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MAX6717AUKLTD4-T

Description
Supervisory Circuits
CategoryPower/power management    The power supply circuit   
File Size2MB,18 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6717AUKLTD4-T Overview

Supervisory Circuits

MAX6717AUKLTD4-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Reach Compliance Codenot_compliant
ECCN codeEAR99
Is SamacsysN
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G5
Humidity sensitivity level1
Number of terminals5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)225
power supply1/5 V
Certification statusNot Qualified
Maximum supply current (Isup)0.039 mA
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Base Number Matches1
MAX6715A–MAX6729A/
MAX6797A
Dual/Triple, Ultra-Low-Voltage, SOT23 μP
Supervisory Circuits
General Description
The MAX6715A–MAX6729A/MAX6797A are ultra-low-
voltage microprocessor (μP) supervisory circuits designed to
monitor two or three system power-supply voltages. These
devices assert a system reset if any monitored supply falls
below its factory-trimmed or adjustable threshold and main-
tain reset for a minimum timeout period after all supplies rise
above their thresholds. The integrated dual/triple superviso-
ry circuits significantly improve system reliability and reduce
size compared to separate ICs or discrete components.
These devices monitor primary supply voltages (V
CC1
)
from 1.8V to 5.0V and secondary supply voltages (V
CC
2)
from 0.9V to 3.3V with factory-trimmed reset threshold
voltage options (see the
Reset Voltage Threshold Suffix
Guide).
An externally adjustable RSTIN input option
allows customers to monitor a third supply voltage down
to 0.62V. These devices are guaranteed to be in the cor-
rect reset output logic state when either V
CC1
or V
CC2
remains greater than 0.8V.
A variety of push-pull or open-drain reset outputs along
with watchdog input, manual-reset input, and power-fail
input/output features are available (see the Selector
Guide). Select reset timeout periods from 1.1ms to
1120ms (min) (see the
Reset Timeout Period Suffix
Guide).
The MAX6715A–MAX6729A/MAX6797A are
available in small 5-, 6-, and 8-pin SOT23 packages and
operate over the -40°C to +125°C temperature range.
● Multivoltage Systems
● Telecom/Networking
Equipment
● Computers/Servers
● Portable/Battery-
Operated Equipment
Features
● V
CC1
(Primary Supply) Reset Threshold Voltages
from 1.58V to 4.63V
● V
CC2
(Secondary Supply) Reset Threshold Voltages
from 0.79V to 3.08V
● Externally Adjustable RSTIN Threshold for Auxiliary/
Triple-Voltage Monitoring (0.62V Internal Reference)
● Watchdog Timer Option
• 35s (min) Long Startup Period
• 1.12s (min) Normal Timeout Period
● Manual-Reset Input Option
● Power-Fail Input/Power-Fail Output Option
(Push-Pull and Open-Drain Active-Low)
● Guaranteed Reset Valid Down to V
CC1
or
V
CC2
= 0.8V
● Reset Output Logic Options
● Immune to Short V
CC
Transients
● Low Supply Current 14μA (typ) at 3.6V
● Watchdog Disable Feature
● Small 5-, 6-, and 8-Pin SOT23 Packages
Ordering Information
PART
MAX6715AUT_
_D_+T
MAX6716AUT_
_D_+T
MAX6717AUK_
_D_+T
MAX6718AUK_
_D_+T
MAX6719AUT_
_D_+T
MAX6719AUT_ _D_/V+T*
TEMP RANGE
PIN-
PACKAGE
-40°C to +125°C 6 SOT23
-40°C to +125°C 6 SOT23
-40°C to +125°C 5 SOT23
-40°C to +125°C 5 SOT23
-40°C to +125°C 6 SOT23
-40°C to +125°C 6 SOT23
Applications
● Industrial Equipment
● Printers/Fax Machines
● Set-Top Boxes
Typical Operating Circuit
UNREGULATED
DC
DC-DC OUT2
CONVERTER
IN
OUT1
V
CC1
R1
V
CC2
+Denotes
a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
/V denotes an automotive qualified part.
*Future
product—contact factory for availability.
Note:
The first “_ _” are placeholders for the threshold voltage
levels of the devices. Desired threshold levels are set by the part
number suffix found in the Reset Voltage Threshold Suffix Guide.
The “_” after the D is a placeholder for the reset timeout delay
time. Desired delay time is set using the timeout period suffix
found in the Reset Timeout Period Suffix Guide. For example,
the MAX6716AUTLTD3-T is a dual-voltage supervisor V
TH1
=
4.625V, V
TH2
= 3.075V, and 210ms (typ) timeout period.
Ordering Information continued at end of data sheet.
Pin Configurations and Selector Guide appear at end of
data sheet.
1.8V
0.9V
MAX6715A-
MAX6729A/
MAX6797A
RST
RSTIN/PFI
WDI
PFO
MAX67_ _
MR
PUSHBUTTON
SWITCH
I/O
CORE
SUPPLY SUPPLY
RESET
I/O
NMI
µP
R2
19-0536; Rev 4; 3/14
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