STD70N02L Datasheet, PDF (10/17 Pages) STMicroelectronics – N-channel 24V - 0.0068ohm - 60A - DPAK - IPAK STripFET TM III Power MOSFET

STD70N02L - STD70N02L-1
Table 7.
Power losses
High side switch (SW1)
P_conduction
R_DS(on) • I_L2 • δ
Low side switch (SW2)
R_DS(on) • I_L2 • (1 – δ)
P_switching
V_in • (Q_gsth(SW1) + Q_gd(SW1) ) • f • _I-^I-^Lg-
P_diode
recovery
conduction
Not applicable
Not applicable
P_gate(Qg)
P_Qoss
Q_g(SW1) • V_gg • f
V_-----i-n----•_-----Q_{----o---s--2-s---(-S----W-----1---)---}•_----f
Zero voltage switching
1_{Vin • Qrr(SW2) • f}
V_f(SW2) • I_L • t_deadtime • f
Q_gls(SW2) • V_gg • f
-^V----ⁱ-ⁿ----^•----^Q-----^o---^s-₂--^s---⁽--^S---^W-----²---⁾---^•----^f
Table 8. Power losses parameters
Paramter
Meaning
d
Q_gsth
Q_gls
Pconduction
Pswitching
Pdiode
Pgate
P_Qoss
Duty-cycle
Post threshold gate charge
Third quadrant gate charge
On state losses
On-off transition losses
Conduction and reverse recovery diode losses
Gate driver losses
Output capacitance losses
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