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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

Application example

for Hexa-Path – Forward

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Formulas used to calculate electrical characteristics

Connecting windings in series:

Connecting windings in parallel:

Create a 130 Watt, 1:1, two switch forward converter transformer

Choose HPH6-2400L
Vin = 36 – 57 Vdc; Vout = 12 V, 10.8 A

 
Part number Inductance (µH) Percent Tolerance DCR max (Ω) Volt-time product (V-µs) Irms (A)
HPH6-2400L_ 194 25 0.03 131.9 2.9

Connecting primary windings in parallel:
When primary windings (Wpri) are connected in parallel, DCR
decreases, Irms increases, and inductance and volt-time product remain the same.

Example: For HPH6-2400L, connect three primary windings in parallel:
  • Inductance = Inductance(table) = 194 μH
  • DCR = 1 ÷ [Wpri × (1 ÷ DCR(table))] = 1 ÷ [(3 × (1 ÷ 0.030]) = 0.010 Ohms
  • VT = VT(table) = 131.9 V-μsec
  • Irms = Irms(table) × Wpri = 2.90 × 3 = 8.70 A
hexa-p1.gif

Connecting secondary windings in parallel:
When secondary windings (Wsec) are connected in parallel, DCR decreases and Irms increases.

Example: For HPH6-2400L, connect three secondary windings in parallel: