MIC94062 Micrel Semiconductor, MIC94062 Datasheet

MIC94062

Manufacturer Part Number

MIC94062

Description

Mic94062/mic94063 Soft Start High-side Power Switches

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC94062.pdf (11 pages)

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General Description

The MIC94060-63 are high-side load switches designed

for operation between 1.7V to 5.5V. The devices contain

a low on-resistance P-channel MOSFET that supports

over 2A of continuous current. The MIC94061and

MIC94063 features an active load discharge circuit

which insures capacitive loads retain no charge when

the main switch is in an OFF state.

MIC94060-61 feature rapid turn on while MIC94062-63

provide a slew rate controlled Soft-Start turn-on of 800µs

(typical) to prevent in-rush current from glitching supply

rails.

An active pull-down on the enable input keeps

MIC94060-63 in a default OFF state until the EN pin is

pulled to a high level. Built-in level shift circuitry allows

low voltage logic signals to switch higher supply

voltages, or vice versa; high level logic signals can

control low level voltages.

MIC94060-63’s operating voltage range makes them

suitable for 1-cell Lithium ion and 2- to 3-cell

NiMH/NiCad/Alkaline powered systems, as well as all 5V

applications. Their low operating current of 2µA and low

shutdown current of <1µA maximize battery life.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

________________________________________________________________________________________________________

Typical Application

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

February 2007

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

Load Switch Application

MIC94060, 62

408

Features

• 1.7V to 5.5V input voltage range

• 2A continuous operating current

• 77mΩ (typ) R

• Built-in level shift for control logic; can be operated by

• Low 2µA quiescent current

• Soft-Start: MIC94062-63

• Micro-power shutdown <1µA

• Load discharge circuit: MIC94061, MIC94063

• Space saving 1.2x1.6 mm Thin MLF

Applications

• Load switch in portable applications:

• Battery switch-over circuits

• Level translator

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

1.5V logic.

Load Switch with Capacitive Load Discharge

Cellular phones

PDAs

MP3 players

Digital Cameras

Portable instrumentation

MIC94060/61/62/63

High Side Power Switches

MIC94061, 63

package

M9999-022607

Related parts for MIC94062

MIC94062 Summary of contents

Page 1

... MIC94063 features an active load discharge circuit which insures capacitive loads retain no charge when the main switch OFF state. MIC94060-61 feature rapid turn on while MIC94062-63 provide a slew rate controlled Soft-Start turn-on of 800µs (typical) to prevent in-rush current from glitching supply rails. ...

Page 2

... Ordering Information Part Number Standard Pb-Free MIC94060BC6 MIC94060YC6 MIC94061BC6 MIC94061YC6 MIC94062BC6 MIC94062YC6 MIC94063BC6 MIC94063YC6 — MIC94060YMT — MIC94061YMT — MIC94062YMT — MIC94063YMT Notes 1. Underbar symbol on SC-70 Pb-free packages may not be to scale. Pin Configuration SC-70-6 (C6) Pin Description Pin Number Pin Name SC-70 MLF OUT ...

Page 3

... ID = –100mA +3.6V 1mA TEST MIC94061, 63 Condition V = +3.6V –100mA MIC94060 +3.6V –100mA MIC94062 +3.6V –100mA MIC94060 +3.6V –100mA MIC94062 MIC94060/61/62/63 (2) )................................. +1.7 to +5.5V IN ).............. –40°C to +125°C A )......................................... 240°C .................................. 172°C/W JA (3) ) .............................. 134°C/W JC Min Typ Max 0.5 1.2 0.4 1.2 2 ...

Page 4

... Devices are ESD sensitive. Handling precautions recommended. HBM (Human body model), 1.5k in series with 100pF. February 2007 V = +3.6V –100mA 1. MIC94060 +3.6V –100mA 1. MIC94062 +3.6V –100mA 1. MIC94060 +3.6V –100mA 1. MIC94062 not recommended. OUT IN 4 MIC94060/61/62/63 100 200 ns 60 200 ns 60 100 ns 60 100 ns M9999-022607 ...

Page 5

Micrel, Inc. Typical Characteristics February 2007 5 MIC94060/61/62/63 M9999-022607 ...

Page 6

Micrel, Inc. Functional Characteristics MIC94060 February 2007 6 MIC94060/61/62/63 M9999-022607 ...

Page 7

Micrel, Inc. MIC94061 February 2007 7 MIC94060/61/62/63 M9999-022607 ...

Page 8

... Micrel, Inc. MIC94062 February 2007 8 MIC94060/61/62/63 M9999-022607 ...

Page 9

Micrel, Inc. MIC94063 February 2007 9 MIC94060/61/62/63 M9999-022607 ...

Page 10

Micrel, Inc. Package Information February 2007 6-Pin SC-70 (C6) ® 4-Pin Thin MLF (MT) 10 MIC94060/61/62/63 M9999-022607 ...

Page 11

Micrel, Inc. Recommended Land Pattern for MLF 1.2x1.6 4 Lead Optional for maximum thermal performance. Heatsink should be connected to GND plane of PCB for maximum thermal performance. Disclaimer: This is only a recommendation based on information available to Micrel ...

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