STTA2512 查看數據表（PDF） - STMicroelectronics

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STTA2512

TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE

STMicroelectronics 

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 :

STTA2512P / STTA5012TV1/2

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 tansistor

due to the diode

Fig. A : ”FREEWHEEL” MODE.

SWITCHING

TRANSISTOR

DIODE:

TURBOSWITCH

VR

tp

T

F = 1/T

δ = tp/T

IL

LOAD

5/9

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