MAX6340

量产

Low-Power, SC70/SOT µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

数据手册 (Rev. 11) 产品选型表
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Monitor System Voltages from 1.6V to 5V
  • Capacitor-Adjustable Reset Timeout Period
  • Low Quiescent Current (1.6µA typ)
  • Three RESET Output Options
    • Push-Pull Active-Low RESET
    • Push-Pull RESET
    • Open-Drain Active-Low RESET
  • Guaranteed Reset Valid to VCC = 1V
  • Immune to Short VCC Transients
  • Small 4-Pin SC70, 4-Pin SOT143, and 5-Pin SOT23 Packages
  • MAX6340 Pin Compatible with LP3470
  • MAX6424/MAX6425 Pin Compatible with NCP300–NCP303, MC33464/MC33465, S807/S808/S809, and RN5VD
  • MAX6426 Pin Compatible with PST92XX
  • AEC-Q100 Qualified (MAX6340UK31/V+T)

The MAX6340/MAX6421–MAX6426 low-power microprocessor supervisor circuits monitor system voltages from 1.6V to 5V. These devices perform a single function: they assert a reset signal whenever the VCC supply voltage falls below its reset threshold. The reset output remains asserted for the reset timeout period after VCC rises above the reset threshold. The reset timeout is externally set by a capacitor to provide more flexibility.

The MAX6421/MAX6424 have an active-low, push-pull reset output. The MAX6422 has an active-high, push-pull reset output and the MAX6340/MAX6423/MAX6425/MAX6426 have an active-low, open-drain reset output. The MAX6421/MAX6422/MAX6423 are offered in 4-pin SC70 or SOT143 packages. The MAX6340/MAX6424/MAX6425/MAX6426 are available in 5-pin SOT23-5 packages.

Applications

  • Automotive
  • Battery-Powered Computers/Controllers
  • Computers
  • Critical µP Monitoring
  • Embedded Controllers
  • Intelligent Instruments
  • Medical Equipment
  • Portable Equipment
  • Set-Top Boxes
MAX6340
Low-Power, SC70/SOT µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay
MAX6340、MAX6421、MAX6422、MAX6423、MAX6424、MAX6425、MAX6426：典型工作电路
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参考资料

数据手册 1

可靠性数据 1

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硬件生态系统

部分模型 产品周期 描述
监控电路和复位器IC 7
MAX6301
量产 +5V、低功耗、微处理器监控电路，带有可调节的复位/看门狗定时器
MAX6302
量产 +5V、低功耗、微处理器监控电路，带有可调节的复位/看门狗定时器
MAX6303
量产 +5V、低功耗、微处理器监控电路，带有可调节的复位/看门狗定时器
MAX6304
量产 +5V、低功耗、微处理器监控电路，带有可调节的复位/看门狗定时器
MAX6381
量产 SC70/µDFN封装、单/双路、低电压、低功耗、微处理器复位电路
MAX6412
量产 低功耗、单/双电压、微处理器复位电路，可通过电容调节复位超时周期
MAX6420
量产 低功耗、单/双电压、微处理器复位电路，可通过电容调节复位超时周期
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