电压监督,3 引脚,为处理器,极低电源电流,重置监控

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MAX809/NCV809 和 MAX810 是一款成本高效的系统监督电路,用于监控数字系统中的 VCC,必要时为宿主处理器提供重置信号。无需外部组件。重置输出通过重置电压阈值,在 VCC 下降 10 µsec 内驱动为有效。重置将在 VCC 上升至重置阈值以上之后一个超时时段内保持有效,该时段由工厂进行微调。MAX810 是有效高电平 RESET 输出,而 MAX809 为有效低电平 RESETbar 输出。两个器件均采用 SOT-23 和 SC-70 封装。MAX809/810 适用于抑制 VCCline 上的快速瞬变故障。0.5 µA (VCC = 3.3 V) 的低电源电流使得这些器件适用于电池供电应用。

  • Computers
  • Embedded Systems
  • Battery Powered Equipment
  • Critical Microprocessor Power Supply Monitoring
  • Body Electronic
  • Braking
  • Infotainment
  • Instrument Cluster
  • Nagivator
  • Occupant Comfort
  • Occupant Protection
  • Powertrain
  • Precision VCC Monitor for 1.5 V, 1.8V, 2.5 V, 3.0 V, 3.3 V and 5.0 V supplies
  • Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps
  • Four Guaranteed Minimum RESET Output Duration
    (1ms, 20ms, 100ms and 140ms)
  • RESET Output Guaranteed to VCC = 1.0 V
  • Low 1.0 µA Supply Current
  • VCC Transient Immunity
  • Small SOT-23 and SC-70 Package
  • No External Components
  • Wide Operating Temperature: -40°C to 105°C
  • NCV Version for Automotive

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Case Outline

MSL Type

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Voltages Monitored

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Reference Price

NCV809SN293D2T1G

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Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236)

1

260

REEL

3000

Y

1

5.5

2.93

0.5

Low

Yes

No

No

$0.1359

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NCV809STRG

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CAD Model

Pb

A

H

P

SOT-23 (TO-236)

1

260

REEL

3000

N

1

5.5

2.93

0.5

Low

Yes

No

No

Price N/A

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