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ZSM300N8TA

Description
Supervisory Circuits
Categorysemiconductor    Power management   
File Size152KB,5 Pages
ManufacturerDiodes Incorporated
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ZSM300N8TA Overview

Supervisory Circuits

ZSM300N8TA Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerDiodes Incorporated
Product CategorySupervisory Circuits
RoHSN
TypeVoltage Supervisory
Mounting StyleSMD/SMT
Package / CaseSOIC-8
Number of Inputs Monitored1 Input
Manual ResetNo Manual Reset
Watchdog TimersNo Watchdog
Battery Backup SwitchingNo Backup
Supply Voltage - Max6.5 V
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature- 40 C
Height1.5 mm
Length5 mm
Width4 mm
Overvoltage Threshold2.7 V
Undervoltage Threshold2.56 V
Chip Enable SignalsNo Chip Enable
Pd - Power Dissipation780 mW
Power Fail DetectionNo
Supply Voltage - Min1 V
Unit Weight0.019048 oz
SUPPLY VOLTAGE
MONITOR
ISSUE
3
– JULY 2006
DEVICE DESCRIPTION
The ZSM300 is a three terminal under
voltage monitor circuit for use in
microprocessor systems. The threshold
voltage of the device has been set to 2.63
volts making it ideal for 3 volt circuits.
Included in the device is a precise voltage
reference and a comparator with built in
hysteresis to prevent erratic operation. The
ZSM300 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 SOT223
for surface mount requirements.
ZSM300
FEATURES
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
2.63 volt threshold for 3 volt logic
20mV hysteresis prevents erratic operation
APPLICATIONS
Microprocessor systems
Computers
Computer peripherals
Instrumentation
Automotive
Battery powered equipment
SCHEMATIC DIAGRAM
4-339
Issue
3
-
July 2006
© Zetex Semiconductors plc 2006
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