ETC STTA812

STTA812D/DI/G
®
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
MAIN PRODUCT CHARACTERISTICS
IF(AV)
8A
VRRM
1200V
trr (typ)
50ns
VF (max)
2.0V
K
A
A
K
K
TO-220AC Ins.
STTA812DI
TO-220AC
STTA812D
FEATURES AND BENEFITS
■
■
■
■
■
ULTRA-FAST, SOFT RECOVERY.
VERY LOW OVERALL POWER LOSSES IN
BOTH THE DIODE AND THE COMPANION
TRANSISTOR.
HIGH FREQUENCY AND/OR HIGH PULSED
CURRENT OPERATION.
HIGH REVERSE VOLTAGE CAPABILITY
INSULATED PACKAGE : TO-220AC Ins.
Electrical insulation : 2500VRMS
Capacitance : 7pF.
K
A
NC
D2PAK
STTA812G
DESCRIPTION
TURBOSWITCH 1200V drastically cuts losses in
all high voltage operations which require extremely
fast, soft and noise-free power diodes. Due to their
optimized switching performances they also highly
decrease power losses in any associated
switching IGBT or MOSFET in all “freewheel
mode” operations.
They are particularly suitable in motor control
circuitries, or in the primary of SMPS as snubber,
clamping or demagnetizing diodes. They are also
suitable for secondary of SMPS as high voltage
rectifier diodes.
ABSOLUTE RATINGS (limiting values)
Symbol
Parameter
VRRM
Repetitive peak reverse voltage
VRSM
Non repetitive peak reverse voltage
IF(RMS)
RMS forward current
Value
Unit
1200
V
1200
V
TO-220AC/ D2PAK
30
A
TO-220AC Ins.
20
A
IFRM
Repetitive peak forward current
tp = 5 µs F = 5kHz square
110
A
IFSM
Surge non repetitive forward current
tp = 10ms sinusoidal
70
A
Tstg
Storage temperature range
- 65 to + 150
°C
150
°C
Tj
Maximum operating junction temperature
TURBOSWITCH is a trademark of STMicroelectronics.
May 2002 - Ed: 5C
1/10
STTA812D/DI/G
THERMAL AND POWER DATA
Symbol
Rth(j-c)
P1
Pmax
Parameter
Conditions
2
Value
Unit
2.3
3.3
°C/W
Junction to case thermal
resistance
TO-220AC/D PAK
TO-220AC Ins.
Conduction power dissipation
IF(AV) = 8A δ =0.5
TO-220AC/D2PAK
TO-220AC Ins.
Tc= 105°C
Tc= 85°C
19.5
W
Total power dissipation
Pmax = P1 + P3 (P3 = 10%
P1)
TO-220AC/D2PAK
TO-220AC Ins.
Tc= 100°C
Tc= 79°C
21.5
W
STATIC ELECTRICAL CHARACTERISTICS
Symbol
VF
IR
*
**
Vto
rd
Test pulses :
Parameter
Test conditions
Forward voltage drop
Reverse leakage current
Threshold voltage
Typ
Max
Unit
Tj = 25°C
Tj = 125°C
1.35
2.2
2.0
V
V
VR =0.8 x
VRRM
Tj = 25°C
Tj = 125°C
0.6
100
4
µA
mA
Ip < 3.IAV
Tj = 125°C
1.57
V
54
mΩ
Max
Unit
IF =8A
Min
Dynamic parameter
* tp = 380 µs, δ < 2%
** tp = 5 ms , δ < 2%
To evaluate the maximum conduction losses use the following equation :
P = Vto x IF(AV) + rd x IF2(RMS)
DYNAMIC ELECTRICAL CHARACTERISTICS
TURN-OFF SWITCHING
Symbol
Parameter
trr
Reverse recovery
time
IRM
S factor
Maximum reverse
recovery current
Softness factor
Test conditions
Min
ns
Tj = 25°C
IF = 0.5 A
IR = 1A
Irr = 0.25A
IF = 1 A dIF/dt =-50A/µs VR =30V
Tj = 125°C VR = 600V
dIF/dt = -64 A/µs
dIF/dt = -500 A/µs
Tj = 125°C VR = 600V
dIF/dt = -500 A/µs
Typ
50
100
IF = 8A
A
12
25
IF = 8A
1.2
TURN-ON SWITCHING
Symbol
tfr
VFp
2/10
Parameter
Forward recovery time
Peak forward voltage
Test conditions
Min
Typ
Tj = 25°C
IF =8 A, dIF/dt = 64 A/µs
measured at 1.1 × VFmax
Tj = 25°C
IF =8A, dIF/dt = 64 A/µs
IF =40A, dIF/dt = 500 A/µs
Max
Unit
ns
900
V
35
45
STTA812D/DI/G
Fig. 1: Conduction losses versus average current.
Fig. 2: Forward voltage drop versus forward current (maximum values).
P1(W)
20
18
16
14
12
10
8
6
4
2
0
IFM(A)
δ = 0.2
δ = 0.1
100.0
δ = 0.5
Tj=125°C
δ=1
10.0
1.0
VFM(V)
IF(av) (A)
0
2
4
6
8
10
Fig. 3: Relative variation of thermal impedance
junction to case versus pulse duration.
0.1
0.0
1.0
2.0
3.0
4.0
5.0
Fig. 4: Peak reverse recovery current versus
dIF/dt (90% confidence).
Zth(j-c)/Rth(j-c)
IRM(A)
1.0
50
0.8
40
0.6
30
VR=600V
Tj=125°C
IF=2*IF(av)
IF=IF(av)
δ = 0.5
20
0.4
IF=0.5*IF(av)
δ = 0.2
0.2
10
δ = 0.1
tp(s)
Single pulse
0.0
1E-4
1E-3
dIF/dt(A/µs)
1E-2
1E-1
1E+0
Fig. 5: Reverse recovery time versus dIF/dt (90%
confidence).
0
0
200
300
400
500
Fig. 6: Softness factor (tb/ta) versus dIF/dt (typical
values).
trr(ns)
550
500
450
400
350
300
250
200
150
100
50
0
100
S factor
1.40
VR=600V
Tj=125°C
VR=600V
IF<2*IF(av)
Tj=125°C
IF=2*IF(av)
1.20
IF=IF(av)
1.00
IF=0.5*IF(av)
dIF/dt(A/µs)
0
100
200
300
dIF/dt(A/µs)
400
500
0.80
0
100
200
300
400
500
3/10
STTA812D/DI/G
Fig. 7: Relative variation of dynamic parameters
versus junction temperature (reference Tj=125°C).
Fig.8: Transient peak forward voltage versus
dIF/dt (90% confidence).
VFP(V)
1.1
70
IF=IF(av)
Tj=125°C
60
S factor
1.0
50
40
0.9
IRM
30
20
0.8
10
Tj(°C)
0.7
25
50
0
75
100
125
Fig. 9: Forward recovery time versus dIF/dt (90%
confidence).
tfr(ns)
600
VFR=1.1*VF max.
IF=IF(av)
Tj=125°C
500
400
300
200
dIF/dt(A/µs)
100
0
4/10
100
200
300
400
500
dIF/dt(A/µs)
0
100
200
300
400
500
STTA812D/DI/G
APPLICATION DATA
The 1200V TURBOSWITCH series has been
designed to provide the lowest overall power
losses in all high frequency or high pulsed current
operations. 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
REVERSE
LOSSES
in the diode
CONDUCTION
LOSSES
in the diode
Watts
SWITCHING
LOSSES
in the diode
SWITCHING
LOSSES
in the tansistor
due to the diode
Fig. A: “FREEWHEEL” MODE.
SWITCHING
TRANSISTOR
DIODE:
TURBOSWITCH
IL
VR
t
T
F = 1/T
= t/T
LOAD
5/10
STTA812D/DI/G
Fig. B: SNUBBER DIODE.
Fig. C: DEMAGNETIZING DIODE.
PWM
t
T
F = 1/T
= t/T
Fig. D: RECTIFIER DIODE.
STATIC & DYNAMIC CHARACTERISTICS . POWER LOSSES .
Fig. E: STATIC CHARACTERISTICS
Conduction losses :
I
P1 = Vt0 . IF(AV) + Rd . IF2(RMS)
IF
Rd
Reverse losses :
VR
V
IR
6/10
V tO
VF
P2 = VR . IR . (1 - δ)
STTA812D/DI/G
APPLICATION DATA (Cont’d)
Fig. F: TURN-OFF CHARACTERISTICS
Turn-on losses :
(in the transistor, due to the diode)
V
IL
TRANSISTOR
I
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 x dI F dt
t
I
dI F /dt
DIODE
Turn-off losses (in the diode) :
ta tb
V
t
P3 =
dI R /dt
I RM
V R × I RM
2
× S × F
6 x dI F
dt
VR
trr = ta + tb
I
dIF /dt = VR /L
S = tb / ta
RECTIFIER
OPERATION
Turn-off losses :
(with non negligible serial inductance)
ta tb
V
t
IRM
dI R /dt
VR
trr = ta + tb
S = tb/ta
V R × I RM
× S ×F
+
6 x dI F dt
L × I RM 2 × F
2
P3,P3’ and P5 are suitable for power MOSFET
and IGBT
P3’ =
2
Fig. G: TURN-ON CHARACTERISTICS
IF
I Fmax
dI F /dt
0
t
VF
Turn-on losses :
P4 = 0.4 (VFP - VF) . IFmax . tfr . F
V Fp
VF
1.1V F
0
tfr
t
7/10
STTA812D/DI/G
PACKAGE DATA
TO-220AC Ins.
B
C
DIMENSIONS
b2
REF.
Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
L
A
15.20
15.90 0.598
0.625
F
a1
I
A
l4
c2
a1
l2
a2
b1
M
c1
e
■
■
Cooling method: by conduction (C)
Recommended torque value: 0.8 m.N
Maximum torque value: 1.0 m.N
8/10
0.147
13.00
14.00 0.511
0.551
B
10.00
10.40 0.393
0.409
b1
0.61
0.88 0.024
0.034
b2
1.23
1.32 0.048
0.051
C
4.40
4.60 0.173
0.181
c1
0.49
0.70 0.019
0.027
c2
2.40
2.72 0.094
0.107
e
4.80
5.40 0.189
0.212
F
6.20
6.60 0.244
0.259
I
3.75
3.85 0.147
0.151
I4
15.80 16.40 16.80 0.622 0.646 0.661
L
2.65
2.95 0.104
0.116
l2
1.14
1.70 0.044
0.066
M
■
3.75
a2
2.60
0.102
STTA812D/DI/G
PACKAGE DATA
D2PAK
DIMENSIONS
REF.
E
C2
D
L
L3
A1
B2
R
C
B
G
A2
M
*
V2
Inches
Min.
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
A1
2.49
2.69
0.098
0.106
A2
0.03
0.23
0.001
0.009
B
0.70
0.93
0.027
0.037
B2
1.14
1.70
0.045
0.067
C
0.45
0.60
0.017
0.024
C2
1.23
1.36
0.048
0.054
D
8.95
9.35
0.352
0.368
E
10.00
10.40
0.393
0.409
G
4.88
5.28
0.192
0.208
A
L2
Millimeters
L
15.00
15.85
0.590
0.624
L2
1.27
1.40
0.050
0.055
L3
1.40
1.75
0.055
0.069
M
2.40
3.20
0.094
0.126
R
V2
0.40 typ.
0°
8°
0.016 typ.
0°
8°
* FLAT ZONE NO LESS THAN 2mm
FOOTPRINT DIMENSIONS (in millimeters)
16.90
10.30
5.08
1.30
3.70
8.90
9/10
STTA812D/DI/G
PACKAGE DATA
TO-220AC (JEDEC outline)
DIMENSIONS
REF.
A
H2
C
L5
L7
ØI
L6
L2
D
L9
L4
M
F
E
G
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
0.107
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.066
G
4.95
5.15
0.194
0.202
H2
10.00
10.40
0.393
0.409
■
14.00
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.20
6.60
0.244
0.259
L9
3.50
3.93
0.137
0.154
2.6 typ.
3.75
3.85
0.102 typ.
0.147
0.151
Cooling method: by conduction (C)
Recommended torque value: 0.55 m.N
Maximum torque value: 0.7 m.N
Ordering type
Marking
Package
Weight
Base qty
Delivery mode
STTA812D
STTA812D
TO-220AC
1.86g
50
Tube
STTA812DI
STTA812DI
TO-220AC Ins.
STTA812G
STTA812G-TR
■
0.645 typ.
13.00
Diam. I
■
16.40 typ.
L4
M
■
Inches
Min.
L2
F1
Millimeters
STTA812G
STTA812G
1.86g
250
Bulk
2
1.48g
50
Tube
2
1.48g
500
Tape & reel
D PAK
D PAK
Epoxy meets UL94,V0
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2002 STMicroelectronics - Printed in Italy - All rights reserved.
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