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MAX638

48V-to-5VDC-DCConverterUsingMAX638SwitchingStep-DownRegulatorBorrowsPowerfromPhoneLines

Thetelephonesubscriberlinesprovide-48Vvoltage,buttheequipmentonthecustomerpremisesisusuallyoperatedfromalowervoltage.ThecircuitusingMAX638illustratesaconversionofthisavailablevoltageto5Vrequiredinmodems,telephonetestsets,andotherportablesystemsconnected

DallasDallas Semiconductor

亚德诺亚德诺半导体

MAX638AC/D

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638ACPA

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638ACSA

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638ACSLASHD

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638AEPA

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638AESA

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MAX638AMJA

5V/AdjustableCMOSStep-downSwitchingRegulator

GeneralDescription TheMAX638step-downswitchingregulatorisdesignedforminimumcomponent,lowpower,DC-DCconversion. Applications   EfficientDC-DCStep-DownRegulation   LinearVoltageRegulatorReplacement   +12Vto+5VConversion   BatteryLifeExtension   PortableInstrumen

MaximMaxim Integrated Products

美信美信半导体

MB638

SMTDoubleActionSwitch

GREATECS

Createcs

MF638

Capacity(20-hour)140Ah

GSYUASABATTERY

GS Yuasa Battery Sales UK Ltd

供应商型号品牌批号封装库存备注价格
GTS
24+
DIP
183
询价
GTS
23+
DIP20
5000
原装正品,假一罚十
询价
GTS
2016+
DIP-20
8850
只做原装,假一罚十,公司专营变压器,滤波器!
询价
GTS
2020+
DIP
3800
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价
GTS
22+
DIP
34820
进口原装!现货库存
询价
GTS
24+
DIP
2987
只售原装自家现货!诚信经营!欢迎来电!
询价
GTS
24+
SMD
20000
一级代理原装现货假一罚十
询价
GTS
18+
DIP-20
85600
保证进口原装可开17%增值税发票
询价
GTS
1736+
DIP20
15238
原厂优势渠道
询价
GTS
20+
DIP
36800
原装优势主营型号-可开原型号增税票
询价
更多FC-638L供应商 更新时间2025-7-28 16:30:00