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CAT812TTBI-T3 Datasheet(PDF) 1 Page - ON Semiconductor

No. de pieza CAT812TTBI-T3
Descripción Electrónicos  4-Pin Microprocessor Power Supply Supervisors with Manual Reset
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Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT812TTBI-T3 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2012
October, 2012 − Rev. 2
1
Publication Order Number:
CAT811/D
CAT811, CAT812
4-Pin Microprocessor
Power Supply Supervisors
with Manual Reset
Description
The CAT811 and CAT812 are microprocessor supervisory circuits
that monitor power supplies. The CAT811 and CAT812 are direct
replacements for the MAX811 and MAX812 in applications operating
over the industrial temperature range; both have a manual reset input.
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 CAT811 features a RESET push−pull output (active LOW) and
the CAT812 features a RESET push−pull 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 CAT811/812 are fully specified over the industrial temperature
range (−40
°C to 85°C) and are available in a compact 4−pin SOT−143
package.
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
Manual Reset Input
Offered in Two Output Configurations: CAT811: Active LOW Reset
CAT812: Active HIGH Reset
Direct Replacements for the MAX811 and MAX812 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
Available in SOT−143 Packages with Sn or NiPdAu Green Lead
Finishes
Industrial Temperature Range: −40°C to +85°C
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Computers, Servers, Laptops and Cable Modems
Wireless Communications
Embedded Control Systems
White Goods, Power Meters
Intelligent Instruments
PDAs and Handheld Equipment
http://onsemi.com
PIN CONFIGURATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
SOT−143
BI SUFFIX
CASE 527AF
(Top View)
RESET
GND
VCC
MR
1
2
4
3
1
MARKING DIAGRAM
XXX
= Specific Device Code
M
= Month Code
G
= Pb−Free Package
(*Note: Microdot may be in either location)
XXXMG
G


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