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CAT803LTBI-T3

Description
Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, PDSO3, GREEN, TO-236, SOT-23, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size806KB,14 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Environmental Compliance
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CAT803LTBI-T3 Overview

Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, PDSO3, GREEN, TO-236, SOT-23, 3 PIN

CAT803LTBI-T3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeSOT-23
package instructionTSSOP, TO-236
Contacts3
Reach Compliance Codeunknow
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 4.63V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
JESD-609 codee3
length2.92 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTO-236
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum seat height1.12 mm
Maximum supply current (Isup)0.02 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.2 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Threshold voltage nominal+4.63V
Maximum time at peak reflow temperature40
width1.3 mm
Base Number Matches1
CAT803, CAT809, CAT810
3-Pin Microprocessor Power Supply
Supervisors
FeATureS
DESCRIPTIOn
The CAT803, CAT809, and CAT80 are supervisory
circuits that monitor power supplies in digital systems. The
CAT803, CAT809, and CAT80 are direct replacements
for the MAX803, MAX809 and MAX80 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 40 ms after the power supply level
has risen above that level. The underlying floating gate
technology, AE
2(TM)
used by Catalyst Semiconductor,
makes it possible to offer any custom reset threshold
value. Seven industry standard threshold levels are
offered to support +5.0V, +3.3V, +3.0V and +2.5V
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 CAT80 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 V
cc
levels as low as .0V.
The CAT803, CAT809, and CAT80 are available in both
the compact 3-pin SOT-23 and SC70 packages.
Precision monitoring of
+5.0V (-5%, -10%, -20%),
+3.3V (-5%, -10%),
+3.0V (-10%) and
+2.5V (-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 V
CC
= 1.0V
6µA power supply current
Power supply transient immunity
Industrial temperature range: -40ºC to +85ºC
Available in RoHS-compliant SOT-23 and SC70
packages
APPLICATIOnS
Computers
Servers
Laptops
Cable modems
Wireless communications
embedded control systems
White goods
Power meters
Intelligent instruments
PDAs and handheld
equipment
for Ordering Information details, see page 11.
THRESHOLD SuffIX SELECTOR
nominal Threshold
Voltage
4.63V
4.38V
4.00V
3.08V
VCC
PIn COnfIGuRATIOn
3-Lead SOT23
3-Lead SC70
GND
1
Threshold Suffix
Designation
L
M
J
T
S
R
Z
RESET 2
(RESET)
(CAT803)
CAT809
(CAT810)
3
2.93V
2.63V
2.32V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice

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