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Calculation: Sync Buck Converter

Enter Converter Data
Vin [V]: Cin [F]: ESRin [Ω]: Vout [V]: Iout [A]:
Lout [H]: Cout [F]: ESRout [Ω]: fsw [Hz]: N1 [Q1 // FETs]:
N2 [Q2 // FETs]:

Enter Gate Driver Data
Vgdrive [V]: Rg_Ext [Ω]: Rpu [Ω]: Rpd [Ω]: Tdead [s]:

Enter Thermal Data
TJ_Q1 [°C]: TJ_Q2 [°C]: RthCA_Q1 [°C/W]: RthCA_Q2 [°C/W]: TempCoeff [Rdson-TC Default]:


Select Your Power Devices
Use parametric data from datasheet tables        Add measurement data from datasheet graphs
VDS [V] Material
RDSON [Ohm] - Qualification
Package Area [mm2] - Mounting



   OR   

VDS [V] Material
RDSON [Ohm] - Qualification
Package Area [mm2] - Mounting



   OR   


Converter Steady State Waveforms (assuming ideal switches)


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  • STEP-1
  • STEP-2
  • STEP-3
  • STEP-4



Loading.. ILav, IL Vs. Time
IL_RMS = 5.002 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. Iin, ICin Vs. Time
Iin_RMS = 2.612 A
ICin_RMS = 2.257 A


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 17.911 V
Q1_IDS_RMS = 2.616 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 8.983 V
Q2_IDS_RMS = 4.470 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 17.911 V
Q2_VDS_RMS = 8.983 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 2.616 A
Q2_IDS_RMS = 4.470 A


Loading.. PowerLoss Vs. Time