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LPR6235-123QML 其他数据使用手册 - Coilcraft(线艺)
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LPR6235-123QML数据手册
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Document 752-1
Coupled Inductors
–
LPR6235
Document 752-1 Revised 10/07/11
• Canbeusedasstep-uporybacktransformersinDC-DC
convertersorasautotransformers
• Perfectforlowvoltagestep-upinenergyharvestingapplications
• SelectedbyLinearTechnologyfortheLTC3108andLTC3109
UltralowVoltageStep-UpConverterandPowerManagers
Primary (L1)
DCR max
SRF
Part Turns
inductance
2
(Ohms)
typ
3
Isat
4
number
1
ratio ±20% (µH) L1 L2 (kHz) (A)
LPR6235-253LML_ 1 : 10 25 0.74 13.7 1300 1.3
LPR6235-253PML_ 1
: 20 25 0.20 72 580 0.7
LPR6235-123QML_1
: 50 12.5 0.085 200 360 0.9
LPR6235-752RML_ 1
: 90 7.5 0.085 275 257 1.6
LPR6235-752SML_ 1
: 100 7.5 0.085 316 230 1.6
1. Whenordering,pleasespecifypackaging code:
LPR6235-253PMLC
Packaging: C = 7″machine-readyreel.EIA-481embossedplastictape
(350partsperfullreel).
B=Lessthanfullreel.Intape,butnotmachineready.To
havealeaderandtraileradded($25charge),usecode
letterDinstead.
D= 13″machine-readyreel.EIA-481embossedplastic
tape.Factoryorderonly,notstocked(1500partsperfull
reel).
2. Inductanceismeasuredat100kHz,0.1Vrms,0AdconanAgilent/HP
4284ALCRmeterorequivalent.
3. SRFmeasuredusinganAgilent/HP4191Aorequivalent.
4. DCcurrentappliedtoL1,atwhichtheinductancedrops10%fromitsvalue
withoutcurrent.
5.Electricalspecicationsat25°C.
RefertoDoc362“SolderingSurfaceMountComponents”beforesoldering.
Theseshieldedpartsareonly3.5mmhighand6mm
square. The excellent coupling coefcient (k = 0.95)
makesthem ideal for use ina variety ofapplications.
Theycanbeusedasybacktransformersandstep-up
pulsetransformers.
ThehighIsatandlowDCRratingsofthesepartsprovide
highefciencyandexcellentcurrenthandlinginarug-
ged,lowcostdesign.
Custominductancevaluesandturnratiosmaybeavail-
ableuponrequest.
For Step-Up, Resonant
& Flyback Applications
L1
L1
L2
L2
++
–
–
D
D
D
C
C
C
C
PWM
C
TypicalFlyback Converter
Typical Step-Up Converter
V
OUT
V
OUT
V
IN
V
IN
Sync
Rectifier
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