參數(shù)資料
型號: STTA812
英文描述: TURBOSWITCH - ULTRA-FAST HIGH VOLTAGE DIODE
中文描述: TURBOSWITCH -超快速高壓二極管
文件頁數(shù): 7/10頁
文件大?。?/td> 220K
代理商: STTA812
STTA812D/DI/G
7/10
Turn-on
losses :
(in the transistor, due to the diode)
P5 =V
I
S
F
x dI
I
x dI
dt
S
dt
R
RM
F
×
×
×
+
×
×
2
3
2
6
×
(
)
+
×
+
×
V
I
F
R
RM
L
F
(
)
2
2
Turn-off
losses (in the diode) :
P3 =V
I
S
dt
F
x dI
R
RM
F
×
×
×
2
6
Turn-off
losses :
(with non negligible serial inductance)
P3’ =V
I
x dI
I
RM
2
S
dt
F
F
R
RM
F
2
×
×
×
+
2
6
×
L
×
P3,P3’ and P5 are suitable for power MOSFET
and IGBT
Fig. F:
TURN-OFF CHARACTERISTICS
IF
VF
VFp
1.1VF
VF
dIF
0
0
t
t
IFmax
tfr
Fig. G:
TURN-ON CHARACTERISTICS
Turn-on
losses :
P4 = 0.4 (V
FP
- V
F
) . I
Fmax
. t
fr
. F
APPLICATION DATA (Cont’d)
dI
F
/dt = V
R
/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
dIF
dIR
tb
ta
IRM
VR
DIODE
I
V
t
trr = ta + tb
S = tb / ta
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STTA812G 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE