zsh560 Diodes, Inc., zsh560 Datasheet
zsh560
Manufacturer Part Number
zsh560
Description
Supply Voltage Monitor
Manufacturer
Diodes, Inc.
Datasheet
1.ZSH560.pdf
(5 pages)
SUPPLY VOLTAGE
MONITOR
ISSUE 2 - JANUARY 2003
DEVICE DESCRIPTION
The ZSH560 is a three terminal under voltage
monitor circuit for use in microprocessor
systems. The threshold voltage of the device
has been set to 4.6 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
ZSH560 features an open collector output
capable of sourcing 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
high 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 high.
The device is available in a TO92 package for
through hole applications as well as SOT223
for surface mount requirements.
SCHEMATIC DIAGRAM
4-334
FEATURES
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APPLICATIONS
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Vcc
Out
Gnd
SOT223 and TO92 packages
Power on reset generator
Automatic reset generation
Low standby current
Guaranteed operation from 1 volt
Wide supply voltage range
delay capacitor
4.6 volt threshold for 5 volt logic
20mV hysteresis prevents erratic operation
Microprocessor systems
Computers
Computer peripherals
Instrumentation
Automotive
Battery powered equipment
Internal clamp diode to discharge
ZSH560
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