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MSC1278-223KL Datasheet

Part Number MSC1278-223KL
Manufacturers Coilcraft
Logo Coilcraft
Description Coupled Inductors
Datasheet MSC1278-223KL DatasheetMSC1278-223KL Datasheet (PDF)

Document 922-1 Coupled Inductors–MSC1278 For SEPIC Applications 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-.

  MSC1278-223KL   MSC1278-223KL






Coupled Inductors

Document 922-1 Coupled Inductors–MSC1278 For SEPIC Applications 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. 01.428,34max 01.428,34max 123 X Dot indicates pin1 Dash number Internal code 0.317 8,05 max 0.197 5,0 0.197 5,0 34 21 0.138 3,5 0.059 1,5 Dimensions are in inches mm Recommended Land Pattern 0.157 4,0 0.217 5,5 2 1 0.177 3 4 4,5 0.079 2,0 12 L1 L2 34 1:1 + L1 VIN Q1 C1 L2 D1 + C2 + Load VOUT –– Typical SEPIC schematic Refer to Application Note, Document 639, “Selecting Coupled Inductors for SEPIC Applications.” Visit http://www.coilcraft.com/apps/sepic/selector_2.cfm for the Coilcraft on-line SEPIC Inductor Selector tool. Core material Ferrite Core and winding loss  Go to online calculator Terminations  RoHS compliant matte tin over nickel over phos bronze. Other terminations available at additional cost. Ambient temperature  –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature  Component: –40°C to +125°C. Ta.


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