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PDF LPR6235 Data sheet ( Hoja de datos )
| Número de pieza | LPR6235 | |
| Descripción | Coupled Inductors | |
| Fabricantes | Coilcraft | |
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Document 752-1
Coupled Inductors –
LPR6235
For Step-Up, Resonant
& Flyback Applications
• Can be used as step-up or flyback transformers in DC-DC
converters or as autotransformers
• Perfect for low voltage step-up in energy harvesting applications
• Selected by Linear Technology for the LTC3108 and LTC3109
Ultralow Voltage Step-Up Converter and Power Managers
These shielded parts are only 3.5 mm high and 6 mm
square. The excellent coupling coefficient (k = 0.95)
makes them ideal for use in a variety of applications.
They can be used as flyback transformers and step-up
pulse transformers.
The high Isat and low DCR ratings of these parts provide
high efficiency and excellent current handling in a rug-
ged, low cost design.
Custom inductance values and turn ratios may be avail-
able upon request.
Primary (L1)
Part Turns inductance2
DCR max
(Ohms)
SRF
typ3
Isat4
number1 ratio ±20% (µH) L1 L2 (kHz) (A)
LPR6235-253LML_ 1 : 10
LPR6235-253PML_ 1 : 20
LPR6235-123QML_ 1 : 50
LPR6235-752RML_ 1 : 90
LPR6235-752SML_ 1 : 100
25
25
12.5
7.5
7.5
0.74 13.7
0.20 72
0.085 200
0.085 275
0.085 316
1300
580
360
257
230
1.3
0.7
0.9
1.6
1.6
1. When ordering, please specify packaging code:
LPR6235-253PMLC
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape
(350 parts per full reel).
B = Less than full reel. In tape, but not machine ready. To
have a leader and trailer added ($25 charge), use code
letter D instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (1500 parts per full
reel).
2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP
4284A LCR meter or equivalent.
3. SRF measured using an Agilent/HP 4191A or equivalent.
4. DC current applied to L1, at which the inductance drops 10% from its value
without current.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
VIN
C
+
VIN
–
C
D
L1 L2
C
D
Sync
Rectifier
Typical Step-Up Converter
L1
C
PWM
D
L2 C
TypicalFlyback Converter
VOUT
+
VOUT
–
Document 752-1 Revised 10/07/11
Free Datasheet http://www.datasheet4u.net/
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet LPR6235.PDF ] | |
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