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MIC4451YN

更新时间： 2024-10-01 10:57:03

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器接口集成电路光电二极管
页数	文件大小	规格书
14页	495K
描述
12A-Peak Low-Side MOSFET Driver

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中文翻译

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数据手册
替代型号

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MIC4451YN 数据手册

MIC4451/4452

12A-Peak Low-Side MOSFET Driver

Bipolar/CMOS/DMOS Process

General Description

Features

MIC4451 and MIC4452 CMOS MOSFET drivers are

tough, efficient, and easy to use. The MIC4451 is an

inverting driver, while the MIC4452 is a non-inverting

driver.

• 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: 12A Peak

•..Wide Operating Range: 4.5V to 18V

•..High Capacitive Load Drive: 62,000Pf

•..Low Delay Time: 30ns (typ)

•..Logic High Input for Any Voltage from 2.4V to V_S

•..Low Supply Current450µA With Logic 1 Input

•..Low Output Impedance: 1.0Ω

Both versions are capable of 12A (peak) output and can

drive the largest MOSFETs with an improved safe

operating margin. The MIC4451/4452 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.

MIC4451/4452 drivers can replace three or more discrete

components, reducing PCB area requirements, simplifying

product design, and reducing assembly cost.

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

• Low Equivalent Input Capacitance (typ): 7pF

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

MOSFET 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.

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

____________________________________________________________________________________________________________

Functional Diagram

V_S

MIC4451

INVERTING

0.3mA

0.1mA

OUT

2kꢀ

MIC4452

NONINVERTING

GND

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-01200 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-011811-A

January 2011

12 3 4 5 6 7...14

中文翻译

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MIC4451YN 替代型号

型号	品牌	替代类型	描述	数据表
MIC4451YN	MICROCHIP	功能相似	12A BUF OR INV BASED MOSFET DRIVER, PDIP8
TC4451VPA	MICROCHIP	功能相似	12A High-Speed MOSFET Drivers

与MIC4451YN相关器件

型号	品牌	获取价格	描述	数据表
MIC4451ZT	MICREL	获取价格	12A-Peak Low-Side MOSFET Driver
MIC4451ZT	MICROCHIP	获取价格	12A BUF OR INV BASED MOSFET DRIVER, PSFM5
MIC4452	MICREL	获取价格	12A-Peak Low-Side MOSFET Driver
MIC4452	MICROCHIP	获取价格	MIC4451 and MIC4452 CMOS MOSFET gate drivers are tough, efficient, and easy to use. The MI
MIC4452AJBQ	MICREL	获取价格	Buffer/Inverter Based MOSFET Driver, 12A, BICMOS, CDIP8, CERDIP-8
MIC4452AWBQ	MICREL	获取价格	Buffer/Inverter Based MOSFET Driver, 12A, BICMOS, CDFP10, CERPACK-10
MIC4452BM	MICREL	获取价格	12A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4452BM	MICROCHIP	获取价格	Buffer/Inverter Based MOSFET Driver, 12A, BCDMOS, PDSO8, SOIC-8
MIC4452BN	MICREL	获取价格	12A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process
MIC4452CN	MICREL	获取价格	Buffer/Inverter Based MOSFET Driver, 12A, BICMOS, PDIP8, PLASTIC, DIP-8

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