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MSC1278-103ML_ coupled inductors are designed with high leakage inductance
Description:
The MSC1278 coupled inductors are designed with
high leakage inductance for use in SEPIC applications.
The loosely coupled windings (K ≈ 0.8) improve SEPIC
efficiency by reducing circulating current and provide
twice the ripple current reduction of separate inductors.
These inductors offer high efficiency and excellent current
handling in a rugged, low cost part. They are well
suited for use as a VRM inductors in high-current DC-DC
converters and VRM/VRD controllers.
They can also be used as two single inductors connected
in series or parallel.
| Part number | Inductance (μH) | DCR max (mOhms) | SRF typ (MHz) | Coupling coefficient typ | Leakage inductance typ (μH) | Isat (A) | Irms (A) | |||
| 10% drop | 20% drop | 30% drop | both windings | one windings | ||||||
| MSC1278-103ML_ | 10 ±20% | 0.058 | 20 | 0.80 | 2.75 | 8.80 | 10.0 | 10.66 | 2.56 | 3.62 |
| MSC1278-223KL_ | 22 ±10% | 0.096 | 12 | 0.82 | 5.85 | 6.00 | 6.80 | 7.26 | 1.99 | 2.81 |
| MSC1278-333KL_ | 33 ±10% | 0.15 | 9.5 | 0.85 | 10.1 | 5.50 | 6.10 | 6.52 | 1.59 | 2.25 |
| MSC1278-473KL_ | 47 ±10% | 0.18 | 7.8 | 0.83 | 14.5 | 3.70 | 4.34 | 4.60 | 1.45 | 2.05 |
MSC1278-103ML_ coupled inductors are designed with high leakage inductance
Shape and Dimensions:
