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MAX639C/D

5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters

GeneralDescription TheMAX639/MAX640/MAX653step-downswitchingregulatorsprovidehighefficiencyoverawiderangeofloadcurrents,deliveringupto225mA.Acurrent-limitingpulse-frequency-modulated(PFM)controlschemegivesthedevicesthebenefitsofpulse-width-modulated(PWM)converter

MaximMaximIntegrated

美信半导体

639BG

DualBCMPFCController

OverviewoftheEvaluationBoard TheFAN9611/12interleaveddualBoundary-Conduction-Mode(BCM)Power-FactorCorrection(PFC)controllersoperatetwoparallel-connectedboostpowertrains180ºoutofphase.Interleavingextendsthemaximumpracticalpowerlevelofthecontroltechniquefromabout

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

639H

600Hand600NHseries

etc2List of Unclassifed Manufacturers

etc2未分类制造商

AD639

UNIVERSALTRIGONOMETRICFUNCTIONCONVERTER

ADAnalog Devices

亚德诺亚德诺半导体技术有限公司

BB639

SiliconVariableCapacitanceDiodes

SiliconVariableCapacitanceDiodes •FortuningofextendedfrequencybandinVHFTV/VTRtuners •Highcapactanceratio •Lowseriesinductance •Lowseriesresistance •Excellentuniformityandmatchingduetoin-linematchingassemblyprocedure •Pb-free(RoHScompliant)package1) •Qu

InfineonInfineon Technologies AG

英飞凌英飞凌科技公司

BB639

SiliconVariableCapacitanceDiodes

InfineonInfineon Technologies AG

英飞凌英飞凌科技公司

BB639

SiliconVariableCapacitanceDiode(FortuningofextendedfrequencybandsinVHFTV/VTRtuners)

SiliconVariableCapacitanceDiode ●FortuningofextendedfrequencybandsinVHFTV/VTRtuners

SIEMENS

Siemens Ltd

BB639C

SiliconVariableCapacitanceDiode

InfineonInfineon Technologies AG

英飞凌英飞凌科技公司

BB639C

SiliconVariableCapacitanceDiode

SiliconVariableCapacitanceDiode •FortuningofextendedfrequencybandinVHFTV/VTRtuners •Highcapacitanceratio •Lowseriesinductance •Lowseriesresistance •Excellentuniformityandmatchingduetoin-linematchingassemblyprocedure •Pb-free(RoHScompliant)package1) •Qu

InfineonInfineon Technologies AG

英飞凌英飞凌科技公司

BB639C

SiliconVariableCapacitanceDiode(FortuningofextendedfrequencybandinVHFTV/VTRtuners)

SiliconVariableCapacitanceDiode •FortuningofextendedfrequencybandinVHFTV/VTRtuners

SIEMENS

Siemens Ltd

BC639

NPNSiliconAFTransistors(HighcurrentgainHighcollectorcurrent)

NPNSiliconAFTransistors ●Highcurrentgain ●Highcollectorcurrent ●Lowcollector-emittersaturationvoltage ●Complementarytypes:BC636,BC638,BC640(PNP)

SIEMENS

Siemens Ltd

BC639

COMPLEMENTARYSILICONTRANSISTORS

MICRO-ELECTRONICS

Micro Electronics

BC639

NPNEPITAXIALSILICONTRANSISTOR

SwitchingandAmplifierApplications •ComplementtoBC636/638/640

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

BC639

HighCurrentTransistors

HighCurrentTransistors NPNSilicon

MotorolaMotorola, Inc

摩托罗拉

BC639

NPNmediumpowertransistors

DESCRIPTION NPNtransistorinaTO-92;SOT54plasticpackage. PNPcomplements:BC636,BC638andBC640. FEATURES •Highcurrent(max.1A) •Lowvoltage(max.80V). APPLICATIONS •Driverstagesofaudio/videoamplifiers.

PhilipsROYAL PHILIPS

飞利浦荷兰皇家飞利浦

BC639

NPNSILICONPLANARMEDIUMPOWERTRANSISTOR

FEATURES *1Ampcontinuouscurrent *Ptot=800mW

Zetex

Zetex Semiconductors

BC639

HighCurrentTransistors

HighCurrentTransistors NPNSilicon Features •ThesearePb−FreeDevices*

ONSEMION Semiconductor

安森美半导体安森美半导体公司

BC639

80V,1ANPNmediumpowertransistors

Generaldescription NPNmediumpowertransistorseries. Features ■Highcurrent ■Twocurrentgainselections ■Highpowerdissipationcapability Applications ■Linearvoltageregulators ■Low-sideswitches ■MOSFETdrivers ■Amplifiers

nxpNXP Semiconductors

恩智浦恩智浦半导体公司

BC639

NPNTypePlasticEncapsulatedTransistor

FEATURE Highcurrenttransistor

SECOS

SeCoS Halbleitertechnologie GmbH

BC639

NPNSiliconEpitaxialPlanarTransistor

NPNSiliconEpitaxialPlanarTransistor MediumPowerTransistors fordriverstagesofaudio/videoamplifiers

SEMTECH_ELECSEMTECH ELECTRONICS LTD.

先之科半导体先之科半导体科技(东莞)有限公司

详细参数

  • 型号:

    MAX639C/D

  • 功能描述:

    直流/直流开关转换器 5V/3.3V/3V Adjustable High-Efficiency Low-IQ Step-Down DC-DC Converters

  • RoHS:

  • 制造商:

    STMicroelectronics

  • 最大输入电压:

    4.5 V

  • 开关频率:

    1.5 MHz

  • 输出电压:

    4.6 V

  • 输出电流:

    250 mA

  • 输出端数量:

    2

  • 最大工作温度:

    + 85 C

  • 安装风格:

    SMD/SMT

供应商型号品牌批号封装库存备注价格
MAXIM
23+
NA
25060
只做进口原装,终端工厂免费送样
询价
Maxim Integrated
22+
NA
500000
万三科技,秉承原装,购芯无忧
询价
MAXIM
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
询价
MAX
1116
DIP
21168
绝对原装现货
询价
MAXIM
23+
SOP
18000
询价
MAXIM
2017+
DIP8
21455
深圳代理原装现货进口库存(香港-日本-台湾)开17点增票
询价
MAXIM
23+
原装正品
6500
绝对全新原装!现货!特价!请放心订购!
询价
MAX
22+
DIP8
2250
100%全新原装公司现货供应!随时可发货
询价
MAXIM
15+
DIP
8
全新原装正品现货
询价
MAXIM
2016+
DIP8
2585
只做进口原装现货!或者订货,假一赔十!
询价
更多MAX639C/D供应商 更新时间2024-5-21 9:02:00