摘要:维修控制器和充电器需要各种直流电源,图1是一个多用可调稳压电源。该电源分两块,上半部桥式整流加电容滤波,不稳压。下半部桥式整流加电容滤波,再加可调三端稳压器,构成电压可调稳压电源。灵活组合可以适应各种需求。例如检测霍尔调速转把,仅使用可调稳压电源部分:调试36V有刷控制器欠压保护,将两个电源串联使用。
F solid tantalum is required only if regulator is more than 4″from power supply filter capacitor Figure 6. 1.2-V to 25-V Adjustable Regulator Diagram 8.2.1.1Design Requirements The device component count is very minimal,employing two resistors as part of a voltage divider circuit and an ...
LM337中文资料.pdf,特别说明 此资料来自百度文库(/) 您目前所看到的文档是使用的抱米花百度文库下载器所生成 此文档原地址来自 感谢您的支持 抱米花 http :///lotusbaob ANVj v T T t t t t t t e Order this document by LM337/D THREE–TERMINALADJUSTABLE NEGATIVEVOLT
回andvoltage电压regulatorcircuit,designedbyadopting接受Altium DesignersoftwareofthecircuitPCB.PCBboardsarefabricated制造inthe powersupplybyusingthemethodsofthermal热的transfertechnologyand chemicalcorrosion衰退methodsbecauseofowingtosmallsizes,good stability稳定andhighercost-effective.Measureddataandexperimental ...
•Outputcurrentinexcessof1.5ATheLM337isa3-terminalnegativeadjustableregulator.It •Outputvoltageadjustablween-1.2Vand-37Vsinexcessof1.5Aoveranoutputvoltagerangeof •Internalthermaloverloadprotection-1.2Vto-37V.Thisregulatorrequiresonlytwoexternal •Internalshortcircuitcurrentlimitingresistortosettheoutputvolta...
Output is Short Circuit Protected 2Applications •Industrial Power Supplies •Factory Automation Systems •Building Automation Systems •PLC Systems •Instrumentation •IGBT Drive Negative Gate Supplies •Networking • Set-Top Boxes 3Description The LM337L is an adjustable 3-pin negative ...
The whole power supply is mainly made of the power transformer, rectifier, filter circuit and voltage regulator circuit, designed by adopting Altium Designer software of the circuit PCB. PCB boards are fabricated in the power supply by using the methods of thermal transfer technology and chemical ...
•OutputCurrentinExcessof1.5A•OutputAdjustablebetween–1.2Vand–37V•InternalThermalOverloadProtection•InternalShortCircuitCurrentLimitingConstantwithTemperature•OutputTransistorSafe–AreaCompensation•FloatingOperationforHighVoltageApplications•EliminatesStockingmanyFixedVoltages•AvailableinSurfaceMountD2PAK...
Over Temperature, Short Circuit PSRR 60dB (120Hz) Reference Voltage -1.287V Dropout Voltage1-Nom 3V Min Output Voltage -1.2V Power Supply Rejection Ratio (PSRR) 60dB Height 8.89mm Length 10.16mm Width 4.7mm REACH SVHC No SVHC Radiation Hardening ...
nOutputisshortcircuitprotected LM137SeriesPackagesandPower Capability RatedDesign DevicePackagePowerLoad DissipationCurrent LM137/337TO-3(K)20W1.5A TO-39(H)2W0.5A LM337TO-220(T)15W1.5A LM337SOT-223 (MP) 2W1A TypicalApplicationsComparisonbetweenSOT-223and ...