dissipates minimum power and provides rail-to-

rail voltage swings.

•

Primarily intended for driving power MOSFETs, the

MIC4423/4424/4425driversaresuitablefordrivingotherloads

(capacitive, resistive, or inductive) which require low-imped-

ance, high peak currents, and fast switching times. Heavily

loadedclocklines,coaxialcables,orpiezoelectrictransducers

are some examples. The only known limitation on loading is

that total power dissipated in the driver must be kept within

the maximum power dissipation limits of the package.

Note: See MIC4123/4124/4125 for high power and narrow

pulse applications.

Functional Diagram

V_S

Integrated Component Count:

4 Resistors

4 Capacitors

52 Transistors

INVERTING

0.6mA

0.1mA

OUTA

INA

2kΩ

NONINVERTING

INVERTING

0.6mA

0.1mA

OUTB

INB

2kΩ

NONINVERTING

GND

Ground Unused Inputs

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

July 2005

MIC4423/4424/4425

12 3 4 5 6 7...13

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与MIC4423相关器件

型号	品牌	获取价格	描述	数据表
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
MIC4423BM	MIC	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423BM	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423BMTR	MICREL	获取价格	Buffer/Inverter Based MOSFET Driver, 3A, BCDMOS, PDSO8, SOIC-8
MIC4423BN	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423BN	MIC	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423BWM	MIC	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423BWM	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4423CN	MICREL	获取价格	Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process

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