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RT9818

Richtek Technology Corporation
Part Number RT9818
Manufacturer Richtek Technology Corporation
Description Micro-Power Voltage Detectors
Published May 30, 2009
Detailed Description ® RT9818 Micro-Power Voltage Detectors General Description The RT9818 is a micro-power voltage detector supervising th...
Datasheet PDF File RT9818 PDF File

RT9818
RT9818

Overview
® RT9818 Micro-Power Voltage Detectors General Description The RT9818 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (μP) or digital systems.
It provides internally fixed threshold levels with 0.
1V per step ranging from 1.
2V to 5V, which covers most digital applications.
It features low supply current of 3μA.
The RT9818 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.
Once VDD recovered upcrossing the threshold level, the reset signal will be released after a certain delay time.
RT9818 is provided in SC-82, SC-70-3, SOT-23-3, SOT-23-5 and SOT-89 packages.
Ordering Information RT9818 - Package Type U3 : SC-70-3 V : SOT-23-3 VL : SOT-23-3 (L-Type) B : SOT-23-5 X : SOT-89 Y : SC-82 YR : SC-82 (R-Type) Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) Threshold Volta...


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