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MIC826LYMT-T5

Description
Supervisory Circuits Voltage Supervisor w Watchdog Timer IC
Categorysemiconductor    Power management   
File Size422KB,14 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC826LYMT-T5 Overview

Supervisory Circuits Voltage Supervisor w Watchdog Timer IC

MIC826LYMT-T5 Parametric

Parameter NameAttribute value
Product CategorySupervisory Circuits
ManufacturerMicrochip
RoHSDetails
TypeVoltage Supervisory
Mounting StyleSMD/SMT
Package / CaseTDFN-6
Threshold Voltage4.625 V
Output TypeActive High, Active Low, Push-Pull
Manual ResetManual Reset
Battery Backup SwitchingNo Backup
Supply Voltage - Max6 V
Maximum Operating Temperature+ 125 C
PackagingReel
PackagingMouseReel
PackagingCut Tape
Minimum Operating Temperature- 40 C
Operating Supply Current20 mA
Reset Delay Time10 us
Factory Pack Quantity500
Supply Voltage - Min1 V
Watchdog TimersWatchdog
Unit Weight0.001764 oz
MIC826
Voltage Supervisor with Watchdog Timer,
Manual Reset, and Dual Outputs
In 1.6mm x 1.6mm TDFN
General Description
The MIC826 is a low-current, ultra-small, voltage
supervisor with manual reset input, watchdog timer, and
active-high and active-low push-pull outputs. The reset
outputs are asserted and held when the supply voltage
falls below the factory-programmed threshold voltage,
when the /MR pin is pulled low, or if the watchdog times
out. Reset is asserted for the reset timeout delay after the
supply voltage increases above the rising threshold
voltage or when manual reset input is asserted high.
The MIC826 features an integrated pull-up resistor on the
/MR. An active-low push-pull reset output (/RESET) and
an active-high reset output (RESET) provide flexibility
when interfacing with various microcontrollers, PMICs, or
load switches. The watchdog input can be left
unconnected for applications that do not require watchdog
monitoring.
The MIC826 consumes a quiescent current of only 3.8µA
and is offered in a tiny, space-saving, 6-pin 1.6mm x
1.6mm Thin DFN package. It is rated for the –40°C to
+125°C temperature range.
Datasheets and support documentation are available on
Micrel’s web site at:
www.micrel.com.
Features
Precision 1.8V to 5V power supply monitor
±0.5% threshold accuracy at T
A
= +25°C
±1.5% threshold accuracy from T
A
= –40°C to +125°C
3.8µA supply current (MIC826S/R/T/W/Y/Z)
4.8µA supply current (MIC826L/M)
Manual reset input
140ms (min.) reset timeout period
1.6s (typ.) watchdog timeout period
Float watchdog timer input to disable watchdog timer
Active-high and active-low push-pull outputs
Guaranteed reset output valid to VCC = 1V
−40°C
to +125°C junction temperature range
6-pin 1.6mm x 1.6mm x 0.5mm Thin DFN package
50% smaller version of
MAX823/MAX824/MAX825/ADM823/ADM824/ADM825
8x lower watchdog input current than competition
Applications
Microprocessor systems
Computers
Intelligent instruments
_________________________________________________________________________________________________________________________
Typical Application
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
February 4, 2013
Revision 1.0
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