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ZSM530G fiches techniques PDF

Zetex Semiconductors - SUPPLY VOLTAGE MONITOR

Numéro de référence ZSM530G
Description SUPPLY VOLTAGE MONITOR
Fabricant Zetex Semiconductors 
Logo Zetex Semiconductors 





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ZSM530G fiche technique
SUPPLY VOLTAGE
MONITOR
ISSUE 1 – NOVEMBER 1995
DEVICE DESCRIPTION
The ZSM530 is a three terminal under
voltage monitor circuit for use in
microprocessor systems. The threshold
voltage of the device has been set to 4.3 volts
making it ideal for 5 volt circuits.
Included in the device is a precise voltage
reference and a comparator with built in
hysteresis to prevent erratic operation. The
ZSM530 features an open collector output
capable of sinking at least l0mA which only
requires a single external resistor to interface
to following circuits.
Operation of the device is guaranteed from
one volt upwards, from this level to the
device threshold voltage the output is held
low providing a power on reset function.
Should the supply voltage, once established,
at any time drop below the threshold level
then the output again will pull low.
The device is available in a TO92 package for
through hole applications as well as SO8 and
SOT223 for surface mount requirements.
SCHEMATIC DIAGRAM
ZSM530
FEATURES
SO8, SOT223 and TO92 packages
Power on reset generator
Automatic reset generation
Low standby current
Guaranteed operation from 1 volt
Wide supply voltage range
Internal clamp diode to discharge
delay capacitor
4.3 volt threshold for 5 volt logic
20mV hysteresis prevents erratic operation
APPLICATIONS
Microprocessor systems
Computers
Computer peripherals
Instrumentation
Automotive
Battery powered equipment
4-354

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