Datasheet > PR4101A

PR4101A

更新时间： 2024-11-17 02:52:55

品牌	Logo	应用领域
PREMA		/
页数	文件大小	规格书
24页	2872K
描述
High Power LED Buck Driver

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中文翻译

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数据手册

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PR4101A 数据手册

LEDDriverPR4101

HighPowerLEDBuckDriver

APPLICATIONS

ThePR4101isaLEDbuckdriverfordrivingone

or several high power LEDs in series. The

supply voltage can be up to 40V, with an

output current of more than 1A using an

external n-channel MOSFET switching

transistor.ThePR4101AwithadditionalPWMand

•Halogenlamporfilamentbulbreplacementby

LEDs

•Generalillumination

•Warninglights

•Automotivelighting

•Indicatorsigns

powerdowninputisdeliveredSOP14packaged, •LCDbacklighting

whilethePR4101BisofferedSO8packaged.

ABSOLUTEMAXIMUMRATINGS

FEATURES

Parameter

Min Max Units

V ,VDI(nodamage) -0.3 50 [V]

•Adjustableoutputcurrentofseveralamps

•Supplyvoltageupto40V

•Dimmingwithphase-cutdimmer

•BrightnesscontrolwithPWM(PR4101Aonly)

•Outputcurrenttemperaturecompensation

•Delayedstartpossible(PR4101Aonly)

•Overtemperatureprotection

•FrequencyspreadingforimprovedEMI

•Lowstandbycurrentof<35µA

•Undervoltagelockout

Allotherpins

14 [V]

OperatingChip

TemperatureRange(over -20 125 [°C]

temperatureprotection)

StorageTemperature

-55 150 [°C]

Range

ElectrostaticDischarge

(ESD)Protection

[kV]

TYPICALAPPLICATIONCIRCUIT

Vcc

7...40 V

Vcc

VDI

CLED

5VLo

CIN

Gnd

SUB

One or

more LEDs

NDRV

Vsense

5VHi

RVsense

Rsense

PR4101

©PREMASemiconductorGmbH2006-2014Irev.1014

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中文翻译

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