Datasheet > MIC2044

MIC2044

更新时间： 2024-11-04 22:46:15

品牌	Logo	应用领域
麦瑞 - MICREL		开关
页数	文件大小	规格书
15页	268K
描述
SINGLE CHANNEL HIGH CURRENT LOW VOLTAGE, PROTECTED POWER DISTRIBUTION SWITCH

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MIC2044 数据手册

MIC2044/2045

Micrel

MIC2044/2045

Single Channel, High Current, Low Voltage,

Protected Power Distribution Switch

General Description

Features

TheMIC2044andMIC2045arehigh-sideMOSFETswitches

optimizedforgeneralpurposepowerdistributionapplications

that require circuit protection. These devices switch up to

5.5V and as low as 0.8V while offering both programmable

current limiting and thermal shutdown to protect the device

and the load. A fault status output is provided to indicate

overcurrent and thermal shutdown fault conditions. Both

devices employ soft-start circuitry to minimize the inrush

current in applications that employ highly capacitive loads.

Additionally, fortightercontroloverinrushcurrentduringstart

up, the output slew-rate may be adjusted by an external

capacitor.

• 30mΩ maximum on-resistance

• 0.8V to 5.5V operating range

• Adjustable current limit

• Up to 6A continuous output current

• Short circuit protection

• Very fast reaction to short circuits

• Thermal shutdown

• Adjustable slew-rate control

• Circuit breaker mode (MIC2045)

• Fault status flag

• Power-Good detection

• Undervoltage lockout

• No reverse current flow through the switching MOSFET

when OFF or disabled

• Low quiescent current

TheMIC2045featuresaauto-resetcircuitbreakerthatlatches

the output OFF upon detecting an overcurrent condition

lasting more than 32ms. The output is reset by removing or

reducing the load.

Applications

• Docking stations

• LAN servers

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

• WAN switches

• Hot swap board insertions

• Notebook PCs

• PDAs

• Base stations

• RAID controllers

• USB hosts

Typical Application

"Applications Information."

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

October 2003

MIC2044/2045

12 3 4 5 6 7...15

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与MIC2044相关器件

型号	品牌	获取价格	描述	数据表
MIC2044_05	MICREL	获取价格	Single Channel, High Current, Low Voltage, Protected Power Distribution Switch
MIC2044-1BTS	MICREL	获取价格	SINGLE CHANNEL HIGH CURRENT LOW VOLTAGE, PROTECTED POWER DISTRIBUTION SWITCH
MIC2044-1BTS	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO16, TSSOP-16
MIC2044-1BTSTR	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO16, TSSOP-16
MIC2044-1YTS	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
MIC2044-1YTS-TR	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
MIC2044-2BTS	MICREL	获取价格	SINGLE CHANNEL HIGH CURRENT LOW VOLTAGE, PROTECTED POWER DISTRIBUTION SWITCH
MIC2044-2YTS	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
MIC2044-2YTSTR	MICREL	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, LEAD FREE, TSSOP-16
MIC2044-2YTS-TR	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16