Datasheet STPS745G, STPS745F, STPS745D Datasheet (SGS Thomson Microelectronics)

Page 1
MAINPRODUCT CHARACTERISTICS
STPS745D/F/G
POWER SCHOTTKY RECTIFIER
I
F(AV)
V
7.5 A 45 V
Tj (max) 175 °C
(max) 0.57 V
V
F
FEATURESAND BENEFITS
VERYSMALLCONDUCTIONLOSSES NEGLIGIBLESWITCHINGLOSSES EXTREMELYFAST SWITCHING INSULATEDPACKAGE:ISOWATT220AC
Insulatingvoltage= 2000VDC Capacitance= 12pF
DESCRIPTION
Single Schottky rectifier suited for Switch Mode Power Supply and high frequencyDC to DC con­verters.
Packaged either in TO-220AC, ISOWATT220AC
2
or D
PAK, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarityprotectionapplications.
ABSOLUTERATINGS
(limiting values)
TO-220AC
STPS745D
A
K
K
D2PAK
STPS745G
A
K
ISOWATT220AC
STPS745F
A
NC
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
Repetitivepeakreversevoltage 45 V RMSforwardcurrent 20 A Averageforward current
δ
= 0.5
TO-220AC/
2
PAK
D
Tc = 160°C 7.5 A
ISOWATT220AC Tc = 145°C
I
FSM
Surgenonrepetitiveforward
tp = 10ms sinusoidal 150 A
current
I
RRM
I
RSM
Repetitivepeakreversecurrent tp = 2µs square F = 1kHz 1 A Non repetitivepeak reverse
tp = 100 µs square 2 A
current
Tstg Storagetemperature range - 65 to+ 175 °C
Tj Maximum operatingjunction temperature* 175 °C
dV/dt Criticalrate of rise of reverse voltage 10000 V/µs
dPtot
*:
dTj
June 1999 - Ed: 4D
<
1
Rth(j−a
thermal runawayconditionfor a diode on its ownheatsink
)
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Page 2
STPS745D/F/G
THERMALRESISTANCES
Symbol Parameter Value Unit
R
th (j-c)
Junctionto case TO-220AC/ D2PAK 3.0 °C/W
ISOWATT220AC 5.5
STATICELECTRICAL CHARACTERISTICS
Symbol Parameter TestsConditions Min. Typ. Max. Unit
* Reverseleakage current Tj = 25°CV
I
R
R=VRRM
100
Tj = 125°C 5 15 mA
* Forwardvoltagedrop Tj = 125°CI
V
F
Tj = 25°CI Tj = 125°CI
Pulse test : * tp = 380 µs, δ <2%
= 7.5 A 0.5 0.57 V
F
= 15 A 0.84
F
= 15 A 0.65 0.72
F
To evaluatethe conductionlossesuse thefollowingequation: P = 0.42x I
F(AV)
+0.020I
F2(RMS)
µ
A
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Page 3
STPS745D/F/G
Fig. 1:
Average forward power dissipation versus
averageforwardcurrent.
PF(av)(W)
6 5 4 3 2 1 0
012345678910
Fig. 3-1:
current versus overload duration (maximum values) (TO-220ACand D
IM(A)
120 100
80 60 40
IM
20
0
1E-3 1E-2 1E-1 1E+0
δ = 0.1
δ = 0.05
IF(av)(A)
δ= 0.5δ = 0.2
δ =1
T
=tp/T tp
δ
Non repetitive surge peak forward
2
PAK).
Tc=50°C
Tc=100°C
Tc=150°C
δ=0.5
t
t(s)
Fig. 2:
Average current versus ambient
temperature (δ = 0.5).
IF(av)(A)
9 8 7 6 5
Rth(j-a)=Rth(j-c)
ISOWATT220AB
Rth(j-a)=15°C/W
Rth(j-a)=40°C/W
TO-220AC
4 3 2 1 0
0 25 50 75 100 125 150 175
Fig. 3-2:
δ
T
=tp/T
tp
Tamb(°C)
Non repetitive surge peak forward current versus overload duration (maximum values) (ISOWATT220AC).
IM(A)
80 70 60 50 40 30 20
IM
10
0
1E-3 1E-2 1E-1 1E+0
δ=0.5
t
t(s)
Tc=50°C
Tc=100°C
Tc=150°C
Fig. 4-1:
impedancejunction to caseversus pulse duration (TO-220ACand D
Relative variation of thermal transient
2
PAK).
Zth(j-c)/Rth(j-c)
1.0
0.8
δ= 0.5
0.6
0.4
δ
=tp/T
T
tp
δ = 0.2
0.2
δ = 0.1
Single pulse
0.0 1E-4 1E-3 1E-2 1E-1 1E+0
tp(s)
Fig. 4-2:
Relative variation of thermal transient impedancejunction to case versus pulse duration (ISOWATT220AC).
Zth(j-c)/Rth(j-c)
1.0
0.8
δ = 0.5
0.6
0.4
δ
=tp/T
T
tp
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δ = 0.2
0.2
δ = 0.1 Single pulse
0.0
1E-3 1E-2 1E-1 1E+0 1E+1
tp(s)
Page 4
STPS745D/F/G
Fig. 5:
Reverse leakage current versus reverse
voltageapplied(typical values).
IR(µA)
5E+4 1E+4
1E+3 1E+2
Tj=150°C
Tj=125°C
Tj=100°C
Tj=75°C
Tj=50°C
1E+1
Tj=25°C
1E+0
VR(V)
1E-1
0 5 10 15 20 25 30 35 40 45
Fig. 7: Forward voltage drop versus forward current(maximum values).
IFM(A)
100.0
Tj=125°C
Typicalvalues
10.0
Tj=125°C
1.0
VFM(V)
0.1
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Tj=25°C
Fig. 6:
Junction capacitance versus reverse
voltageapplied (typicalvalues).
C(pF)
1000
F=1MHz Tj=25°C
500
200
VR(V)
100
12 51020 50
Fig. 8:
Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuitboard,copper thickness:35µm).
Rth(j-a) (°C/W)
80 70 60 50 40 30 20 10
0
0 2 4 6 8 10 12 14 16 18 20
S(Cu)
(cm )
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Page 5
PACKAGEMECHANICAL DATA
2
D
PAK(Plastic)
L2
E
L
L3
B2 B
G
* FLATZONE NO LESSTHAN 2mm
C2
A1
STPS745D/F/G
DIMENSIONS
REF.
A
A 4.40 4.60 0.173 0.181
A1 2.49 2.69 0.098 0.106
D
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
C
R
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
A2
G 4.88 5.28 0.192 0.208
L 15.00 15.85 0.590 0.624
M
*
V2
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 0.40typ. 0.016typ.
V2 0° 8° 0° 8°
Millimeters Inches
Min. Max. Min. Max.
FOOTPRINT DIMENSIONS (in millimeters)
16.90
10.30
1.30
8.90
3.70
5.08
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Page 6
STPS745D/F/G
PACKAGEMECHANICAL DATA
TO-220AC
H2
L5
ØI
L6
L2
L9
F1
L4
F
G
DIMENSIONS
REF.
Millimeters Inches
Min. Max. Min. Max.
A
C
L7
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
D
G 4.95 5.15 0.194 0.202
H2 10.00 10.40 0.393 0.409
L2 16.40typ. 0.645typ.
M
E
L4 13.00 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
M 2.6 typ. 0.102typ.
Diam.I 3.75 3.85 0.147 0.151
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Page 7
PACKAGEMECHANICAL DATA
ISOWATT220AC
STPS745D/F/G
H
A
B
REF.
Millimeters Inches
DIMENSIONS
Min. Typ. Max. Min. Typ. Max.
A 4.40 4.60 0.173 0.181
Diam
L6
L2
L3
L7
B 2.50 2.70 0.098 0.106
D 2.40 2.75 0.094 0.108
E 0.40 0.70 0.016 0.028 F 0.75 1.00 0.030 0.039
F1 1.15 1.70 0.045 0.067
F1
G 4.95 5.20 0.195 0.205
H 10.00 10.40 0.394 0.409 L2 16.00 0.630 L3 28.60 30.60 1.125 1.205
F
G
DE
L6 15.90 16.40 0.626 0.646 L7 9.00 9.30 0.354 0.366
Diam 3.00 3.20 0.118 0.126
Type Marking Package Weight Baseqty Delivery mode
STPS745D STPS745D TO-220AC 1.86g. 50 Tube
STPS745F STPS745F ISOWATT220AC 2 g. 50 Tube
2
STPS745G STPS745G D
STPS745G-TR STPS745G D
PAK 1.48g. 50 Tube
2
PAK 1.48g. 1000 Tape & reel
Coolingmethod:by conduction(C) Recommendedtorquevalue:0.55 N.m Maximumtorquevalue:0.7 N.m. Epoxymeets UL94,V0
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