参数资料
型号: STTA9012TV2
厂商: STMICROELECTRONICS
元件分类: 整流器
英文描述: 45 A, 1200 V, SILICON, RECTIFIER DIODE
封装: PLASTIC, ISOTOP-4
文件页数: 7/8页
文件大小: 300K
代理商: STTA9012TV2
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
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
x dIF
dt
Turn-off losses (in the diode) :
P3 =
VR
× IRM 2 × S
× F
6
x dIF
dt
Turn-off losses :
(with non negligible serial inductance)
P3’ =
VR
× IRM 2 × S
× F
6
x dIF
dt
+
L
× IRM 2 × F
2
P3,P3’ and P5 are suitable for power MOSFET and
IGBT
Fig. F: TURN-OFF CHARACTERISTICS
I F
V F
V Fp
1.1V F
V F
F
dI /dt
0
0t
t
I Fmax
tfr
Fig. G: TURN-ON CHARACTERISTICS
Turn-on losses :
P4 = 0.4 (VFP - VF) . IFmax . tfr . F
APPLICATION DATA (Cont’d)
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
STTA9012TV1/2
7/8
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