Datasheet STPS2045CF, STPS2045CG, STPS2045CT Datasheet (SGS Thomson Microelectronics)

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MAINPRODUCTCHARACTERISTICS

STPS2045CT/CF/CG

POWER SCHOTTKY RECTIFIER

I

F(AV)

V

RRM

2 x 10 A

45 V

Tj (max) 175 °C

(max) 0.57 V

V

F

FEATURESAND BENEFITS

VERYSMALLCONDUCTION LOSSES
NEGLIGIBLESWITCHINGLOSSES
EXTREMELYFAST SWITCHING
INSULATEDPACKAGE:ISOWATT220AB

Insulatingvoltage= 2000VDC
Capacitance= 12pF

DESCRIPTION

DualcentertapSchottkyrectifiersuited forSwitch­ModePowerSupplyandhighfrequencyDC to DC
converters.

Packaged either in TO-220AB, ISOWATT220AB

2

PAK, this device is especially intended for

or D
use in low voltage, high frequency inverters, free
wheelingand polarityprotectionapplications.

ABSOLUTE RATINGS(limitingvalues, per diode)

A1

A2

A1

TO-220AB

STPS2045CT

K

STPS2045CG

K

A2

K

A1

A2

K

ISOWATT220AB

STPS2045CF

A2

A1

2

PAK

D

Symbol Parameter Value Unit

V

RRM

I

F(RMS)

I

F(AV)

Repetitivepeak reversevoltage 45 V
RMSforward current 30 A
Averageforwardcurrent

δ

=0.5

TO-220AB

2

PAK

D

Tc = 155°C Per diode 10 A

ISOWATT220AB Tc = 125°C Per device 20

I

FSM

I

RRM

Surgenon repetitive forwardcurrent tp = 10 ms sinusoidal 180 A
Repetitivepeak reversecurrent tp = 2 µs square

1A

F = 1kHz

I

RSM

Nonrepetitivepeak reversecurrent

tp = 100 ms square

2A

Tstg Storagetemperaturerange -65 to +175 °C

Tj Maximumoperatingjunction temperature* 175 °C

dV/dt Criticalrateof rise of reversevoltage 10000 V/µs

<

1

Rth(j−a

thermal runawayconditionfor a diode on its own heatsink

)

dPtot

*:

dTj

June 1999 - Ed: 3B

1/7

STPS2045CT/CF/CG

THERMALRESISTANCES

Symbol Parameter Value Unit

R

R

th (j-c)

th (c)

Junctionto case TO-220AB/ D2PAK Perdiode

Total

ISOWATT220AB Perdiode

Total

TO-220AB/ D2PAK Coupling 0.3

2.2

1.3

4.5

3.5

°

ISOWATT220AB 2.5

Whenthe diodes1 and 2 are used simultaneously:
∆ Tj (diode1) = P (diode1)x R

STATICELECTRICAL CHARACTERISTICS

(perdiode) + P (diode2) x R

th(j-c)

(Per diode)

th(c)

Symbol Parameter Tests Conditions Min. Typ. Max. Unit

I

* Reverseleakage current Tj= 25°CV

R

R=VRRM

100

Tj= 125°C715mA

* Forwardvoltagedrop Tj= 125°CI

V

F

Tj= 25°CI
Tj= 125°CI

= 10 A 0.5 0.57 V

F

= 20 A 0.84

F

= 20 A 0.65 0.72

F

C/W

µ

A

Pulse test : * tp = 380 µs,δ <2%

Toevaluate the conductionlossesuse the followingequation:
P= 0.42x I

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F(AV)

+ 0.015I

F2(RMS)

STPS2045CT/CF/CG

Fig. 1:

Average forward power dissipation versus

averageforwardcurrent(per diode).

PF(av)(W)

8
7
6
5
4
3
2
1
0

0123456789101112

Fig.3-1:

Nonrepetitivesurgepeak forwardcurrent
versus overload duration (maximum values, per
diode)(TO-220ABandD

IM(A)

140
120
100

80
60
40

IM

20

0

1E-3 1E-2 1E-1 1E+0

δ=0.5

t

δ = 0.05

δ = 0.1

δ = 0.2

IF(av)(A)

2

PAK).

t(s)

δ= 0.5

δ

=tp/T

δ =1

T

tp

Tc=75°C

Tc=100°C

Tc=125°C

Fig. 2:

Average current versus ambient

temperature(δ=0.5,perdiode).

IF(av)(A)

12
10

Rth(j-a)=Rth(j-c)

8
6
4

T

2

=tp/T

δ

0

0 25 50 75 100 125 150 175

Fig.3-2:

tp

Nonrepetitivesurgepeak forwardcurrent

Rth(j-a)=15°C/W

Tamb(°C)

ISOWATT220AB

TO-220AB
D PAK

versus overload duration (maximum values, per
diode)(ISOWATT220AB).

IM(A)

100

80

60

40

IM

20

0

1E-3 1E-2 1E-1 1E+0

δ=0.5

t

t(s)

Tc=75°C

Tc=100°C

Tc=125°C

Fig. 4-1:

impedancejunction to case versus pulse duration
(TO-220ABandD

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 = 0.2

0.2

δ = 0.1

Single pulse

0.0

1E-4 1E-3 1E-2 1E-1 1E+0

tp(s)

T

=tp/T tp

δ

Fig. 4-2:

Relative variation of thermal transient
impedancejunction to case versus pulse duration
(ISOWATT220AB).

Zth(j-c)/Rth(j-c)

1.0

0.8

δ = 0.5

0.6

0.4

δ= 0.2

0.2

δ = 0.1

Single pulse

0.0

1E-3 1E-2 1E-1 1E+0 1E+1

tp(s)

δ

=tp/T

T

tp

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STPS2045CT/CF/CG

Fig. 5:

Reverse leakage current versus reverse

voltageapplied(typical values,per diode).

IR(µA)

5E+4
1E+4

1E+3
1E+2
1E+1

Tj=150°C

Tj=125°C

Tj=100°C

Tj=75°C

Tj=50°C

Tj=25°C

1E+0

1E-1

0 5 10 15 20 25 30 35 40 45

Fig. 7:

Forward voltage drop versus forward

VR(V)

current(maximum values,perdiode).

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,per diode).

C(pF)

1000

F=1MHz
Tj=25°C

500

200

100

12 51020 50

Fig. 8:

Thermal resistance junction to ambient

VR(V)

versus copper surface under tab (Epoxy printed
circuitboard, copperthickness: 35µm).

Rth(j-a) (°C/W)

80
70
60
50
40
30
20
10

0

0 5 10 15 20 25 30 35 40

S(Cu)

(cm )

4/7

PACKAGEMECHANICAL DATA

2

D

PAK

E

L2

L

L3

B2

B

G

* FLATZONE NO LESSTHAN 2mm

C2

A1

STPS2045CT/CF/CG

DIMENSIONS

REF.

A

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

D

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

C

R

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

A2

L 15.00 15.85 0.590 0.624

L2 1.27 1.40 0.050 0.055

M

*

V2

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

16.90

10.30

8.90

(in millimeters)

5.08

1.30

3.70

5/7

STPS2045CT/CF/CG

PACKAGEMECHANICAL DATA

TO-220AB

H2

Dia

L5

L6

L2

F2
F1

F

G1

G

L9

L4

DIMENSIONS

REF.

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

A

C

L7

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
F2 1.14 1.70 0.044 0.066

D

G 4.95 5.15 0.194 0.202
G1 2.40 2.70 0.094 0.106
H2 10 10.40 0.393 0.409

M

E

L2 16.4typ. 0.645typ.
L4 13 14 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. 3.75 3.85 0.147 0.151

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PACKAGEMECHANICAL DATA

ISOWATT220AB

STPS2045CT/CF/CG

DIMENSIONS

REF.

A 4.40 4.60 0.173 0.181
B 2.50 2.70 0.098 0.106
D 2.50 2.75 0.098 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
F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.40 2.70 0.094 0.106

H 10.00 10.40 0.394 0.409
L2 16.00typ. 0.630typ.
L3 28.60 30.60 1.125 1.205
L4 9.80 10.60 0.386 0.417
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

Millimeters Inches

Min. Max. Min. Max.

Type Marking Package Weight Baseqty

Delivery

mode

STPS2045CT STPS2045CT TO-220AB 2.25g. 50 Tube
STPS2045CF STPS2045CF ISOWATT220AB 2.08 g. 50 Tube

2

STPS2045CG STPS2045CG D

STPS2045CG-TR STPS2045CG 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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