mic94041yfl Micrel Semiconductor, mic94041yfl Datasheet

mic94041yfl

Manufacturer Part Number

mic94041yfl

Description

28m? Rdson 3a High Side Load Switch In 1.2mm X 1.2mm Mlf Package

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC94041YFL.pdf (13 pages)

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MIC94041YFL

Manufacturer:

Micrel Inc

Quantity:

1 816

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General Description

The MIC94040/1/2/3 is a family of high-side load switches

designed to operate from 1.7V to 5.5V input voltage. The load

switch pass element is an internal 28mΩ R

MOSFET which enables the device to support up to 3A of

continuous current. Additionally, the load switch supports 1.5V

logic level control and shutdown features in a tiny 1.2mm x

1.2mm 4 pin MLF

The MIC94040 and MIC94041 feature rapid turn on, while the

MIC94042 and MIC94043 provide a slew rate controlled soft-

start turn-on of 100µs. The soft-start feature is provided to

prevent an in-rush current event from pulling down the input

supply voltage.

The MIC94041 and MIC94043 feature an active load

discharge circuit which switches in a 200Ω load when the

switch is disabled to automatically discharge a capacitive load.

An active pull-down on the enable input keeps the

MIC94040/1/2/3 in a default OFF state until the enable pin is

pulled above 1.2V. Internal level shift circuitry allows low

voltage logic signals to switch higher supply voltages. The

enable voltage can be as high as 5.5V and is not limited by

the input voltage.

The MIC94040/1/2/3 operating voltage range makes them

ideal for Lithium ion and NiMH/NiCad/Alkaline battery

powered

applications. The devices provide low quiescent current and

low shutdown current to maximize battery life.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

________________________________________________________________________________________________________

Typical Application

MLF and MicroLeadFrame is a registered trademark of Amkor Technology, Inc.

May 2008

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

systems, as

package.

MIC94040 (ultra fast turn on)

MIC94042 (soft-start)

well as

non-battery powered

DSON

P-channel

408

Features

∑ 28mΩ R

∑ 3A continuous operating current

∑ 1.2mm x 1.2mm space saving 4-pin MLF

∑ 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 +125ºC

Applications

∑ Cellular phones

∑ Portable Navigation Devices (PND)

∑ Personal Media Players (PMP)

∑ Ultra Mobile PCs

∑ Portable instrumentation

∑ Other Portable applications

∑ PDAs

∑ Industrial and DataComm equipment

28mΩ R

) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

MIC94041 (ultra fast turn on with auto-dsicharge)

in 1.2mm x 1.2mm MLF

MIC94043 (soft-start with auto-discharge)

DSON

MIC94040/1/2/3

3A High Side Load Switch

package

M9999-053008-A

package

Related parts for mic94041yfl

mic94041yfl Summary of contents

Page 1

... Lithium ion and NiMH/NiCad/Alkaline battery powered systems, as well as applications. The devices provide low quiescent current and low shutdown current to maximize battery life. Datasheets and support documentation can be found on Micrel’s web site at: www.micrel.com. ________________________________________________________________________________________________________ Typical Application MIC94040 (ultra fast turn on) MIC94042 (soft-start) MLF and MicroLeadFrame is a registered trademark of Amkor Technology, Inc. Micrel Inc. • ...

Page 2

... Micrel, Inc. Ordering Information Part Number MIC94040YFL MIC94041YFL MIC94042YFL MIC94043YFL Notes: ® 1. MLF Pin 1 Identifier symbol is “”. ® 2. MLF is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration Pin Description Pin Number Pin Name Pin Function ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Input Voltage (V ) ...........................................................+6V IN Enable Voltage (V ) ......................................................+6V EN (3) Continuous Drain Current ( 25°C ................................................................. ± 85°C .................................................................±2A A (4) Pulsed Drain Current (I ...

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mic94041yfl Micrel Semiconductor, mic94041yfl Datasheet

mic94041yfl

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mic94041yfl Summary of contents

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