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CAT803 Datasheet(PDF) 1 Page - ON Semiconductor

Part # CAT803
Description  3-Pin Microprocessor Power Supply Supervisors
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT803 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2012
October, 2012 − Rev. 33
1
Publication Order Number:
CAT803/D
CAT803, CAT809, CAT810
3-Pin Microprocessor
Power Supply Supervisors
Description
The CAT803, CAT809, and CAT810 are supervisory circuits that
monitor power supplies in digital systems. The CAT803, CAT809, and
CAT810 are direct replacements for the MAX803, MAX809 and
MAX810 in applications operating over the industrial temperature range.
These devices generate a reset signal, which is asserted while the
power supply voltage is below a preset threshold level and for at least
140 ms after the power supply level has risen above that level. The
underlying floating gate technology, Analog EEPROM used by
ON Semiconductor, makes it possible to offer any custom reset
threshold value. Seven industry standard threshold levels are offered
to support +5.0 V, +3.3 V, +3.0 V and +2.5 V systems.
The CAT803 has an open−drain RESET output (active LOW). The
CAT803 requires a pull−up resistor on the reset output.
The CAT809 features a push−pull RESET output (active LOW) and
the CAT810 features a push−pull RESET output (active HIGH).
Fast transients on the power supply are ignored and the output is
guaranteed to be in the correct state at VCC levels as low as 1.0 V.
The CAT803, CAT809, and CAT810 are available in both the
compact 3−pin SOT−23 and SC−70 packages.
Features
Precision Monitoring of
+5.0 V (−5%, −10%, −20%),
+3.3 V (−5%, −10%),
+3.0 V (−10%) and
+2.5 V (−5%) Power Supplies
Offered in Three Output Configurations:
− CAT803: Open−Drain Active LOW Reset
− CAT809: Push−Pull Active LOW Reset
− CAT810: Push−Pull Active HIGH Reset
Direct Replacements for the MAX803, MAX809 and MAX810 in
Applications Operating over the Industrial Temperature Range
Reset Valid down to VCC = 1.0 V
6 mA Power Supply Current
Power Supply Transient Immunity
Industrial Temperature Range: −40°C to +85°C
Available in SOT−23 and SC−70 Packages
These Devices are Pb−Free and are RoHS Compliant
Applications
Computers, Servers, Laptops, Cable Modems
Wireless Communications
Embedded Control Systems
White Goods, Power Meters
Intelligent Instruments
PDAs and Handheld Equipment
http://onsemi.com
PIN CONFIGURATION
VCC
RESET
(RESET)
GND
1
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
ORDERING INFORMATION
(Top View)
SOT−23
TB SUFFIX
CASE 527AG
SC−70
SD SUFFIX
CASE 419AB
2
3
CAT803
CAT809
(CAT810)
3−Lead SOT23
3−Lead SC70
XXXMG
G
XXX
= Specific Device Code
M
= Month Code
G
= Pb−Free Package
XXXMG
G
MARKING DIAGRAMS
(*Note: Microdot may be in either location)
SOT−23
SC−70


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