Coupled Inductors
Document 752-1
Coupled Inductors – LPR6235
For Step-Up, Resonant & Flyback Applications
• Can be used as step-up or ...
Description
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 rugged, low cost design. Custom inductance values and turn ratios may be available upon request.
Primary (L1) DCR max SRF Part Turns inductance2 (Ohms) 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 1300 1.3 0.20 72 580 0.7 0.085 200 360 0.9 0.085 275 257 1.6 0.085 316 230 1.6
C VIN D C
D Sync Rectifier
VOUT
L1
L2
C
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 ...
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