SOLUTIONS | Planar Transformers & Inductors SIZE 560 3kW-10kW DESIGN EXAMPLE TRANSFORMER DESIGN | EXAMPLE - PQC1901 (U.S. PAT. 7,460,002) ui z o !< LJ LL-LJ LU CL cn —1 < lj a: i— LJ LU —I LU Topology Half Bridge ZVS Output Voltage/Current After Rectification 6144W Max. (24VDC/256A) Turns Ratio - Np/Ns 20T/1T + 1T Efficiency At Full Power (Calculated) 99.24% (47W Losses) Ambient Temp. Max. (Transfer clamped to heatsink) +85°C *Heatsink Provided By Customer Temperature Rise Hot Spot Heatsink, Max.* +37.6°C Minimum Isolation Voltage Primary To Secondary And Core 3000VDC Leakage Inductance 1-2/3-4-5 Shorted, Typ. 3pH NOTES: 1) FOR OPTIMAL PERFORMANCE A THERMALLY CONDUCTIVE SUBSTRATE BETWEEN FERRITE AND HEATSINK SHOULD BE UTILIZED 2) PATENTED TERMINALS AVAILABLE FOR SPLITTING HIGH CURRENT WINDING 3) CUSTOM TERMINALS CAN BE DESIGNED AND OPTIMIZED

SOLUTIONS | Planar Transformers & Inductors TRANSFORMER DESIGN | EXAMPLE - PQC2123 SIZE 560 3kW-10kW DESIGN EXAMPLE ELECTRICAL SPECIFICATIONS Topology Full Bridge ZVT Output Voltage/Current After Rectification 12kW max. (500VDC/24ADC) Output Voltage/Current After Rectification 28.4VDC/83A, 100A Surge Turns Ratio - Np/Ns 15T/10T Duty Cycle At Low Input Voltage Max. 99.0% Efficiency At Full Power (Calculated) 99.3% (87.4W Losses) External Heatsink Temperature Max. +45°C Temp. Rise Hot Spot External Heatsink1, Max. +69.9°C Minimum Isolation Voltage Primary To Secondary And Core 5700VAC for 1sec...

SOLUTIONS | Planar Transformers & Inductors TRANSFORMER DESIGN | EXAMPLE - PQC2116 co z o Topology Full Bridge ZVS Input Voltage Np1 = 12 Turns (1-2) 350-630VDC Input Voltage Np2 = 16 Turns (1-3) 500-820VDC Output Voltage/Current After Rectification 28VDC/250A (7kW) Efficiency At Full Power (Calculated) 99.2% (55W losses) External Heatsink Temperature Max. +65°C *Transformer Clamped To Heatsink Temp. Rise Hot Spot External Heatsink*, Max. +44°C Minimum Isolation Voltage Primary To Secondary And Core 2700VAC Primary Resistance, Rdc, Np,1 (1-2)/Np2 (1-3), Max. 14/18mOhm Secondary Resistance, Rdc,...

SOLUTIONS | Planar Transformers & Inductors INDUCTOR DESIGN | EXAMPLE - PQC2112 (U.S. PAT. 7, 460,002) SIZE 560 3kW-10kW DESIGN EXAMPLE ELECTRICAL SPECIFICATIONS Inductance At Rated Current 100pH ±10% Rated Current (Ave. ±12.5A Ripple) 32ADC +3App Minimum Isolation Voltage (Winding To Core) 2500VDC Temp. Rise Hot Spot Baseplate, Max. +46°C Total Losses At Max. Current 28.7W NOTES: 1) FOR OPTIMAL PERFORMANCE A THERMALLY CONDUCTIVE SUBSTRATE BETWEEN FERRITE AND HEATSINK SHOULD BE UTILIZED 2) PATENTED TERMINALS AVAILABLE FOR SPLITTING HIGH CURRENT WINDING 3) CUSTOM TERMINALS CAN BE DESIGNED AND...