Datasheet STPS40L45CG Datasheet (SGS Thomson Microelectronics)

®

STPS40L45CG/CT/CW

LOW DROP POWER SCHOTTKY RECTIFIER

MAIN PRODUCTS CHARACTERISTICS

I

F(AV)

V

RRM

2x20A

45 V

Tj (max) 150 °C

(max) 0.49 V

V

F

FEATURES AND BENEFITS

LOW FORWARD VOLTAGE DROP MEANING

■

VERY SMALL CONDUCTION LOSSES
LOW SWITCHING LOSSES ALLOWING HIGH

■

FREQUENCY OPERATION

■ AVALANCHE CAPABILITY SPECIFIED

DESCRIPTION

Dual center tap Schottky barrier rectifier designed
for highfrequencySwitchedModePowerSupplies
and DC to DC converters.

2

Packaged in TO-220AB, TO-247 and D

PAK
these devices areintended for use in lowvoltage,
high frequency inverters, free-wheeling and
polarity protection applications.

A1

A2

STPS40L45CG

A1

TO-220AB

STPS40L45CT

K

A2

K

K

A2

A1

D2PAK

A2

K

A1

TO-247

STPS40L45CW

ABSOLUTE RATINGS (limiting values, per diode)

Symbol Parameter Value Unit

V

RRM

I

F(RMS)

I

F(AV)

I

FSM

I

RRM

I

RSM

P

ARM

T

stg

Tj

dV/dt

dPtot

*:

Repetitive peak reverse voltage
RMS forward current
Average forward current Tc = 130°C

Surge non repetitive forward current tp = 10 ms Sinusoidal
Repetitive peak reverse current tp=2µs square F = 1kHz
Non repetitive peak reverse current tp = 100 µs square
Repetitive peak avalanche power tp = 1µs Tj = 25°C
Storage temperature range
Maximum operating junction temperature *
Critical rate of rise of reverse voltage

<

dTj Rth j a

July 2003 - Ed: 4A

Per diode

δ = 0.5

Per device

thermal runaway conditionfor a diode on its own heatsink

−1()

45 V
30 A
20

40

230 A

2A
3A

8100 W

- 65 to + 150 °C
150 °C

10000 V/µs

A

1/6

STPS40L45CT/CW

THERMAL RESISTANCES

Symbol Parameter Value Unit

R

R

th (j-c)

th(c)

Junction to case

Per diode

Total

Coupling

1.5

°C/W

0.8

0.1 °C/W

When the diodes 1 and 2 areused simultaneously :

∆ Tj(diode 1) = P(diode1) x R

(Per diode) + P(diode 2) x R

th(j-c)

th(c)

STATIC ELECTRICAL CHARACTERISTICS (per diode)

Symbol Parameter Tests Conditions Min. Typ. Max. Unit

*

I

R

Reverse leakage cur­rent

V

*

F

Forward voltage
drop

Pulse test:*tp=380µs,δ<2%

Tj = 25°C V

R=VRRM

Tj = 125°C
Tj=25°CI
Tj = 125°C I
Tj = 25°C I
Tj = 125°C I

=20A

F

=20A

F

=40A

F

=40A

F

140 280 mA

0.42 0.49

0.6 0.7

0.6 mA

0.53 V

0.69

To evaluate the conduction losses use the following equation :
P=0.28xI

F(AV)

+ 0.0105 I

F2(RMS)

Fig. 1: Average forward power dissipation versus
average forward current (per diode).

PF(av)(W)

16
14
12
10

8
6
4
2
0

0 2 4 6 8 1012141618202224

δ = 0.05

2/6

δ = 0.1

δ = 0.2

IF(av) (A)

δ = 0.5

δ

=tp/T

δ = 1

T

tp

Fig. 2: Average forward current versus ambient
temperature (δ = 0.5, per diode)

IF(av)(A)

22
20
18
16
14
12
10

8
6
4
2
0

0 25 50 75 100 125 150

δ

=tp/T

T

tp

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

Rth(j-a)=15°C/W

Tamb(°C)

STPS40L45CT/CW

Fig. 3: Normalized avalanche power derating

versus pulse duration.

P(t)

ARM p

P (1µs)

ARM

1

0.1

0.01

t (µs)

0.001

0.10.01 1

p

10 100 1000

Fig. 5: Non repetitive surge peak forward current
versus overload duration (maximum values, per
diode).

IM(A)

250
225
200
175
150
125
100

75

IM

50
25

0

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

δ=0.5

t

t(s)

Tc=25°C

Tc=75°C

Tc=125°C

Fig. 4: Normalized avalanche power derating
versus junction temperature.

P(t)

ARM p

P (25°C)

ARM

1.2
1

0.8

0.6

0.4

0.2
0

0 25 50 75 100 125 150

T (°C)

j

Fig. 6: Relative variation of thermal impedance

junction to case versus pulse duration.

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

1.0

0.8

δ = 0.5

0.6

0.4

δ = 0.2

δ

=tp/T

T

tp

0.2

0.0
1E-4

δ = 0.1

Single pulse

tp(s)

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

Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values, per diode).

IR(mA)

1E+3

1E+2

1E+1

1E+0

1E-1

1E-2

0 5 10 15 20 25 30 35 40 45

Tj=150°C

Tj=125°C

Tj=75°C

Tj=25°C

VR(V)

Fig. 8: Junction capacitance versus reverse

voltage applied (typical values, per diode).

C(nF)

10.0

F=1MHz
Tj=25°C

1.0

0.1
1

VR(V)

10 100

3/6

STPS40L45CT/CW

Fig. 9: Forward voltage drop versus forward

current (maximum values, per diode).

IFM(A)

1000

100

10

1

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

Tj=125°C

Typical values

Tj=150°C

Tj=75°C

Tj=25°C

VFM(V)

PACKAGE MECHANICAL DATA

TO-220AB

Fig. 10: Thermal resistance junction to ambient
versus copper surface under tab (Epoxy printed
circuit board FR4, copper thickness: 35µm)
(STPS40L45CG only).

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) (cm²)

DIMENSIONS

H2

Dia

L5

L6

L2

F2
F1

F

G1

G

■

COOLING METHOD : C

■

RECOMMENDED TORQUE VALUE : 0.55M.N

■

MAXIMUM TORQUE VALUE : 0.70 M.N

L9

L4

REF.

A

C

A 4.40 4.60 0.173 0.181

Millimeters Inches

Min. Max. Min. Max.

C 1.23 1.32 0.048 0.051

L7

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
L2 16.4 typ. 0.645 typ.
L4 13 14 0.511 0.551

M

E

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. 0.102 typ.

Diam. 3.75 3.85 0.147 0.151

4/6

PACKAGE MECHANICAL DATA

2

PAK

D

E

L2

L

L3

A1

B2

B

G

* FLAT ZONE NO LESS THAN 2mm

C2

STPS40L45CG/CT/CW

DIMENSIONS

A

D

C

A2

M

*

R

V2

REF.

Millimeters 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

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 0.40 typ. 0.016 typ.

V2 0° 8° 0° 8°

■ COOLING METHOD : BY CONDUCTION (METHOD C )

FOOT PRINT (in millimeters)

2

PAK

D

16.90

10.30

3.70

8.90

5.08

1.30

5/6

STPS40L45CT/CW

PACKAGE MECHANICAL DATA

TO-247

DIMENSIONS

V

REF.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

V

Dia.

A 4.85 5.15 0.191 0.203
D 2.20 2.60 0.086 0.102
E 0.40 0.80 0.015 0.031

H

A

F 1.00 1.40 0.039 0.055
F1 3.00 0.118
F2 2.00 0.078

L5

L

L4L2

F3 2.00 2.40 0.078 0.094
F4 3.00 3.40 0.118 0.133

G 10.90 0.429
H 15.45 15.75 0.608 0.620

L 19.85 20.15 0.781 0.793
L1 3.70 4.30 0.145 0.169

F2

F4

F3

L3

L1

D

ME

L2 18.50 0.728
L3 14.20 14.80 0.559 0.582
L4 34.60 1.362
L5 5.50 0.216

M 2.00 3.00 0.078 0.118
V5° 5°

F1

V2

F(x3)

G

= =

V2 60° 60°

Dia. 3.55 3.65 0.139 0.143

■

COOLING METHOD : C

■

RECOMMENDED TORQUE VALUE : 0.8M.N

■

MAXIMUM TORQUE VALUE : 1.0M.N

Ordering type Marking Package Weight Base qty Delivery mode

STPS40L45CG STPS40L45CG D2PAK 1.8g 500 Tape & Reel

STPS40L45CT STPS40L45CT TO-220AB 2g 50 Tube

STPS40L45CW STPS40L45CW TO-247 4.4g 30 Tube

■

EPOXY MEETS UL94,V0

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