ZSM300GTC Diodes Zetex, ZSM300GTC Datasheet

ZSM300GTC

Manufacturer Part Number

ZSM300GTC

Description

IC MONITOR SUPPLY 3.0V SOT223

Manufacturer

Diodes Zetex

Type

Simple Reset/Power-On Resetr

Datasheet

1.ZSM300CL.pdf (5 pages)

Specifications of ZSM300GTC

Number Of Voltages Monitored

Output

Open Drain or Open Collector

Reset

Active Low

Reset Timeout

2.5 µs Typical Propagation Delay

Voltage - Threshold

2.63V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

SOT-223 (3 leads + Tab), SC-73, TO-261

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Issue 3 - July 2006

SUPPLY VOLTAGE

MONITOR

ISSUE 3 – JULY 2006

DEVICE DESCRIPTION

The ZSM300 is a three terminal under

v o l t a g e m o n i t o r c i r c u i t f o r u s e i n

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.

SCHEMATIC DIAGRAM

4-339

FEATURES

•

APPLICATIONS

•

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

2.63 volt threshold for 3 volt logic

20mV hysteresis prevents erratic operation

Microprocessor systems

Computers

Computer peripherals

Instrumentation

Automotive

Battery powered equipment

Internal clamp diode to discharge

ZSM300

Related parts for ZSM300GTC

ZSM300GTC Summary of contents

Page 1

SUPPLY VOLTAGE MONITOR ISSUE 3 – JULY 2006 DEVICE DESCRIPTION The ZSM300 is a three terminal under ...

ZSM300 ABSOLUTE MAXIMUM RATING Input Supply Voltage Offstate Output Voltage Onstate Output Sink Current( ) Note 1 Clamp Diode Forward Current( ) Note 1 Operating Junction Temperature Operating Temperature Storage Temperature TEST CONDITIONS (T =25°C for typical values, T amb ...

Page 3

Input Voltage Input Current vs. Input Voltage 50 V =2. 0.4 0.8 Output Saturation Voltage (V) Output Saturation Voltage vs. Sink Current ...

Page 4

ZSM300 TIMING DIAGRAM Vcc Threshold Voltage 1 V Output Output Undefined APPLICATION CIRCUIT Note 4: A time delayed reset can be accomplished with the additional Cd. = RCd ln æ ç 1 − ç ç è Issue 3 ...

Page 5

CONNECTION DIAGRAMS SOT223 Package Suffix – G Top View – Pin 4 floating or connected to pin 2 ORDERING INFORMATION Part Number Package ZSM300G SOT223 ZSM300C TO92 Europe Americas Zetex GmbH Zetex Inc Streitfeldstraße 19 700 Veterans Memorial Highway D-81673 ...

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ZSM300GTC Diodes Zetex, ZSM300GTC Datasheet

ZSM300GTC

Specifications of ZSM300GTC

Related parts for ZSM300GTC

ZSM300GTC Summary of contents

Page 1

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