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STTA306B 数据表(PDF) 6 Page - STMicroelectronics

部件名 STTA306B
功能描述  TURBOSWITCHTM ULTRA-FAST HIGH VOLTAGE DIODE
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STTA306B 数据表(HTML) 6 Page - STMicroelectronics

  STTA306B Datasheet HTML 1Page - STMicroelectronics STTA306B Datasheet HTML 2Page - STMicroelectronics STTA306B Datasheet HTML 3Page - STMicroelectronics STTA306B Datasheet HTML 4Page - STMicroelectronics STTA306B Datasheet HTML 5Page - STMicroelectronics STTA306B Datasheet HTML 6Page - STMicroelectronics STTA306B Datasheet HTML 7Page - STMicroelectronics STTA306B Datasheet HTML 8Page - STMicroelectronics  
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background image
I
I F
Rd
I R
V R
Vto
V F
V
Fig. B : STATIC CHARACTERISTICS
Conduction losses :
P1 = Vto x IF(AV) + Rd x IF
2
(RMS)
Reverse losses :
P2 = VR x IR x (1 -
δ)
APPLICATION DATA (Cont’d)
Turn-on losses :
(in the transistor, due to the diode)
P5 =
VR
× IRM 2 × (3 + 2 × S)
× F
6 x dIF
⁄ dt
+
VR
× IRM × IL × (S + 2) × F
2
× dIF ⁄ dt
Turn-off losses (in the diode) :
P3 =
VR
× IRM 2 × S
× F
6 x dIF
⁄ dt
P3 and P5 are suitable for power MOSFET and
IGBT
Fig. C : TURN-OFF CHARACTERISTICS
dI
F /dt = VR /L
dI /dt
R
tb
ta
I
RM
V
R
I
V
t
S= tb/ta
trr = ta + tb
RECTIFIER
OPERATION
V
I
IL
t
TRANSISTOR
dI /dt
F
dI /dt
R
tb
ta
I RM
VR
DIODE
I
V
t
trr = ta + tb
S = tb / ta
STTA306B
6/8



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