CAT803RTBI-T3 datasheet, PDF - EEWORLD Datasheet

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CAT803RTBI-T3: DescriptionPower Supply Support Circuit, Fixed, 1 Channel, +2.63VV, PDSO3, GREEN, TO-236, SOT-23, 3 PIN; CategoryPower/power management The power supply circuit; File Size806KB，14 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/; Environmental Compliance

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CAT803RTBI-T3 Overview

Power Supply Support Circuit, Fixed, 1 Channel, +2.63VV, PDSO3, GREEN, TO-236, SOT-23, 3 PIN

CAT803RTBI-T3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Catalyst
Parts packaging code	SOT-23
package instruction	TSSOP, TO-236
Contacts	3
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	RESET THRESHOLD VOLTAGE IS 2.63V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
JESD-609 code	e3
length	2.92 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	3
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TO-236
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	3 V
Certification status	Not Qualified
Maximum seat height	1.12 mm
Maximum supply current (Isup)	0.015 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1.2 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Threshold voltage nominal	+2.63V
Maximum time at peak reflow temperature	40
width	1.3 mm

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CAT803, CAT809, CAT810

3-Pin Microprocessor Power Supply

Supervisors

FeATureS

■

DESCRIPTIOn

The CAT803, CAT809, and CAT80 are supervisory

circuits that monitor power supplies in digital systems. The

CAT803, CAT809, and CAT80 are direct replacements

for the MAX803, MAX809 and MAX80 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 40 ms after the power supply level

has risen above that level. The underlying floating gate

technology, AE

2(TM)

used by Catalyst Semiconductor,

makes it possible to offer any custom reset threshold

value. Seven industry standard threshold levels are

offered to support +5.0V, +3.3V, +3.0V and +2.5V

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 CAT80 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 V

levels as low as .0V.

The CAT803, CAT809, and CAT80 are available in both

the compact 3-pin SOT-23 and SC70 packages.

Precision monitoring of

+5.0V (-5%, -10%, -20%),

+3.3V (-5%, -10%),

+3.0V (-10%) and

+2.5V (-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 V

= 1.0V

6µA power supply current

Power supply transient immunity

Industrial temperature range: -40ºC to +85ºC

Available in RoHS-compliant SOT-23 and SC70

packages

■

APPLICATIOnS

■

Computers

Servers

Laptops

Cable modems

Wireless communications

embedded control systems

White goods

Power meters

Intelligent instruments

PDAs and handheld

equipment

for Ordering Information details, see page 11.

THRESHOLD SuffIX SELECTOR

nominal Threshold

Voltage

4.63V

4.38V

4.00V

3.08V

VCC

PIn COnfIGuRATIOn

3-Lead SOT23

3-Lead SC70

GND

Threshold Suffix

Designation

RESET 2

(RESET)

(CAT803)

CAT809

(CAT810)

2.93V

2.63V

2.32V

Characteristics subject to change without notice

Doc. No. MD-3004, Rev. Y

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