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RT9801 - User Programmable Micro-Power Voltage Detectors

Description

The RT9801 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (µP) or digital systems.

It provides user programmable threshold levels with 0.1V step ranging from 1.5V to 5V, which covers most digital applications.

Features

  • low supply current of 3µA. Selection of VTH is easily achieved through 3 pins connected to GND, VDD or floating for different threshold voltage settings. Two versions of threshold voltages, 1.5V ~ 4V and 2.5V ~ 5V, which are programmed in factory are offered by customer demands. The RT9801 performs supervisory function by sending out a reset signal whenever the VDD voltage falls below a preset threshold level. This reset signal will last the whole period before VDD recovering. Reset signal will.

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Datasheet preview – RT9801

Datasheet Details

Part number RT9801
Manufacturer Richtek
File Size 130.65 KB
Description User Programmable Micro-Power Voltage Detectors
Datasheet download datasheet RT9801 Datasheet
Additional preview pages of the RT9801 datasheet.

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Full PDF Text Transcription

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Preliminary RT9801 User Programmable Micro-Power Voltage Detectors General Description The RT9801 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (µP) or digital systems. It provides user programmable threshold levels with 0.1V step ranging from 1.5V to 5V, which covers most digital applications. It features low supply current of 3µA. Selection of VTH is easily achieved through 3 pins connected to GND, VDD or floating for different threshold voltage settings. Two versions of threshold voltages, 1.5V ~ 4V and 2.5V ~ 5V, which are programmed in factory are offered by customer demands. The RT9801 performs supervisory function by sending out a reset signal whenever the VDD voltage falls below a preset threshold level.
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