t

T

F = 1/T

= t/T

PWM

Fig. 1 : SNUBBER DIODE.

TOTAL LOSSES

due to the diode

P = P1+ P2+ P3+ P4 Watts

SWITCHING

LOSSES

OFF : P3 Watts

ON : P4 Watts

(Fig. 6 & 7)

CONDUCTION

LOSSES

P1 Watts

(Fig. 5)

REVERSE

LOSSES

P2 Watts

(Fig. 5)

The TURBOSWITCH ”B” is especially designed to

provide the lowest overall power losses in any

application such as snubbing,clamping, demagne-

tization and rectification. In such applications (fig.1

to fig.4), the way of calculating the power losses is

given below :

APPLICATION DATA

Fig. 3 : DEMAGNETIZING DIODE.

PWM

t

T

F = 1/T

= t/T

Fig. 2 : CLAMPING DIODE.

Fig. 4 : RECTIFIER DIODE.

®

STTB3006P(I)

3/6