CAT803LSDI-T3 datasheet(1/11 Pages) ONSEMI

部件名	CAT803LSDI-T3

功能描述	3-Pin Microprocessor Power Supply Supervisors

PDF	11 Pages

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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October, 2012 − Rev. 33

1

Publication Order Number:

CAT803/D

CAT803, CAT809, CAT810

3-Pin Microprocessor

Power Supply Supervisors

Description

The CAT803, CAT809, and CAT810 are supervisory circuits that

monitor power supplies in digital systems. The CAT803, CAT809, and

CAT810 are direct replacements for the MAX803, MAX809 and

MAX810 in applications operating over the industrial temperature range.

These devices generate a reset signal, which is asserted while the

power supply voltage is below a preset threshold level and for at least

140 ms after the power supply level has risen above that level. The

underlying floating gate technology, Analog EEPROM used by

ON Semiconductor, makes it possible to offer any custom reset

threshold value. Seven industry standard threshold levels are offered

to support +5.0 V, +3.3 V, +3.0 V and +2.5 V systems.

The CAT803 has an open−drain RESET output (active LOW). The

CAT803 requires a pull−up resistor on the reset output.

The CAT809 features a push−pull RESET output (active LOW) and

the CAT810 features a push−pull RESET output (active HIGH).

Fast transients on the power supply are ignored and the output is

guaranteed to be in the correct state at VCC levels as low as 1.0 V.

The CAT803, CAT809, and CAT810 are available in both the

compact 3−pin SOT−23 and SC−70 packages.

Features

• Precision Monitoring of

+5.0 V (−5%, −10%, −20%),

+3.3 V (−5%, −10%),

+3.0 V (−10%) and

+2.5 V (−5%) Power Supplies

• Offered in Three Output Configurations:

− CAT803: Open−Drain Active LOW Reset

− CAT809: Push−Pull Active LOW Reset

− CAT810: Push−Pull Active HIGH Reset

• Direct Replacements for the MAX803, MAX809 and MAX810 in

Applications Operating over the Industrial Temperature Range

• Reset Valid down to VCC = 1.0 V

• 6 mA Power Supply Current

• Power Supply Transient Immunity

• Industrial Temperature Range: −40°C to +85°C

• Available in SOT−23 and SC−70 Packages

• These Devices are Pb−Free and are RoHS Compliant

Applications

• Computers, Servers, Laptops, Cable Modems

• Wireless Communications

• Embedded Control Systems

• White Goods, Power Meters

• Intelligent Instruments

• PDAs and Handheld Equipment

http://onsemi.com

PIN CONFIGURATION

VCC

RESET

(RESET)

GND

1

See detailed ordering and shipping information in the package

dimensions section on page 8 of this data sheet.

ORDERING INFORMATION

(Top View)

SOT−23

TB SUFFIX

CASE 527AG

SC−70

SD SUFFIX

CASE 419AB

2

3

CAT803

CAT809

(CAT810)

3−Lead SOT23

3−Lead SC70

XXXMG

G

XXX

= Specific Device Code

M

= Month Code

G

= Pb−Free Package

XXXMG

G

MARKING DIAGRAMS

(*Note: Microdot may be in either location)

SOT−23

SC−70

类似零件编号 - CAT803LSDI-T3

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