參數(shù)資料
型號(hào)： CAT803ZSDI-T10
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
封裝： GREEN, MO-203, SC-70, 3 PIN
文件頁(yè)數(shù)： 1/14頁(yè)
文件大小： 533K
代理商： CAT803ZSDI-T10
2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
Doc. No. MD-3004, Rev. Z
CAT803, CAT809, CAT810
3-Pin Microprocessor Power Supply Supervisors
FeATureS
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 VCC = 1.0V
6A power supply current
Power supply transient immunity
Industrial temperature range: -40C to +85C
Available in RoHS-compliant SOT-23 and SC-70
packages
APPLICATIOnS
Computers
Servers
Laptops
Cable modems
Wireless communications
embedded control systems
White goods
Power meters
Intelligent instruments
PDAs and handheld equipment
■
DESCRIPTIOn
The CAT803, CAT809, and CAT80 are supervisory
circuitsthatmonitorpowersuppliesindigitalsystems.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
whilethepowersupplyvoltageisbelowapresetthreshold
level and for at least 40 ms after the power supply level
has risen above that level. The underlying floating gate
technology, AE2(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 Vcc
levels as low as .0V.
The CAT803, CAT809, and CAT80 are available in both
the compact 3-pin SOT-23 and SC-70 packages.
PIn COnfIGuRATIOn
(CAT803)
CAT809
(CAT810)
GND
RESET
(RESET)
VCC
3-Lead SOT23
3-Lead SC70
1
2
3
THRESHOLD SuffIX SELECTOR
nominal Threshold
Voltage
Threshold Suffix
Designation
4.63V
L
4.38V
M
4.00V
J
3.08V
T
2.93V
S
2.63V
R
2.32V
Z
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