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IMP690A Даташит - IMP

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The IMP690A/IMP692A/IMP802L/IMP802M/IMP805L simplify power supply monitoring and control in microprocessor systems. Each circuit implements four functions: Reset control, watchdog monitoring, batterybackup switching and power-failure monitoring. In addition to microprocessor reset under powerup and power-down conditions, these devices provide battery-backup switching to maintain control in powerloss and brown-out situations. Additional monitoring capabilities can provide an early warning of unregulated power-supply loss before the voltage regulator drops out.
   
Key Features
◆ Design improvement over Maxim
    MAX690A/692A/802L/802M/805L
    — 70% lower current than Maxim:
        100µA maximum
    — RESET Operation to 1.1V
◆ Two precision supply-voltage monitor options
    — 4.65V (IMP690A/802L/805L)
    — 4.40V (IMP692A/802M)
◆ Battery-backup power switch on-chip
◆ Watchdog timer: 1.6 second timeout
◆ Power failure/low battery detection
◆ Short-circuit protection and thermal limiting
◆ Small 8-pin SO package
◆ No external components
◆ Specified over full temperature range
   
Applications
◆ Embedded control systems
◆ Battery–operated systems
◆ Intelligent instruments
◆ Wireless communication systems
◆ PDAs and handheld equipment
◆ µP/µC power supply monitoring
   

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Номер в каталоге
Компоненты Описание
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производитель
µP Power Supply Supervisor with Battery Backup Switch
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