xc8110深圳恒锐丰授权代理商.pdf

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XC8110/XC8111Series

ETR33017-006a

LoadswitchICwithidealdiodefunction☆GreenOperationCompatible

■GENERALDESCRIPTION

TheXC8110/XC8111seriesareloadswitchICsthatreproduceidealdiodesandequippedwithfunctionsincludingchipenable

(CE),overcurrentlimit,inrushcurrentlimit,andthermalshutdown.

TheseICsperformregulationcontroltoensurethattheirVOUTpinvoltageisavalueofVIN-20mV,sotheycansuppress

heatgenerationtoagreaterextentthangeneraldiodes.

WhenavoltageisappliedattheVOUTpinanditbecomesequaltoorhigherthanVIN-20mV,thedriverFETwillturnOFF.

Furthermore,whentheVOUTpinvoltagebecomesequaltoorhigherthanVIN+20mV,theIC’sinternalpowersupplywill

switchfromVINtoVOUT,whichcanpreventbackflowcurrentflowingfromtheVOUTpinthroughtheparasiticdiodetotheVIN

pin,whilealsointerruptingcurrentflowingfromVINtotheIC.

ThismakesitpossibletoeasilyachieveanoutputvoltageORcircuit,andtoreducebatteryconsumptionforbackuppurposes.

ThisIChasbeencertifiedbytheinternationalstandardIEC62368-1thatdefinessafetyrequirements,

anditispossibletosimplifythesinglefailuretestofthesubsequentcircuits.

Byadoptingthefoldbackmethodforovercurrentlimiting,theshort-circuitcurrentcanbesuppressedto50mA,anditcanbe

usedsafelyevenintheeventofashort-circuit.

Inaddition,thethermalshutdownfunctioncanpreventtheICfrombeingdestroyedbyheat.

■APPLICATIONS■FEATURES

●WearabledevicesInputVoltageRange1.5V~6.0V

●Smartcarddevices

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