STTA306B 查看數據表（PDF） - STMicroelectronics

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STTA306B

TURBOSWITCH™ ULTRA-FAST HIGH VOLTAGE DIODE

STMicroelectronics 

APPLICATION DATA

The TURBOSWITCHTM is especially designed to

provide the lowest overall power losses in any

Freewheel Mode application (see fig. A) consider-

ing both the diode and the companion transistor,

thus optimizing the overall performance in the end

application.

STTA306B

The way of calculating the power losses is given

below :

TOTAL LOSSES

due to the diode

P = P1+ P2+ P3+ P4+ P5 Watts

CONDUCTION

LOSSES

in the diode

REVERSE

LOSSES

in the diode

SWITCHING

LOSSES

in the diode

SWITCHING

LOSSES

in the transistor

due to the diode

Fig. A : "FREEWHEEL" MODE

SWITCHING

TRANSISTOR

DIODE:

TURBOSWITCH

VR

tp

T

F = 1/T δ = tp/T

IL

LOAD

5/8

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