mic94082yft Micrel Semiconductor, mic94082yft Datasheet

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mic94082yft

Manufacturer Part Number
mic94082yft
Description
67m? Rdson 2a High Side Load Switch In 0.85mm X 0.85mm Thin Mlf Package
Manufacturer
Micrel Semiconductor
Datasheet

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General Description
The MIC94080/1/2/3/4/5 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 67mΩ R
MOSFET which enables the device to support up to 2A of
continuous current. Additionally, the load switch supports 1.5V
logic level control and shutdown features in a tiny 0.85mm x
0.85mm 4-pin Thin MLF
The MIC94080 and MIC94081 feature rapid turn on. The
MIC94082 and MIC94083 provide a slew rate controlled soft-
start turn-on of 850µs, while the MIC94084 and MIC94085
provide a slew rate controlled soft-start turn-on of 120µs. The
soft-start feature is provided to prevent an in-rush current
event from pulling down the input supply voltage.
The MIC94081, MIC94083, and MIC94085 feature an active
load discharge circuit which switches in a 250Ω load when the
switch is disabled to automatically discharge a capacitive load.
An active pull-down on the enable input keeps the
MIC94080/1/2/3/4/5 in a default OFF state until the enable pin
is pulled above 1.25V. 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 MIC94080/1/2/3/4/5 operating voltage range makes them
ideal for Lithium ion and NiMH/NiCad/Alkaline battery
powered systems, as well as non-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.
December 2008
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
V
EN
IN
MIC94080 (ultra fast turn on)
MIC94082 (850µs soft-start)
MIC94084 (120µs soft-start)
®
package.
Level Shift
and Slew
Control
Rate
GND
DSON
V
OUT
Load
P-Channel
408
Features
• 0.85mm x 0.85mm space saving 4-pin Thin MLF
• 1.7V to 5.5V input voltage range
• 2A continuous operating current
• 67mΩ R
• Internal level shift for CMOS/TTL control logic
• Ultra low quiescent current
• Micro-power shutdown current
• Soft-Start: MIC94082/3 (850µs), MIC94084/5 (120µs)
• Load discharge circuit: MIC94081, MIC94083, MIC94085
• 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
• GPS Modules
• Industrial and DataComm equipment
in 0.85mm x 0.85mm Thin MLF
67mΩ R
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
MIC94081 (ultra fast turn on with auto-discharge)
MIC94083 (850µs soft-start with auto-discharge)
MIC94085 (120µs soft-start with auto-discharge)
MIC94080/1/2/3/4/5
V
EN
DSON
IN
DSON
2A High Side Load Switch
Level Shift
Slew Rate
Discharge
Control
Load
&
GND
M9999-120208-B
®
V
OUT
Load
Package
®
package

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mic94082yft Summary of contents

Page 1

... The MIC94080/1/2/3/4/5 operating voltage range makes them ideal for Lithium ion and NiMH/NiCad/Alkaline battery powered systems, as well as non-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 V ...

Page 2

... Micrel, Inc. Ordering Information Part Number Part Marking MIC94080YFT MIC94081YFT MIC94082YFT MIC94083YFT MIC94084YFT MIC94085YFT Notes: ® 1. Thin MLF Pin 1 Identifier symbol is “▲”. ® 2. Thin MLF is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. Pin Configuration Pin Description ...

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 ........................................................... ±1.5A A (4) Pulsed ...

Page 4

Micrel, Inc. Electrical Characteristics (Dynamic 25°C, bold values indicate –40°C< Symbol Parameter t Turn-On Delay Time ON_DLY t Turn-On Rise Time ON_RISE t Turn-Off Delay Time OFF_DLY t Turn-Off Fall Time OFF_FALL December 2008 < +85°C, ...

Page 5

Micrel, Inc. Typical Characteristics MIC94080/1/2/3/4/5 MIC94080/1 MIC94082/3/4/5 December 2008 MIC94080/1/2/3/4/5 MIC94082/83/84/85 MIC94081/2/3/4/5 5 MIC94080/1/2/3/4/5 MIC94080/1/2/3/4/5 MIC94080/81 MIC94080/1 M9999-120208-B ...

Page 6

Micrel, Inc. Typical Characteristics MIC94082/3 MIC94084/5 MIC94080/1/2/3/4/5 December 2008 MIC94080/1 MIC94084/5 6 MIC94080/1/2/3/4/5 MIC94082/3 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 7

Micrel, Inc. Functional Characteristics December 2008 MIC94080 7 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 8

Micrel, Inc. December 2008 MIC94081 8 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 9

Micrel, Inc. December 2008 MIC94082 9 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 10

Micrel, Inc. December 2008 MIC94083 10 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 11

Micrel, Inc. December 2008 MIC94084 11 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 12

Micrel, Inc. December 2008 MIC94085 12 MIC94080/1/2/3/4/5 M9999-120208-B ...

Page 13

Micrel, Inc. Application Information Power Switch SOA The safe operating area (SOA) curve represents the boundary of maximum safe operating current and maximum safe operating junction temperature. Figure 1. SOA Graph The curves above show the SOA for various V ...

Page 14

Micrel, Inc DISS SW SWmax The worst case switch resistance ( not available in the datasheet, so the next IN lower value used 2.5v ...

Page 15

Micrel, Inc. Package Information December 2008 4-Pin (0.85mm x 0.85mm) Thin MLF 15 MIC94080/1/2/3/4/5 ® (FT) M9999-120208-B ...

Page 16

Micrel, Inc. Suggested Landing Pattern for 4-Pin (0.85mm x 0.85mm) Thin MLF MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data ...

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