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(R)
STTA1206D/DI/G
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM trr (typ) VF (max) FEATURES AND BENEFITS
s
12A 600V 28ns 1.5V
K
A NC
D2PAK STTA1206G
K
s
s
s
s
SPECIFIC TO "FREEWHEEL MODE" OPERATIONS: FREEWHEEL OR BOOSTER DIODE. ULTRA-FAST AND SOFT RECOVERY. VERY LOW OVERALL POWER LOSSES IN BOTH THE DIODE AND THE COMPANION TRANSISTOR. HIGH FREQUENCY OPERATIONS. INSULATED PACKAGE : TO-220AC Electrical insulation : 2500VRMS Capacitance < 7 pF
A K
A K
TO-220AC STTA1206D
Insulated TO-220AC STTA1206DI
DESCRIPTION TURBOSWITCH, family, drastically cuts losses in both the diode and the associated switching IGBT or MOSFET in all "freewheel mode" operations and is particularly suitable and efficient in motor control freewheel applications and in booster ABSOLUTE RATINGS (limiting values) Symbol VRRM VRSM IF(RMS) IFRM IFSM Tj Tstg Parameter Repetitive peak reverse voltage Non repetitive peak reverse voltage RMS forward current Repetitive peak forward current TO-220AC / D2PAK TO-220AC ins. TO-220AC/D2PAK TO-220AC ins. tp=5s F=5kHz square tp=10 ms sinusoidal Value 600 600 30 20 160 120 110 150 -65 to 150 Unit V V A A A A A C C diode applications in power factor control circuitries. Packaged in TO-220AC, isolated TO-220AC and D2PAK, these 600V devices are particularly intended for use on 240V domestic mains.
Surge non repetitive forward current Maximum operating junction temperature Storage temperature range
TM : TURBOSWITCH is a trademark of STMicroelectronics
May 2002 - Ed: 5B
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STTA1206D/DI/G
THERMAL AND POWER DATA Symbol Rth(j-c) P1 Pmax Parameter Junction to case thermal resistance Conduction power dissipation IF(AV) = 12A =0.5 Total power dissipation Pmax = P1 + P3 (P3 = 10% P1) Test conditions TO-220AC / D PAK TO-220AC ins. TO-220AC / D2PAK TO-220AC ins. TO-220AC /D2PAK TO-220AC ins. Tc= 108C Tc= 84C Tc= 104C Tc= 78C
2
Value 1.9 3.0 22 24
Unit C/W W W
STATIC ELECTRICAL CHARACTERISTICS Symbol VF * IR
**
Parameter Forward voltage drop Reverse leakage current Threshold voltage Dynamic resistance
Test conditions IF =12A VR =0.8 x VRRM Ip < 3.IAV Tj = 25C Tj = 125C Tj = 25C Tj = 125C Tj = 125C
Min
Typ 1.25 2
Max 1.75 1.5 100 5 1.15 29
Unit V V A mA V m
Vto rd
Test pulse : * tp = 380 s, cycle < 2% ** tp = 5 ms, cycle < 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 trr Parameter Reverse recovery time Maximum reverse recovery current Softness factor Test conditions Tj = 25C IF = 0.5 A IR = 1A Irr = 0.25A IF = 1 A dIF/dt =-50A/s VR =30V Tj = 125C VR = 400V dIF/dt = -96 A/s dIF/dt = -500 A/s Tj = 125C VR = 400V dIF/dt = -500 A/s IF =12A 7.5 16 IF =12A 0.45 Min Typ 28 55 A Max Unit ns
IRM
S factor
TURN-ON SWITCHING Symbol tfr Parameter Forward recovery time Test conditions Tj = 25C IF =12 A, dIF/dt = 96 A/s measured at, 1.1 x VFmax Min Typ Max 500 V 10 Unit ns
VFp
Peak forward voltage Tj = 25C IF =12A, dIF/dt = 96 A/s
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STTA1206D/DI/G
Fig. 1: Conduction losses versus average current.
P1(W) 25
= 0.1 = 0.2
Fig. 2: Forward voltage drop versus forward current.
VFM(V)
3.00
= 0.5
2.75 2.50 2.25 2.00
MAXIMUM VALUES
20
Tj=125C
15
=1
1.75 1.50 1.25 1.00
T
10
0.75 0.50 0.25
12
IFM(A)
5 IF(av)(A) 0 0 1 2 3 4 5 6 7 8 9 10
=tp/T
tp
11
0.00 0.1
1
10
100
200
Fig. 3: Relative variation of thermal transient impedance junction to case versus pulse duration.
K 1
K= Zth(j-c) (tp.) Rth(j-c)
Fig. 4: Peak reverse recovery current versus dIF/dt.
40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0.0
IRM(A)
90% CONFIDENCE Tj=12 C
VR=400V IF=24A
0.8 0.6 0.4
= 0.2
= 0.5
IF=12A
IF=6A
0.2
= 0.1 Single pulse
T
0 1.0E-04
tp(s) 1.0E-03 1.0E-02
=tp/T
tp
dIF/dt(A/s)
0 100 200 300 400 500 600 700 800 900 1000
1.0E-01
1.0E+00
Fig. 5: Reverse recovery time versus dIF/dt.
trr(ns)
Fig. 6: Softness factor (tb/ta) versus dIF/dt.
1.2
S factor
Typical values Tj=125C IF<2xIF(av)
220 200 180 160 140 120 100 80 60 40 20 0 0 100 200 300 400 500 600 700 800 900 1000
IF=6A IF=24A IF=12A
90% CONFIDENCE Tj=125C
1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 100 200 300 400 500
VR=400V
VR=400V
dIF/dt(A/s)
dIF/dt(A/s)
600
700
800
900 1000
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STTA1206D/DI/G
Fig. 7: Relative variation of dynamic parameters versus junction temperature (Reference Tj=125C).
2.00 1.75 1.50 1.25 1.00
IRM S factor
Fig. 8: Transient peak forward voltage versus dIF/dt.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
VFP(V)
90% CONFIDENCE Tj=125C
IF=IF(av)
0.75 Tj(C) 0.50 0 25 50 75 100 125 150
dIF/dt(A/s)
0 25 50 75 100 125 150 175 200 225 250
Fig. 9: Forward recovery time versus dIF/dt.
tfr(ns)
500 450 400 350 300 250 200 150 100 50 0 0 25 50 75 100 125 150 175 200 225 250
90% CONFIDENCE Tj=125C
VFr=1.1*VF max. IF=IF(av)
dIF/dt(A/s)
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STTA1206D/DI/G
APPLICATION DATA The TURBOSWITCH is especially designed to provide the lowest overall power losses in any "FREEWHEEL Mode" application (Fig.A) considering both the diode and the companion transistor, thus optimizing the overall performance in the end application. The way of calculating the power losses is given below:
TOTAL LOSSES due to the diode P = P1+ P2+ P3+ P4+ P5
Watts
CONDUCTION LOSSES in the diode
REVERSE LOSSES in the diode
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
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STTA1206D/DI/G
APPLICATION DATA (Cont'd) Fig. B: STATIC CHARACTERISTICS Conduction losses :
I
P1 = Vt0 . IF(AV) + Rd . IF2(RMS)
IF Rd VR V IR V tO VF
Reverse losses : P2 = VR . IR . (1 - )
Fig. C: TURN-OFF CHARACTERISTICS
V IL TRANSISTOR I t
Turn-on losses : (in the transistor, due to the diode) P5 =
V R x I RM
2
x( 3+
2xS )xF
6 x dI F dt V R x I RM x I L x ( S + 2 ) x F + 2 x dI F dt
I dI F /dt V I RM ta tb t dI R /dt VR
trr = ta + tb S = tb / ta
DIODE
Turn-off losses (in the diode) : P3 =
V R x I RM
2
xSxF
6 x dI F
dt
P3 and P5 are suitable for power MOSFET and IGBT
Fig. D: TURN-ON CHARACTERISTICS
IF dI F /dt I Fmax
0 VF V Fp
t
Turn-on losses : P4 = 0.4 (VFP - VF) . IFmax . tfr . F
1.1V F 0 tfr
VF t
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STTA1206D/DI/G
PACKAGE DATA D2PAK DIMENSIONS
A E L2 C2
REF. A A1 A2
D
Millimeters Min. 4.40 2.49 0.03 0.70 1.14 0.45 1.23 8.95 10.00 4.88 15.00 1.27 1.40 2.40 0 Max. 4.60 2.69 0.23 0.93 1.70 0.60 1.36 9.35 10.40 5.28 15.85 1.40 1.75 3.20 8
Inches Min. 0.173 0.098 0.001 0.027 0.045 0.017 0.048 0.352 0.393 0.192 0.590 0.050 0.055 0.094 0 Max. 0.181 0.106 0.009 0.037 0.067 0.024 0.054 0.368 0.409 0.208 0.624 0.055 0.069 0.126 8
L L3 A1 B2 B G A2 C R
B B2 C C2 D E G L L2 L3
M
*
V2
M R V2
0.40 typ.
0.016 typ.
* FLAT ZONE NO LESS THAN 2mm
FOOTPRINT DIMENSIONS (in millimeters)
16.90
10.30 1.30
5.08
3.70 8.90
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STTA1206D/DI/G
PACKAGE DATA TO-220AC (JEDEC outline) DIMENSIONS
H2 C L5 OI L6 L2 D A
REF. A
L7
Millimeters Min. 4.40 1.23 2.40 0.49 0.61 1.14 4.95 10.00 13.00 2.65 15.25 6.20 3.50 3.75 Max. 4.60 1.32 2.72 0.70 0.88 1.70 5.15 10.40 14.00 2.95 15.75 6.60 3.93 3.85
Inches Min. 0.173 0.048 0.094 0.019 0.024 0.044 0.194 0.393 0.511 0.104 0.600 0.244 0.137 0.147 Max. 0.181 0.051 0.107 0.027 0.034 0.066 0.202 0.409 0.551 0.116 0.620 0.259 0.154 0.151
C D E F F1 G H2 L2
L9 F1 L4
16.40 typ.
0.645 typ.
F G
M E
L4 L5 L6 L7 L9 M Diam. I
2.6 typ.
0.102 typ.
s
s
Cooling method : by conduction (C) Recommanded maximum torque value : 0.7m.N
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STTA1206D/DI/G
PACKAGE DATA INSULATED TO-220AC (JEDEC outline)
B C
DIMENSIONS REF. A
F
b2
Millimeters 15.20 3.75 13.00 10.00 0.61 1.23 4.40 0.49 2.40 4.80 6.20 3.75 2.65 1.14 2.60 14.00 0.511 10.40 0.393 0.88 0.024 1.32 0.048 4.60 0.173 0.70 0.019 2.72 0.094 5.40 0.189 6.60 0.244 3.85 0.147 2.95 0.104 1.70 0.044 15.90 0.598
Inches 0.625 0.147 0.551 0.409 0.034 0.051 0.181 0.027 0.107 0.212 0.259 0.151 0.116 0.066 0.102
Min. Typ. Max. Min. Typ. Max.
L
a1 a2 B b1 b2 C c1 c2 e
I A
l4
a1
c2
l2 a2
F I I4 L
M c1
15.80 16.40 16.80 0.622 0.646 0.661
b1 e
l2 M
Cooling method : by conduction (C). Recommended maximum torque value : 1 m.N Ordering type STTA1206D STTA1206DI STTA1206G STTA1206G-TR
s
Marking STTA1206D STTA1206DI STTA1206G STTA1206G
Package TO-220AC TO-220AC Ins. D PAK D PAK
2 2
Weight 1.86g 1.86g 1.48g 1.48g
Base qty 50 250 50 500
Delivery mode Tube Bulk Tube Tape & reel
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 (c) 2002 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 9/9

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