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MIC2039AYM6

Description
High-Accuracy, High-Side, Adjustable Current Limit Power Switch
CategoryPower/power management    The power supply circuit   
File Size651KB,21 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric Compare View All

MIC2039AYM6 Overview

High-Accuracy, High-Side, Adjustable Current Limit Power Switch

MIC2039AYM6 Parametric

Parameter NameAttribute value
MakerMicrochip
package instructionSOT-23, 6 PIN
Reach Compliance Codecompli
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G6
length2.9 mm
Number of channels1
Number of functions1
Number of terminals6
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Maximum seat height1.45 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
width1.6 mm
MIC2039
High-Accuracy, High-Side, Adjustable
Current Limit Power Switch
General Description
The MIC2039 is a high-side MOSFET power distribution
switch providing increased system reliability by using 5%
current-limit accuracy.
The MIC2039 has an operating input voltage range from
2.5V to 5.5V, is internally current limited, and has thermal
shutdown to protect the device and system. The MIC2039
is offered with either active-high or active-low logic level
enable input controls. It has an open drain fault status
output flag with a built-in 32ms delay that asserts low
during overcurrent or thermal-shutdown conditions.
The MIC2039 switches feature an adjustable output
current limit that is resistor programmable from 0.2A to
2.5A. The MIC2039 switch also offers a unique, Kickstart
feature that allows momentary high-current surges up to
the secondary current limit (I
LIMIT_2nd
) during startup or
while operating in steady state. This is useful for charging
loads with high inrush currents, such as capacitors. After
an overcurrent condition is established, these switches
enter into a constant current-limit mode unless the die
temperature exceeds the thermal-shutdown specification.
The MIC2039 is available in 6-pin SOT-23 and 6-pin 2mm
× 2mm thin DFN packages. The MIC2039 has an
operating junction temperature range of
−40°C
to +125°C.
Data sheets and support documentation are available on
Micrel’s web site at:
www.micrel.com.
Features
±5%
current limit accuracy
Input supply range from 2.5V to 5.5V
Low quiescent current: 100µA typical (switch ON)
75mΩ typical R
DS(ON)
at 5.0V
0.2A to 2.5A adjustable output current
Kickstart
momentary secondary current-limit threshold
(120ms period)
Soft-start functionality
Undervoltage lockout (UVLO)
Fast 10µs short-circuit response time (non-Kickstart
options)
Fault status output flag
Logic-controlled enable (active-high, active-low)
Thermal shutdown
Pin compatible with the MIC2009/MIC2019
6-pin 2mm × 2mm thin DFN and 6-pin SOT-23
packages
Junction temperature range from
−40°C
to +125°C
Applications
USB peripherals and USB 2.0/3.0 compatible
DTV/STB
Notebooks and consumer electronics
General-purpose power distribution
____________________________________________________________________________________________________________
Typical Application
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
June 7, 2013
Revision 1.1

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Maker Microchip - - Microchip Microchip Microchip Microchip Microchip Microchip
package instruction SOT-23, 6 PIN - - SOT-23, 6 PIN DFN-6 SOT-23, 6 PIN DFN-6 SOT-23, 6 PIN DFN-6
Reach Compliance Code compli - - compli compli compli compli compli compli
ECCN code EAR99 - - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Adjustable threshold YES - - YES YES YES YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT - - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G6 - - R-PDSO-G6 S-PDSO-N6 R-PDSO-G6 S-PDSO-N6 R-PDSO-G6 S-PDSO-N6
length 2.9 mm - - 2.9 mm 2 mm 2.9 mm 2 mm 2.9 mm 2 mm
Number of channels 1 - - 1 1 1 1 1 1
Number of functions 1 - - 1 1 1 1 1 1
Number of terminals 6 - - 6 6 6 6 6 6
Maximum operating temperature 125 °C - - 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C - - -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP - - LSSOP HVSON LSSOP HVSON LSSOP HVSON
Package shape RECTANGULAR - - RECTANGULAR SQUARE RECTANGULAR SQUARE RECTANGULAR SQUARE
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH - - SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Maximum seat height 1.45 mm - - 1.45 mm 0.6 mm 1.45 mm 0.6 mm 1.45 mm 0.6 mm
Maximum supply voltage (Vsup) 5.5 V - - 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 2.5 V - - 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
Nominal supply voltage (Vsup) 5 V - - 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES - - YES YES YES YES YES YES
Temperature level AUTOMOTIVE - - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal form GULL WING - - GULL WING NO LEAD GULL WING NO LEAD GULL WING NO LEAD
Terminal pitch 0.95 mm - - 0.95 mm 0.65 mm 0.95 mm 0.65 mm 0.95 mm 0.65 mm
Terminal location DUAL - - DUAL DUAL DUAL DUAL DUAL DUAL
width 1.6 mm - - 1.6 mm 2 mm 1.6 mm 2 mm 1.6 mm 2 mm
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