 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LTC3526B-2 Datasheet(PDF) 11 Page - Linear Technology |
|
||||||||||||||||||||||||||||||
LTC3526B-2 Datasheet(HTML) 11 Page - Linear Technology |
|
|
11 / 16 page  LTC3526-2/LTC3526B-2 35262b2fc inductorcurrentwithoutsaturating.Moldedchokesand somechipinductorsusuallydonothaveenoughcore area to support the peak inductor currents of 700mA seenontheLTC3526-2/LTC3526B-2.Tominimizeradiated noise,useashieldedinductor.SeeTable1forsuggested componentsandsuppliers. Table 1. Recommended Inductors VENDOR PART/STYLE Coilcraft (847)639-6400 www.coilcraft.com LPO4815 LPS4012,LPS4018 MSS5131 MSS4020 MOS6020 ME3220 DS1605,DO1608 Coiltronics www.cooperet.com SD10,SD12,SD14,SD18,SD20, SD52,SD3114,SD3118 FDK (408)432-8331 www.fdk.com MIP3226D4R7M,MIP3226D3R3M MIPF2520D4R7 MIPWT3226D3R0 Murata (714)852-2001 www.murata.com LQH43C LQH32C(-53series) 301015 Sumida (847)956-0666 www.sumida.com CDRH5D18 CDRH2D14 CDRH3D16 CDRH3D11 CR43 CMD4D06-4R7MC CMD4D06-3R3MC Taiyo-Yuden www.t-yuden.com NP03SB NR3015T NR3012T TDK (847)803-6100 www.component.tdk.com VLP VLF,VLCF Toko (408)432-8282 www.tokoam.com D412C D518LC D52LC D62LCB Wurth (201)785-8800 www.we-online.com WE-TPCtypeS,M Output and Input Capacitor Selection LowESR(equivalentseriesresistance)capacitorsshould beusedtominimizetheoutputvoltageripple.Multilayer ceramiccapacitorsareanexcellentchoiceastheyhave extremelylowESRandareavailableinsmallfootprints. A4.7µFto10µFoutputcapacitorissufficientformost applications.Largervaluesupto22µFmaybeusedto obtainextremelylowoutputvoltagerippleandimprove transientresponse.X5RandX7Rdielectricmaterialsare preferred for their ability to maintain capacitance over widevoltageandtemperatureranges.Y5Vtypesshould notbeused. TheinternalloopcompensationoftheLTC3526-2isde- signedtobestablewithoutputcapacitorvaluesof4.7µFor greater(withouttheneedforanyexternalseriesresistor). Althoughceramiccapacitorsarerecommended,lowESR tantalumcapacitorsmaybeusedaswell. Asmallceramiccapacitorinparallelwithalargertantalum capacitormaybeusedindemandingapplicationsthathave largeloadtransients.Anothermethodofimprovingthe transientresponseistoaddasmallfeed-forwardcapacitor acrossthetopresistorofthefeedbackdivider(fromVOUT toFB).Atypicalvalueof22pFwillgenerallysuffice. LowESRinputcapacitorsreduceinputswitchingnoise andreducethepeakcurrentdrawnfromthebattery.It followsthatceramiccapacitorsarealsoagoodchoice forinputdecouplingandshouldbelocatedascloseas possibletothedevice.A2.2µFinputcapacitorissufficient for most applications, although larger values may be usedwithoutlimitations.Table2showsalistofseveral ceramiccapacitormanufacturers.Consultthemanufactur- ersdirectlyfordetailedinformationontheirselectionof ceramiccapacitors. Table 2. Capacitor Vendor Information SUPPLIER PHONE WEBSITE AVX (803)448-9411 www.avxcorp.com Murata (714)852-2001 www.murata.com Taiyo-Yuden (408)573-4150 www.t-yuden.com TDK (847)803-6100 www.component.tdk.com Samsung (408)544-5200 www.sem.samsung.com ApplicAtions inForMAtion |
Similar Part No. - LTC3526B-2_15 |
|
Similar Description - LTC3526B-2_15 |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
