APPLICATION DATA
The 1200V TURBOSWITCH series has been
designed to provide the lowest overall power
losses in all high frequency or high pulsed current
operations. In such applications (Fig A to D),the
way of calculating the power losses is given below :
STTA1512P/PI
TOTAL LOSSES
due to the diode
P = P1+ P2+ P3+ P4+ P5 Watts
roduct(s)) CONDUCTION
P t(s LOSSES
lete uc in the diode
REVERSE
LOSSES
in the diode
SWITCHING
LOSSES
in the diode
SWITCHING
LOSSES
in the tansistor
due to the diode
ct(s) - Obbssoolete Prod Fig. A : “FREEWHEEL” MODE.
rodu - O SWITCHING
P t(s) TRANSISTOR
solete roduc IL
DIODE:
b P TURBOSWITCH
O solete VR
tp
Ob T
F = 1/T
δ = tp/T
LOAD
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