STTA212S 查看數據表（PDF） - STMicroelectronics
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STTA212S Datasheet PDF : 8 Pages
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APPLICATION DATA
The 1200V TURBOSWITCH has been designed
to provide the lowest overall power losses in any all
high frequency or high pulsed current operations.
STTA212S
In such applications (fig. A to D), 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
t
T
F = 1/T = t/T
IL
LOAD
5/8
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