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MAX6700 Datasheet(Hoja de datos) 1 Page - Maxim Integrated Products

No. de Pieza. MAX6700
Descripción  Low-Voltage, High-Accuracy, Triple/Quad Voltage μP Supervisory Circuits in SOT Package
Descarga  9 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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General Description
The MAX6700/MAX6710 precision triple/quad voltage
microprocessor (µP) supervisory circuits monitor up to
four system-supply voltages and assert a single reset if
any supply voltage drops below its preset threshold.
These devices significantly reduce system size and com-
ponent count while improving reliability compared to sep-
arate ICs or discrete components.
A variety of factory-trimmed threshold voltages are avail-
able to accommodate different supply voltages and toler-
ances with minimal external component requirements.
The MAX6710 includes internally fixed options for moni-
toring 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V supplies with -5%
or -10% tolerances. The MAX6710 is also available with
one to three adjustable threshold options to monitor volt-
ages down to 0.62V. The MAX6700 monitors three volt-
ages with adjustable thresholds down to 0.62V.
A single active-low output asserts when any monitored
input falls below its associated threshold. The open-drain
output has a weak internal pullup (10µA) to IN2. For the
MAX6710, reset remains low for the reset timeout period
(140ms min) after all voltages rise above the selected
threshold. The MAX6700 acts as a voltage detector with a
propagation delay of 5µs after all monitored voltages
exceed their thresholds. The output remains valid as long
as either IN2 or IN2 input voltage remains above 1V
(MAX6710) or VCC is above 2V (MAX6700/MAX6710Q).
The MAX6700/MAX6710 are available in a small 6-pin
SOT23 package and operate over the extended (-40°C to
+85°C) temperature range.
________________________Applications
Telecommunications
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Industrial Equipment
Set-Top Boxes
Servers/Workstations
Features
o Monitor Up to Four Power-Supply Voltages
o Precision Factory-Set Reset Threshold Options
for 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V Supplies
o Adjustable Voltage Threshold Monitors Down to
0.62V with 1.5% Accuracy
o Low 35µA Supply Current
o Open-Drain RESET Output with 10µA Internal
Pullup
o 5µs Propagation Delay (MAX6700)
o 140ms (min) Reset Timeout Period (MAX6710)
o RESET Valid to IN1 = 1V or IN2 = 1V
o Immune to Short Monitored Supply Transients
o Guaranteed from -40°C to +85°C
o Small 6-Pin SOT23 Package
Low-Voltage, High-Accuracy, Triple/Quad
Voltage µP Supervisory Circuits in SOT Package
________________________________________________________________ Maxim Integrated Products
1
19-2324; Rev 1; 4/02
Ordering Information
Insert the desired suffix letter from the Selector Guide into the
blank to complete the part number. There is a 2500 piece mini-
mum order increment requirement on the SOT package. These
devices are available in tape-and-reel only.
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX6700UT-T
-40
°C to +85°C
6 SOT23-6
MAX6710_UT-T
-40
°C to +85°C
6 SOT23-6
MAX6700
MAX6710
IN1
IN2
IN3
IN4
RESET
GND
SUPPLIES
TO BE
MONITORED
µP
Typical Operating Circuit
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Selector Guide with Top marks appears at end of data sheet.




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