CAT869MTBI-G

更新时间： 2024-11-28 03:15:11

品牌	Logo	应用领域
CATALYST		微处理器监控
页数	文件大小	规格书
9页	537K
描述
3-Pin Microprocessor Power Supply Supervisors

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中文翻译

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数据手册

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CAT869MTBI-G 数据手册

CAT853, CAT863

CAT859, CAT869

3-Pin Microprocessor Power Supply

Supervisors

FEATURES

DESCRIPTION

■ Precision monitoring of +3.3V (-5%, -10%), 5V

The CAT853, CAT863, CAT859, and CAT869 are

supervisorycircuitsthatmonitorpowersuppliesindigital

systems.

(-10% Power Supplies)

■ Active low reset output

Thesedevicesgeneratearesetsignal,whichisasserted

whilethepowersupplyvoltageisbelowapresetthreshold

level and for at least 140 ms after the power supply level

has risen above that level. Industry standard threshold

levels are offered to support +3.3V or 5.0V systems.

■ Reset valid down to V_CC= 1.0V

■ 6μA power supply current

■ Power supply transient immunity

■ Industrial temperature range: -40ºC to +85ºC

■ RoHS-compliant SOT-23 package

The CAT859 and CAT869 feature a RESET push-pull

output (active low) for the two pinout options.

APPLICATIONS

■ Computers

The CAT853 and CAT863 feature an open drain RESET

output (active low). Both require a pull-up resistor on

the RESET output.

■ Servers

Fast transients on the power supply are ignored and

the output is guaranteed to be in the correct state at V_cc

levels as low as 1.0V.

■ Laptops

■ Cable modems

■ Wireless communications

■ Embedded control systems

■ White goods

■ Power meters

For Ordering Information details, see page 8.

■ Intelligent instruments

■ PDAs and handheld equipment

PIN CONFIGURATION

THRESHOLD SUFFIX SELECTOR

3-Lead SOT23

Nominal Threshold Threshold Sufﬁx

Voltage

3.08V

2.93V

4.38V

Designation

RESET

GND

RESET

CAT853

CAT859

CAT863

CAT869

GND

PIN DESCRIPTIONS

Name Description

RESET Active low reset. RESET is asserted if V_CCfalls below the reset threshold and remains low for at least

140ms after V_CCrises above the reset threshold.

GND

V_CC

Ground

Power supply voltage that is monitored.

Characteristics subject to change without notice

Doc. No. 3026, Rev. B

12 3 4 5 6 7...9

中文翻译

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