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MIC803-40D4VM3

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
CategoryPower/power management    The power supply circuit   
File Size251KB,10 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

MIC803-40D4VM3 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3

MIC803-40D4VM3 Parametric

Parameter NameAttribute value
MakerMicrochip
package instruction2.30 X 2.90 MM, SOT-23, 3 PIN
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 4V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
length2.92 mm
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.2 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
width1.3 mm
MIC803
3-Pin Microprocessor Supervisor Circuit
with Open-Drain Reset Output
General Description
The MIC803 is a single-voltage supervisor with open-drain
reset output that provides accurate power supply
monitoring and reset generation in microprocessor based
systems. The function of the device is to assert a reset
signal if the power supply voltage drops below the Reset
Threshold voltage, and retain this reset for the Reset
Timeout Period once the power supply increases above
the Reset Threshold voltage.
The MIC803 consumes only 4.5μA of supply current and
offers three reset delay periods of 20ms, 140ms and
1120ms (min). It features factory programmed reset
threshold levels from 2.63V to 4.63V to accommodate
3.0V, 3.3V, and 5.0V power supplies. It is available in the
compact 3-pin SC-70 and SOT-23 packages.
Features
4.5μA supply current (typical) at 3.6V
Open-Drain /RESET output
/RESET remains valid with V
CC
as low as 1V
20ms, 140ms, or 1120ms (min) reset timeout Options
2.63V to 4.63V Preset Voltage Threshold Options
2.5% Voltage Threshold Accuracy over temperature
3-pin SC70-3 package (2.0mm x 2.1mm)
3-pin SOT-23 package (2.3mm x 2.9mm)
-40˚C to +125˚C Junction Temperature Range
Applications
Critical microcomputer power monitoring
Portable equipment
Solid state drives
Printers/computers
Embedded controllers
____________________________________________________________________________________________________________
Typical Application
V
CC
V
CC
V
CC
100k
MIC803
RESET
GND
RESET
µP
GND
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
December 2010
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