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參數(shù)資料
| 型號(hào)： | LTC3526LEDC#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.55 A SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大小： | 339K |
| 代理商： | LTC3526LEDC#PBF |
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LTC3526L/LTC3526LB
3526lfc
losses,andmustbeabletosupportthepeakinductor
current without saturating. Molded chokes and some
chipinductorsusuallydonothaveenoughcoreareato
supportthepeakinductorcurrentof750mAseenonthe
LTC3526L/LTC3526LB.Tominimizeradiatednoise,usea
shieldedinductor.SeeTable1forsuggestedcomponents
andsuppliers.
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.A
4.7Fto10Foutputcapacitorissufficientformostap-
plications.Largervaluesmaybeusedtoobtainextremely
lowoutputvoltagerippleandimprovetransientresponse.
X5RandX7Rdielectricmaterialsarepreferredfortheir
ability to maintain capacitance over wide voltage and
temperatureranges.Y5Vtypesshouldnotbeused.
The internal loop compensation of the LTC3526L/LT-
C3526LBaredesignedtobestablewithoutputcapaci-
torvaluesof4.7Forgreater(withouttheneedforany
external series resistor). Although ceramic capacitors
arerecommended,lowESRtantalumcapacitorsmaybe
usedaswell.
Asmallceramiccapacitorinparallelwithalargertantalum
capacitormaybeusedindemandingapplicationsthathave
largeloadtransients.Anothermethodofimprovingthe
transientresponseistoaddasmallfeed-forwardcapacitor
acrossthetopresistorofthefeedbackdivider(fromVOUT
toFB).Atypicalvalueof22pFwillgenerallysuffice.
LowESRinputcapacitorsreduceinputswitchingnoise
andreducethepeakcurrentdrawnfromthebattery.It
followsthatceramiccapacitorsarealsoagoodchoice
forinputdecouplingandshouldbelocatedascloseas
possibletothedevice.A2.2Finputcapacitorissufficient
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
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| LTC3527EUD-1#TR | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
| LTC3528EDDB-2#TRPBF | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO8 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3526LEDC-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3527 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up |
| LTC3527-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD#PBF | 功能描述:IC REG BOOST SYNC ADJ DL 16QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
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