矽力杰 Silergy SY8827P 2.6-5.5V 输入 6A 输出高效同步降压稳压器 规格书 (Datasheet)佰祥电子

SY8827P

HighEfficiency5.5V,6A,2.4MHz

I2CProgrammable,SynchronousStepDownRegulator

GeneralDescriptionFeatures

SY8827Pisahighefficiency2.4MHzsynchronousstepInputVoltageRange:2.6Vto5.5V

downDC/DCregulatorcapableofdeliveringupto6A2.4MHzSwitchingFrequencyMinimizesthe

outputcurrents.ItcanoperateoverawideinputvoltageExternalComponents

rangefrom2.6Vto5.5VandintegratesmainswitchandTypical65μAQuiescentCurrent

synchronousswitchwithverylowRDS(ON)tominimizethe

LowRDS(ON)forInternalSwitches(PFET/NFET):

conductionloss.Theoutputvoltagecanbeprogrammed

228mΩ/17mΩ

from0.6Vto1.3875VthroughICinterface.ProgrammableOutputVoltage:0.6Vto1.3875Vin

SY8827Pisinaspacesaving,lowprofileCSP1.56×1.96-12.5mVSteps

20package.6AContinuousOutputCurrentCapability

Capablefor0.33μHor0.25μHinductorand22μF

CeramicCapacitor.

OrderingInformationHic-cupModeProtectionforHardShortCondition

RoHSCompliantandHalogenFree

SY8827□(□□)□Compactpackage:CSP1.56×1.96-20

TemperatureCode

PackageCodeApplications

OptionalSpecCode

OrderingNumberPackageTypeNoteSmart-phone

SY8827PPKCCSP1.56×1.96-206AWeb-tablets

TypicalApplications

Efficiencyvs.LoadCurrent

95

SY8827P

L1:0.33µH/0.25µH

VIN:2.6~5.5VVOUT

VINLX90

)

CINCOUT

K1K2VOUT

%

22µF/6.3V22µF/6.3V(

85

y

VSELc

n

e

SCLi

ENc

i

f80

SDAf

E

R1R2GNDAGND

1MΩ1MΩVIN=3.3V,VOUT=1.15V

75VIN=4.2V,VOUT=1.15V

VIN=5.0V,VOUT=1.15V

70

10100100010000

LoadCurrent(mA)

Figure1.SchematicDiagramFigure2.SchematicDiagram

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SY8827P

Pinout(topview)

1234

AVSELENSCLVOUT

BSDAGNDGNDAGND

CGNDGNDGNDGND

DVINVINSWSW

EVINVINSFWBSW

PartNumberPackagetypeTopMark①

SY8827PPKCCSP1.56×1.96-20hFxyz

Note①：x=yearcode,y=weekcode,z=lotnumbercode.

PinPinNamePinDescription

Powerinputpin.Thesepinsmustbedecoupledtogroundwithatleasta

D1,D2,E1,E2VIN22μFceramiccapacitor.Theinputcapacitorshouldbeplacedasclose

aspossiblebetweentheVINandGNDpins.

Switchingnodepin.Connectthesepinstotheswitchingnodeofthe

D3,D4,E3,E4SW

inductor.

B2,B3,C1,C2,C3,C4GNDPowergroundpin.

Voltageselectpin.Whenthispinislow,VissetbytheVSEL0

A1VSELOUT

register.Whenthispinishigh,VOUTissetbytheVSEL1register.

Enablecontrolpin.Activehigh.Donotleaveitfloating.

A2ENIfENpinislow,theDC/DCconverterwillbeturnedoff,andallI2C

registerswillberesettodefaultvalues.

B1SDAI2CinterfaceBi-directionalDataline.

B4AGNDAnaloggroundpin.

A3SCLI2Cinterfaceclockline.

A4VOUTSensepinforoutput.Connecttedtotheoutputcapacitorside.

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SY8827P

AbsoluteMaximumRatings(Note1)

VIN-----------------------------------------------------------------------------------------------------------------------0.3Vto6.0V

VSEL,EN,SDA,SCL,VOUT-------------------------------------------------------------------------------0.3VtoVIN+0.6V

SWVoltage--------------------------------------------------------------------------------------------------0.3V（*1）to6V（*2）

PowerDissipation,PD@TA=25°CCSP1.56×1.96-20-------------------------------------------------------------------2.6W

PackageThermalResistance(Note2)

θJA----------------------------------------------------------------------------------------------------------------38°C/W

JC------------------------------------------------------------------------------------------------------------------8°C/W

JunctionTemperatureRange------------------------------------------------------------------------------------40°Cto150°C

LeadTemperature(Soldering,10sec.)------------------------------------------------------------------------------------260°C

StorageTemperatureRange-------------------------------------------------------------------------------------65°Cto150°C

(*1)SWVoltageTestedDownto-3V<20ns

(*2)SWVoltageTestedUpto+7V<20ns

RecommendedOperatingConditions(Note3)

SupplyInputVoltage------------------------------------------------------------------------------------------------2.6Vto5.5V

JunctionTemperatureRange------------------------------------------------------------------------------------40°Cto125°C

AmbientTemperatureRange--------------------------------------------------------------------------------------40°Cto85°C

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SY8827P

ElectricalCharacteristics

(VIN=5V,VOUT=2.5V,L=0.33μH,COUT=22μF,TA=25°C,unlessotherwisespecified)

ParameterSymbolTestConditionsMinTypMaxUnit

InputVoltageRangeVIN2.65.5V

VINUVLOVUVLOVINrising2.452.58V

VINUVLOHysteresisVUVHYST150mV

QuiescentCurrentIQIOUT=0,EN=1,FB=105%×VREF65µA

IEN=00.11

ShutdownCurrentSHDN_H/WµA

ISHDN_S/WEN=VIN,Buck_ENx=041

EN,VSEL,SDA,SCL

RisingThresholdVIH1.1V

FallingThresholdVIL0.4V

ForcedPWM,V=VSEL0,

VAccuracyVOUT-1.5+1.5%

OUTREGdefaultvalue

NFETRDS(ON)RDS(ON)N17mΩ

PFETRDS(ON)RDS(ON)P28mΩ

PMOSPeakCurrentLimitILIM_PEAK7.5A

NMOSPeakCurrentLimitILIM_VALLEY6A

InternalSoft-startTimetSS300us

MinONTime40ns

OscillatorFrequencyfOSC2.4MHz

ThermalShutdown

T150°C

TemperatureSD

ThermalShutdownHysteresisTHYS15°C

LXNodeDischargeResistorRDSH150Ω

Risingthreshold6.15V

InputOVPShutdownV

OVPFallingthreshold5.55.85V

OverVoltageProtection

t20µs

BlankingTimeBlanking

Note1:Stressesbeyondthe“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Theseare

stressratingsonly.Functionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedinthe

operationalsectionsofthespecificationisnotimplied.Exposuretoabsolutemaximumratingconditionsfor

extendedperiodsmayaffectdevicereliability.

Note2:θJAismeasuredinthenaturalconvectionatTA=25°Conaloweffectivesinglelayerthermalconductivity

testboardofJEDEC51-3thermalmeasurementstandard.

Note3:Thedeviceisnotguaranteedtofunctionoutsideitsoperatingconditions.

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SY8827P

CSP1.56×1.96-20OutlineDrawing

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