Datasheet > MAX803

MAX803

更新时间： 2024-11-17 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		复位电路微处理器
页数	文件大小	规格书
8页	856K
描述
3引脚微处理器复位电路

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中文翻译

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数据手册

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MAX803 数据手册

MAX803/MAX809/

MAX810

3-Pin Microprocessor Reset Circuits

General Description

Beneﬁts and Features

● Precision Monitoring of +2.5V, +3V, +3.3V, and

+5V Power-Supply Voltages

The MAX803/MAX809/MAX810 are microprocessor (μP)

supervisory circuits used to monitor the power supplies

in μP and digital systems. They provide excellent circuit

reliability and low cost by eliminating external components

and adjustments when used with +5V, +3.3V, +3.0V, or

+2.5V powered circuits.

● Fully Specified Over Temperature

● Available in Three Output Configurations

• Open-Drain RESET Output (MAX803)

• Push-Pull RESET Output (MAX809)

• Push-Pull RESET Output (MAX810)

● 140ms (min) Power-On-Reset Pulse Width

● 12μA Supply Current

● Guaranteed Reset Valid to V

● Power Supply Transient Immunity

● No External Components

These circuits perform a single function: they assert a

reset signal whenever the V

below a preset threshold, keeping it asserted for at least

supply voltage declines

= +1V

140ms after V has risen above the reset threshold.

Reset thresholds suitable for operation with a variety of

supply voltages are available.

● 3-Pin SC70 and SOT23 Packages

● AEC-Q100 Qualified. Refer to Ordering Information

The MAX803 has an open-drain output stage, while the

MAX809/MAX810 have push-pull outputs. The MAX803’s

open-drain RESET output requires a pullup resistor that

for Specific /V Versions.

Selector Guide and Ordering Information appear at end of data

sheet.

can be connected to a voltage higher than V . The

MAX803/MAX809 have an active-low RESET output,

while the MAX810 has an active-high RESET output. The

reset comparator is designed to ignore fast transients on

, and the outputs are guaranteed to be in the correct

Typical Operating Circuit

logic state for V

down to 1V.

Low supply current makes the MAX803/MAX809/MAX810

ideal for use in portable equipment. The MAX803 is

available in a 3-pin SC70 package, and the MAX809/

MAX810 are available in 3-pin SC70 or SOT23 packages.

PULLUP

MAX803

MAX809

µP

RESET

INPUT

RESET

Applications

● Computers

GND

● Controllers

● Intelligent Instruments

● Critical μP and μC Power Monitoring

● Portable/Battery-Powered Equipment

● Automotive

*MAX803 ONLY

19-0344; Rev 11; 10/17

12 3 4 5 6 7 8

中文翻译

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与MAX803相关器件

型号	品牌	获取价格	描述	数据表
MAX803_07	ONSEMI	获取价格	Very Low Supply Current 3-Pin Microprocessor Reset Monitor
MAX803_EXR/V+	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803_EXR/V+T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803_EXR+T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803_EXR-T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803-EXRT	MAXIM	获取价格	MAX803/MAX809/MAX810 3-Pin Microprocessor Reset Circuits
MAX803-EXR-T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803-EXR-T10	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX803-EXRV	MAXIM	获取价格	MAX803/MAX809/MAX810 3-Pin Microprocessor Reset Circuits
MAX803L	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits

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