RT9801B - User Programmable Micro-Power Voltage Detectors

Product Overview

RichTek

Part number	RT9801B
Manufacturer	Richtek
File Size	121.14 KB
Description	User Programmable Micro-Power Voltage Detectors
Datasheet	RT9801B Datasheet
Note	This datasheet PDF includes multiple part numbers: RT9801B, RT9801A. Please refer to the document for exact specifications by model.
Additional preview pages of the RT9801B datasheet.

The RT9801A/B is a micro-power voltage detector supervising the power supply voltage level for microprocessors (μP) or digital systems.

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 to 4V and 2.5V to 5V, which are programmed in factory are offered by customer demands. The RT9801A/B 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.

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Published: Mar 31, 2015 |