MAX810, MAX810L, MAX810M, MAX810R, MAX810S, MAX810T

3引脚微处理器复位电路

业内首款3引脚SC70复位IC


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说明

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.

These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available.

The MAX803 has an open-drain output stage, while the MAX809/MAX810 have push-pull outputs. The MAX803's open-drain active-low RESET output requires a pullup resistor that can be connected to a voltage higher than VCC. 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 VCC, and the outputs are guaranteed to be in the correct logic state for VCC 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.
MAX803L、MAX803M、MAX803R、MAX803S、MAX803T、MAX803Z、MAX809、MAX809J、MAX809L、MAX809M、MAX809R、MAX809S、MAX809T、MAX809Z、MAX810、MAX810L、MAX810M、MAX810R、MAX810S、MAX810T、MAX810Z:典型工作电路 MAX803L、MAX803M、MAX803R、MAX803S、MAX803T、MAX803Z、MAX809、MAX809J、MAX809L、MAX809M、MAX809R、MAX809S、MAX809T、MAX809Z、MAX810、MAX810L、MAX810M、MAX810R、MAX810S、MAX810T、MAX810Z:典型工作电路 放大+

关键特性

  • Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages
  • Fully Specified Over Temperature
  • Available in Three Output Configurations
    • Open-Drain Active-Low RESET Output (MAX803)
    • Push-Pull Active-Low RESET Output (MAX809)
    • Push-Pull RESET Output (MAX810)
  • 140ms min Power-On Reset Pulse Width
  • 12µA Supply Current
  • Guaranteed Reset Valid to VCC= +1V
  • Power Supply Transient Immunity
  • No External Components
  • 3-Pin SC70 and SOT23 Packages
  • AEC-Q100 Qualified. Refer to Ordering Information for Specific /V Versions

应用

  • 汽车
  • 计算机:台式机、工作站和服务器
  • 控制器
  • 精确的µP与µC电源监控
  • 智能仪表
  • 便携式电池供电设备

请查看具体的参数规格 Supervisors (1 Monitored Voltage) (252)


Part NumberReset Thresh.
(V)
Reset OuttRESETWatchdog FeatureReset Thresh. Accur.
(%)
ICC
(µA)
Package/PinsBudgetary
Price
min@ +25°CmaxSee Notes
MAX803 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
85ms to 300msNo Watchdog1.560
SC70/3
$1.25 @1k
MAX809 
Active Low
Push-Pull
SC70/3
SOT23/3
$1.01 @1k
MAX810 
Active High
Push-Pull
SC70/3
SOT23/3
$1.64 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

技术资料

应用笔记 5040 复杂系统的电压监测

工具和模型

  • MAX810 IBIS模型
  • 申请可靠性报告: MAX810 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    相关资料

    类型 编号 标题
    应用笔记 5040 复杂系统的电压监测