參數(shù)資料
型號: STTA112U
廠商: 意法半導(dǎo)體
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): 7/8頁
文件大?。?/td> 73K
代理商: STTA112U
IF
VF
VFp
1.1VF
VF
dIF
0
0
t
t
IFmax
tfr
Fig.G :
TURN-ONCHARACTERISTICS.
Turn-on
losses:
P4 = 0.4 (V
FP
- V
F
) x I
Fmax
x t
fr
xF
Turn-on
losses:
(in the transistor,due to thediode)
P5 =V
R
×
I
RM
2
×
(
3
+
2
×
S
)
F
6 x dI
F
dt
+V
R
×
I
RM
×
I
L
×
(
S
+
2
)
×
F
2
×
d
IF
dt
Turn-off
losses:
P3=V
R
×
I
RM
2
×
×
S
×
F
6 x
dI
F
dt
Turn-off
losses :
withnon negligibleserial inductance
P3’=V
R
×
I
RM
2
×
S
×
F
6 x dI
F
dt
+
L
×
I
RM
2
×
F
2
P3, P3’ and P5 are suitable for power MOSFET
andIGBT
Fig.F :
TURN-OFF CHARACTERISTICS.
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
dI
/dt
F
dI
/dt
R
tb
ta
IRM
VR
DIODE
I
V
t
trr = ta + tb
S = tb / ta
APPLICATIONDATA (Cont’d)
STTA112U
7/8
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