CAT810 ONSEMI [ON Semiconductor], CAT810 Datasheet

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CAT810

Manufacturer Part Number
CAT810
Description
3-Pin Microprocessor Power Supply Supervisors
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet

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PIn COnfIGuRATIOn
3-Pin Microprocessor Power Supply Supervisors
FeATureS
APPLICATIOnS
© 200 SCILLC. All rights reserved.
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 SC-70
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 SC-70 packages.
THRESHOLD SuffIX SELECTOR
for Ordering Information details, see page 11 & 12.
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. AA
cc

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CAT810 Summary of contents

Page 1

... 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 1.0V ■ ...

Page 2

... CAT803, CAT809, CAT810 PIn DESCRIPTIOnS Pin number name CAT803 CAT809 CAT810    GND 2 2 — RESET Active LOW reset. RESET is asserted if V — — 2 RESET Active HIGH reset. RESET is asserted BLOCK DIAGRAMS V TOLERANCE CC V TOLERANCE CC TOLERANCE V CC Doc. No. MD-3004, Rev. AA ...

Page 3

... S Threshold T = -40ºC to +85º +25º Threshold T = -40ºC to +85º +25º Threshold T = -40ºC to +85º CAT803, CAT809, CAT810 = +25ºC and for the 2.5V for the Z version. CC Min Typ Max units .0 5.5 V .2 5 µA ...

Page 4

... CAT803, CAT809, CAT810 ELECTRICAL CHARACTERISTICS V = Full range -40ºC to +85ºC unless otherwise noted. Typical values L/M/J versions 3.3V for T/S versions Parameter Symbol Conditions Reset Threshold Tempco V to Reset Delay (Note 2) CC Reset Active Timeout Period RESET Output Voltage Low ...

Page 5

... V CC =2. 100 150 -50 1.0002 1 0.9998 0.9996 0.9994 0.9992 0.999 0.9988 100 150 5 CAT803, CAT809, CAT810 = +25ºC and for 2.5V for Z version. CC SUPPLY CURRENT VS. TEMPERATURE (NO LOAD, CAT8xxR/S/T/ =5. =3. 100 150 TEMPERATURE (˚C) NORMALIZED RESET THRESHOLD VS. TEMPERATURE 0 20 ...

Page 6

... CAT803, CAT809, CAT810 DETAILED DESCRIPTIOnS RESET TIMInG The reset signal is asserted LOW for the CAT803/ CAT809 and HIGH for the CAT80 when the power supply voltage falls below the threshold trip voltage and remains asserted for at least 40ms after the power supply voltage has risen above the threshold ...

Page 7

... Characteristics subject to change without notice CC Power Supply 10kΩ under 1.0V figure 4. RESET Valid with V CC BUF CAT809 µP RESET RESET INPUT GND GND Bi-directional I/O Pin 7 CAT803, CAT809, CAT810 V CC 10kΩ CAT810 RESET GND under 1.1V CC Buffered RESET CC (For example: 68HC11) Doc. No. MD-3004, Rev. AA ...

Page 8

... CAT803, CAT809, CAT810 CAT803 OPEn-DRAIn reSeT APPLICATIOn The CAT803 features an open-drain RESET output and therefore needs a pull-up resistor on the output for proper operation, as shown on Figure 6. An advantage of the open-drain output includes the ability to “wire AND” several outputs together to form an inexpensive logic circuit ...

Page 9

... Characteristics subject to change without notice PACKAGE OUTLINE DRAWING SYMBOL MIN A 0.89 A1 0.013 b 0.37 c 0.085 D 2. 2. θ 0º A θ CAT803, CAT809, CAT810 NOM MAX 1.12 0.10 0.50 0.18 3.04 2.64 1.40 0.95 BSC 1.90 BSC 0.400 REF 0.540 REF 8º END VIEW Doc. No. SOT233-007-01 07/20/07 Doc. No. MD-3004, Rev. AA ...

Page 10

... CAT803, CAT809, CAT810 SC-70 3-Lead (SD) SC-70 3-Lead (SB, SD TOP VIEW θ1 b θ1 SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-203. notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-203. Doc. No. MD-3004, Rev. AA PACKAGE OUTLINE DRAWING ...

Page 11

... Characteristics subject to change without notice (2) (3) (4) Suffix S TBI Trip Level Package Type L: 4.63V TBI: SOT-23 Green M: 4.38V SDI: SC70 Green J: 4.00V T: 3.08V S: 2.93V R: 2.63V Z: 2.32V (2)(3) RN__ NR__ NS__  CAT803, CAT809, CAT810 – Tape & Reel (1) 3: 3000/Reel Lead Finish G: NiPdAu Doc. No. MD-3004, Rev. AA ...

Page 12

... CAT803, CAT809, CAT810 ORDERInG PART nuMBER Order number Voltage CAT803LSDI-GT3 4.63V CAT803MSDI-GT3 4.38V CAT803JSDI-GT3 4.00V CAT803TSDI-GT3 3.08V CAT803SSDI-GT3 2.93V CAT803RSDI-GT3 2.63V CAT803ZSDI-GT3 2.32V CAT809LSDI-GT3 4.63V CAT809MSDI-GT3 4.38V CAT809JSDI-GT3 4.00V CAT809TSDI-GT3 3.08V CAT809SSDI-GT3 2.93V CAT809RSDI-GT3 2.63V CAT809ZSDI-GT3 2.32V CAT80LSDI-GT3 4.63V CAT80MSDI-GT3 4.38V CAT80JSDI-GT3 4 ...

Page 13

... Updated Example of Ordering Information Updated Ordering Part Number 05-Nov-08 Z Change logo and fine print to ON Semiconductor 8-Mar-0 AA Updated Example of Ordering Information Updated Ordering Part Number © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 3 Doc. No. MD-3004, Rev. AA ...

Page 14

ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for ...

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