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MAX707C/D

Description
2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
CategoryPower/power management    The power supply circuit   
File Size163KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Related ProductsFound20parts with similar functions to MAX707C/D
Download Datasheet Parametric View All

MAX707C/D Overview

2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8

MAX707C/D Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeDIE
package instructionDIE-8
Contacts8
Reach Compliance Code_compli
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-XUUC-N8
JESD-609 codee0
Humidity sensitivity level1
Number of channels2
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialUNSPECIFIED
encapsulated codeDIE
Encapsulate equivalent codeDIE OR CHIP
Package shapeRECTANGULAR
Package formUNCASED CHIP
Peak Reflow Temperature (Celsius)240
power supply5 V
Certification statusNot Qualified
Maximum supply current (Isup)0.35 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal locationUPPER
Threshold voltage nominal+4.65V
Maximum time at peak reflow temperatureNOT SPECIFIED
19-4334; Rev. 8; 3/10
Low-Cost, µP Supervisory Circuits
_______________General Description
The MAX705-MAX708/MAX813L microprocessor (µP)
supervisory circuits reduce the complexity and number
of components required to monitor power-supply and
battery functions in µP systems. These devices signifi-
cantly improve system reliability and accuracy com-
pared to separate ICs or discrete components.
The MAX705/MAX706/MAX813L provide four functions:
1) A reset output during power-up, power-down, and
brownout conditions.
2) An independent watchdog output that goes low if
the watchdog input has not been toggled within 1.6
seconds.
3) A 1.25V threshold detector for power-fail warning,
low-battery detection, or for monitoring a power sup-
ply other than +5V.
4) An active-low manual-reset input.
The MAX707/MAX708 are the same as the MAX705/
MAX706, except an active-high reset is substituted for
the watchdog timer. The MAX813L is the same as the
MAX705, except RESET is provided instead of
RESET.
Two supply-voltage monitor levels are available: The
MAX705/MAX707/MAX813L generate a reset pulse when
the supply voltage drops below 4.65V, while the
MAX706/MAX708 generate a reset pulse below 4.40V.
All four parts are available in 8-pin DIP, SO and µMAX
®
packages.
___________________________Features
o
Available in Tiny
µMAX
Package
o
Guaranteed RESET Valid at V
CC
= 1V
o
Precision Supply-Voltage Monitor
4.65V in MAX705/MAX707/MAX813L
4.40V in MAX706/MAX708
o
200ms Reset Pulse Width
o
Debounced TTL/CMOS-Compatible
Manual-Reset Input
o
Independent Watchdog Timer—1.6s Timeout
(MAX705/MAX706)
o
Active-High Reset Output
(MAX707/MAX708/MAX813L)
o
Voltage Monitor for Power-Fail or Low-Battery
Warning
MAX705–MAX708/MAX813L
______________Ordering Information
PART
MAX705CPA
MAX705CSA
MAX705CUA
MAX705C/D
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
8 Plastic DIP
8 SO
8 µMAX
Dice*
_______________________Applications
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical µP Power Monitoring
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information continued at end of data sheet.
*
Dice are specified at T
A
= +25°C.
**
Contact factory for availability and processing to MIL-STD-883.
Devices in PDIP, SO and µMAX packages are available in both
leaded and lead-free packaging. Specify lead free by adding
the + symbol at the end of the part number when ordering.
Lead-free not available for CERDIP package.
_________________Pin Configurations
TOP VIEW
MR
V
CC
1
2
8
7
WDO
RESET (RESET)
WDI
PFO
__________Typical Operating Circuit
UNREGULATED DC
MAX667
+5V DC LINEAR
REGULATOR
µP
V
CC
PFI
MR
RESET
PFI
MAX705
WDO
MAX706
PFO
V
CC
RESET
I/O LINE
NMI
INTERRUPT
GND 3
PFI 4
MAX705
MAX706
MAX813L
DIP/SO
6
5
MR
V
CC
1
2
8
7
RESET
RESET
N.C.
PFO
GND 3
PFI 4
MAX707
MAX708
6
5
PUSHBUTTON
SWITCH
MAX813L
DIP/SO
( ) ARE FOR MAX813L ONLY.
Pin Configurations continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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