TOTAL LOSSES

due to the diode

P = P1+ P2+ P3+ P4+ P5

Watts

SWITCHING

LOSSES

in the diode

CONDUCTION

LOSSES

in the diode

SWITCHING

LOSSES

in the transistor

due to the diode

REVERSE

LOSSES

in the diode

The 1200V TURBOSWITCH has been designed

to provide the lowest overall power losses in any 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 :

APPLICATION DATA

Fig. A : ”FREEWHEEL” MODE

DIODE:

TURBOSWITCH

IL

LOAD

TRANSISTOR

SWITCHING

t

T

F= 1/T

= t/T

VR

STTA212S

5/8