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MIC4427

更新时间： 2024-11-12 04:39:51

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
9页	264K
描述
Dual 1.5A-Peak Low-Side MOSFET Driver

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MIC4427 数据手册

MIC4426/4427/4428

Micrel, Inc.

MIC4426/4427/4428

Dual 1.5A-Peak Low-Side MOSFET Driver

General Description

Features

The MIC4426/4427/4428 family are highly-reliable dual low-

sideMOSFETdriversfabricatedonaBiCMOS/DMOSprocess

for low power consumption and high efﬁciency.These drivers

translate TTL or CMOS input logic levels to output voltage

levelsthatswingwithin25mVofthepositivesupplyorground.

Comparable bipolar devices are capable of swinging only

to within 1V of the supply. The MIC4426/7/8 is available in

three conﬁgurations: dual inverting, dual noninverting, and

one inverting plus one noninverting output.

• Bipolar/CMOS/DMOS construction

• Latch-up protection to >500mA reverse current

• 1.5A-peak output current

• 4.5V to 18V operating range

• Low quiescent supply current

4mA at logic 1 input

400µA at logic 0 input

• Switches 1000pF in 25ns

• Matched rise and rall times

• 7Ω output impedance

• <40ns typical delay

The MIC4426/4427/4428 are pin-compatible replacements

for the MIC426/427/428 and MIC1426/1427/1428 with im-

proved electrical performance and rugged design (Refer to

the Device Replacement lists on the following page). They

can withstand up to 500mAof reverse current (either polarity)

without latching and up to 5V noise spikes (either polarity)

on ground pins.

• Logic-input threshold independent of supply voltage

• Logic-input protection to –5V

• 6pF typical equivalent input capacitance

• 25mV max. output offset from supply or ground

• Replaces MIC426/427/428 and MIC1426/1427/1428

• Dual inverting, dual noninverting, and inverting/

noninverting conﬁgurations

PrimarilyintendedfordrivingpowerMOSFETs, MIC4426/7/8

driversaresuitablefordrivingotherloads(capacitive,resistive,

orinductive)whichrequirelow-impedance,highpeakcurrent,

and fast switching time. Other applications include driving

heavily loaded clock lines, coaxial cables, or piezoelectric

transducers. The only load limitation is that total driver power

dissipation must not exceed the limits of the package.

• ESD protection

Applications

• MOSFET driver

• Clock line driver

• Coax cable driver

Note See MIC4126/4127/4128 for high power and narrow

pulse applications.

• Piezoelectic transducer driver

Functional Diagram

V_S

INVERTING

0.6mA

0.1mA

OUTA

INA

2kΩ

NONINVERTING

INVERTING

0.6mA

0.1mA

OUTB

INB

2kΩ

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

M9999-042108

April 2008

12 3 4 5 6 7...9

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与MIC4427相关器件

型号	品牌	获取价格	描述	数据表
MIC4427AJBQ	MICROCHIP	获取价格	Buffer/Inverter Based MOSFET Driver, 1.5A, BICMOS, CDIP8, CERDIP-8
MIC4427AM	MICREL	获取价格	Dual 1.5A-Peak Low-Side MOSFET Driver
MIC4427AM	ROCHESTER	获取价格	Buffer/Inverter Based MOSFET Driver, 1.5A, BICMOS, PDSO8, SOIC-8
MIC4427AY	MICROCHIP	获取价格	1.5A 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, UUC6
MIC4427BJ	MICROCHIP	获取价格	Buffer/Inverter Based MOSFET Driver, 1.5A, BICMOS, CDIP8, CERDIP-8
MIC4427BM	MICREL	获取价格	Dual 1.5A-Peak Low-Side MOSFET Driver
MIC4427BMM	MICREL	获取价格	Dual 1.5A-Peak Low-Side MOSFET Driver
MIC4427BMMT&R	MICREL	获取价格	Buffer/Inverter Based MOSFET Driver, 1.5A, BICMOS, PDSO8, MSOP-8
MIC4427BN	MICREL	获取价格	Dual 1.5A-Peak Low-Side MOSFET Driver
MIC4427CM	MICREL	获取价格	Dual 1.5A-Peak Low-Side MOSFET Driver

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