cat803mtbi-g Catalyst Semiconductor, cat803mtbi-g Datasheet

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cat803mtbi-g

Manufacturer Part Number
cat803mtbi-g
Description
3-pin Microprocessor Power Supply Supervisors
Manufacturer
Catalyst Semiconductor
Datasheet

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PIn COnfIGuRATIOn
3-Pin Microprocessor Power Supply
Supervisors
FeATureS
APPLICATIOnS
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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
6µA power supply current
Power supply transient immunity
Industrial temperature range: -40ºC to +85ºC
Available in RoHS-compliant SOT-23 and SC70
packages
Computers
Servers
Laptops
Cable modems
Wireless communications
embedded control systems
White goods
Power meters
Intelligent instruments
PDAs and handheld equipment
(RESET)
RESET
GND
1
2
3-Lead SOT23
3-Lead SC70
(CAT803)
(CAT810)
CAT809
CC
= 1.0V
3
V CC

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
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
levels as low as .0V.
The CAT803, CAT809, and CAT80 are available in both
the compact 3-pin SOT-23 and SC70 packages.
THRESHOLD SuffIX SELECTOR
for Ordering Information details, see page 11.
nominal Threshold
Voltage
CAT803, CAT809, CAT810
4.63V
4.38V
4.00V
3.08V
2.93V
2.63V
2.32V
2(TM)
used by Catalyst Semiconductor,
Threshold Suffix
Designation
M
R
T
S
Z
L
J
Doc. No. MD-3004, Rev. Y
cc

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cat803mtbi-g Summary of contents

Page 1

... The CAT803, CAT809, and CAT80 are available in both the compact 3-pin SOT-23 and SC70 packages. for Ordering Information details, see page 11. THRESHOLD SuffIX SELECTOR nominal Threshold Voltage 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V  2(TM) used by Catalyst Semiconductor, Threshold Suffix Designation Doc. No. MD-3004, Rev ...

Page 2

... DIGITAL BIAS DELAY – VOLTAGE REFERENCE CAT810 GND 2 falls below the reset thresh- CC rises above the reset CC falls below the reset thresh- CC rises above the reset RESET V CC RESET V CC RESET © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 3

... A Supply Current -40ºC to +85ºC A Reset V TH Threshold Voltage © Catalyst Semiconductor, Inc. Characteristics subject to change without notice (1) -0.3V to +6.0V 20mA 20mA 00V/µs 75 mW 320 mW -40ºC to +85ºC -65ºC to +05ºC 300º for the R version and V ...

Page 4

... V V min 50µA SOURCE 4 = +25ºC and for 2.5V for Z version. CC (1) Min Typ Max units 30 ppm/ºC 20 40 240 460 ms 0.4 0.3 0 .5 CC 0.3 0.4 0 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice µ ...

Page 5

... TEMPERATURE (˚C) POWER-DOWN RESET DELAY VS. TEMPERATURE (CAT8xxR/S/T/ - TEMPERATURE (˚C) © Catalyst Semiconductor, Inc. Characteristics subject to change without notice = 3V for R version and =2. 100 150 -50 1.0002 1 0.9998 0.9996 0.9994 0.9992 ...

Page 6

... V pulse duration decreases. In this test, the V from an initial voltage of 0.5V above the threshold and drops below it by the amplitude of the overdrive voltage ( CAT803, CAT809 CAT810 - V ), the maximum TH CC starts CC © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 7

... CAT809/80 reset output and the µP/µC bi-directional reset pin. Power Supply CAT809 GND figure 5. Bi-directional Reset Pin Interfacing © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CC Power Supply 10kΩ under 1.0V figure 4. RESET Valid with V ...

Page 8

... Power Supply figure 6. Typical CAT803 Open-Drain Circuit Configuration Doc. No. MD-3004, Rev CAT803 RESET RESET INPUT GND µP GND © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 9

... Tape and Reel information, download the PDf file from: www.catsemi.com/documents/tapeandreel.pdf Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC TO-236. notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard TO-236. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice PACKAGE OUTLINE DRAWING SYMBOL MIN A 0.89 A1 ...

Page 10

... PACKAGE OUTLINE DRAWING SYMBOL MIN A 0.80 A1 0.00 A2 0.80 b 0.15 c 0. 1. θ 0° θ1 4° θ NOM MAX 1.10 0.10 0.90 1.00 0.30 0.22 2.00 2.20 2.10 2.40 1.25 1.35 0.65 BSC 0.36 0.46 0.42 REF 0.15 BSC 8° 10° END VIEW Doc. No. SC703-046-01 01/31/08 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 11

... The standard lead finish is NiPdAu. Contact factory for other lead finishes. (3) The device used in the example above is a CAT809STBI-GT0 (Push-Pull / Active Low Output, trip level of 2.85V to 3.00V NiPdAu, Tape and Reel). (4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office. TOP MARKInG SOT-23 ...

Page 12

... CAT803LSDI-G () CAT803MSDI CAT803MSDI-G () CAT803JSDI CAT803JSDI-G () CAT803TSDI CAT803TSDI-G () CAT803SSDI CAT803SSDI-G () CAT803RSDI CAT803RSDI-G () CAT803ZSDI CAT803ZSDI-G CAT803LTBI () CAT803LTBI-G CAT803MTBI () CAT803MTBI-G () CAT803JTBI CAT803JTBI-G () CAT803TTBI CAT803TTBI-G () CAT803STBI CAT803STBI-G () CAT803RTBI CAT803RTBI-G () CAT803ZTBI CAT803ZTBI-G note: () Contact Factory for availability. Doc. No. MD-3004, Rev. Y CAT809LSDI () CAT809LSDI-G () CAT809MSDI CAT809MSDI-G () ...

Page 13

... Updated Ordering Information 03/20/2007 X Updated Detailed Descriptions 0/3/2008 Y Added MD- to Document Number Added Block Diagrams Updated Package Outline Drawings Updated Example of Ordering Information Updated Ordering Part Number © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT803, CAT809, CAT810 3 Doc. No. MD-3004, Rev. Y ...

Page 14

... Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. ...

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