Datasheet > MIC44F20YMME

MIC44F20YMME

更新时间： 2024-10-01 03:11:35

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
13页	601K
描述
6A High Speed MOSFET Drivers

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MIC44F20YMME 数据手册

MIC44F18/19/20

6A High Speed MOSFET Drivers

General Description

Features

The MIC44F18, MIC44F19 and MIC44F20 are high-

speed single MOSFET drivers capable of sinking and

sourcing 6A for driving capacitive loads. With delay

times of less than 15ns and rise times into a 1000pF

load of 10ns, these MOSFET drivers are ideal for driving

large gate charge MOSFETs in power supply

applications. The MIC44F18 is a non-inverting driver,

the MIC44F19 is an inverting driver suited for driving P-

Channel MOSFETs and the MIC44F20 is an inverting

driver for N-Channel MOSFETs.

• 4.5V to 13.2V input operating range

• 6A peak output current

• High accuracy ±5% enable input threshold

• High speed switching capability

10ns rise time in 1000pF load

<15ns propagation delay time

• Flexible UVLO function

4.2V internally set UVLO

Programmable with external resistors

Fabricated using Micrel’s proprietary BiCMOS/DMOS

process for low power consumption and high efficiency,

the MIC44F18/19/20 translates TTL or CMOS input logic

levels to output voltage levels that swing within 25mV of

the positive supply or ground. Comparable bipolar

devices are capable of swinging only to within 1V of the

supply.

• Latch-up protection to >500mA reverse current on the

output pin

• Enable function

• Thermally enhanced ePAD MSOP-8 package option

• Miniature 2mm x 2mm MLF^®-8 package option

• Pb-free packaging

The input supply voltage range of the MIC44F18/19/20

is 4.5V to 13.2V, making the devices suitable for driving

MOSFETs in a wide range of power applications. Other

features include an enable function, latch-up protection,

and a programmable UVLO function.

Applications

• Synchronous switch-mode power supplies

• Secondary side synchronous rectification

The MIC44F18/19/20 has a junction temperature range

of –40°C to +125°C with exposed pad ePAD MSOP-8

and 2mm x 2mm MLF^®-8 package options.

Data sheets and support documentation can be found

on Micrel’s web site at www.micrel.com.

Typical Applications

MOSFET Driver w/6.2V Programmed UVLO Internally Set

MOSFET Driver with 4V

MLF and MicroLeadFrame are registered trademarks of Amkor Technologies, Inc.

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

M9999-011207

January 2007

12 3 4 5 6 7...13

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