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| STD70NH02L Datasheet, PDF (10/16 Pages) STMicroelectronics – N-CHANNEL 24V - 0.0062 Ohm - 60A IPAK/DPAK STripFET II Power MOSFET | |||
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Appendix A
STD70NH02L - STD70NH02L-1
Table 6.
Power losses calculation
High side switching (SW1)
Pdiode
Recovery
(1)
Conductio
n
Not applicable
Not applicable
Low side switch (SW2)
Vin * Qrr(SW2) * f
Vf(SW2) * IL * t deadtime * f
Pgate(QG)
Qg(SW1) * Vgg * f
Qgls(SW2) * Vgg * f
PQoss
Vin * Qoss(SW1) * f
2
1. Dissipated by SW1 during turn-on
Vin * Qoss(SW2) * f
2
Table 7. Paramiters meaning
Parameter
Meaning
d
Qgsth
Qgls
Pconduction
Pswitching
Pdiode
Pgate
Duty-cycle
Post threshold gate charge
Third quadrant gate charge
On state losses
On-off transition losses
Conduction and reverse recovery diode losses
Gate drive losses
PQoss
Output capacitance losses
10/16
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