MIC94040 MICREL | Alldatasheet

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Technical content

MIC94040/1/2/328mΩ RDSON 3A High Side Load Switchin 1.2mm x 1.2mm MLF® package MLF and MicroLeadFrame is a registered trademark of Amkor Technology, Inc.Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.comMay 2008 M9999-053008-A Features∑ 28mΩ RDSON∑ 3A continuous operating current∑ 1.2mm x 1.2mm space saving 4-pin MLF® package∑ 1.7V to 5.5V input voltage range∑ Internal level shift for CMOS/TTL control logic∑ Ultra low quiescent current∑ Micro-power shutdown current∑ Soft-Start: MIC94042, MIC94043∑ Load discharge circuit: MIC94041, MIC94043∑ Ultra fast turn off time∑ Junction operating temperature from -40ºC to +125ºCApplications∑ Cellular phones∑ Portable Navigation Devices (PND)∑ Personal Media Players (PMP)∑ Ultra Mobile PCs∑ Portable instrumentation∑ Other Portable applications∑ PDAs∑ Industrial and DataComm equipment MIC94040 (ultra fast turn on)MIC94042 (soft-start) MIC94041 (ultra fast turn on with auto-dsicharge)MIC94043 (soft-start with auto-discharge)

Micrel, Inc. MIC94040/1/2/3 May 2008 2 M9999-053008-A Ordering InformationPart NumberPart Marking(1) FastTurn OnSoft-StartLoadDischargePackage(2) MIC94040YFL—P4 • 4-Pin (1.2mm x 1.2mm) MLF® MIC94041YFL—P1 • •4-Pin (1.2mm x 1.2mm) MLF® MIC94042YFL—P2 • 4-Pin (1.2mm x 1.2mm) MLF® MIC94043YFL—P3 • •4-Pin (1.2mm x 1.2mm) MLF® Pin Configuration Top View4-Pin (1.2mm x1.2mm) MLF®

Micrel, Inc. MIC94040/1/2/3 May 2008 3 M9999-053008-A RDS(ON)P-Channel Drain to Source ONResistance

Micrel, Inc. MIC94040/1/2/3 May 2008 4 M9999-053008-A

Micrel, Inc. MIC94040/1/2/3 May 2008 5 M9999-053008-A Typical CharacteristicsMIC94040/1/2/3 MIC94040/1/2/3 MIC94040/1/2/3 MIC94040/1 MIC94042/3 MIC94040/41 MIC94042/3 MIC94042/3 MIC94040/1

Micrel, Inc. MIC94040/1/2/3 May 2008 6 M9999-053008-A Typical CharacteristicsMIC94042/3 MIC94040/1 MIC94042/3 MIC94040/1 MIC94042/3 MIC94040/1/2/3 MIC94042/3

Micrel, Inc. MIC94040/1/2/3 May 2008 7 M9999-053008-A Functional CharacteristicsMIC94040

Micrel, Inc. MIC94040/1/2/3 May 2008 8 M9999-053008-A MIC94041

Micrel, Inc. MIC94040/1/2/3 May 2008 9 M9999-053008-A MIC94042

Micrel, Inc. MIC94040/1/2/3 May 2008 10 M9999-053008-A MIC94043

Micrel, Inc. MIC94040/1/2/3 May 2008 12 M9999-053008-A

Package Information

4-Pin (1.2mm x 1.2mm) MLF®

Micrel, Inc. MIC94040/1/2/3 May 2008 13 M9999-053008-A Suggested Landing Pattern for 4 Pin (1.2mm x 1.2mm) MLF®