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Calculation: Buck Converter

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

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

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

Enter Diode Data
VF_D1 [V]: Qrr_D1 [C]:


Select Your Power Devices
Use parametric data from datasheet tables        Add measurement data from datasheet graphs

Select Mosfet Part [Q1]

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



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]


Converter Steady State Waveforms (assuming ideal switches)


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  • STEP-1
  • STEP-2



Loading.. ILav, IL Vs. Time
IL_RMS = 5.003 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. Iin, ICin Vs. Time
Iin_RMS = 3.393 A
ICin_RMS = 2.619 A


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 30.052 V
Q1_IDS_RMS = 3.403 A


Loading.. PowerLoss Vs. Time