Datasheet STPS20L40CFP Datasheet (SGS Thomson Microelectronics)

®

STPS20L40CF/CW/CT/CFP

LOW DROP POWER SCHOTTKY RECTIFIER

MAJOR PRODUCTS CHARACTERISTICS

I

F(AV)

V

RRM

2x10A

40 V

Tj (max) 150°C

V

(max) 0.5 V

F

FEATURES AND BENEFITS

LOW FORWARD VOLTAGE DROP MEANING

■

VERY SMALL CONDUCTION LOSSES
LOW DYNAMIC LOSSES AS A RESULT OF

■

THE SCHOTTKY BARRIER
INSULATED PACKAGE: ISOWATT220AB,

■

TO-220FPAB
Insulating voltage = 200V DC
Capacitance = 12pF

■ AVALANCHE CAPABILITY SPECIFIED

DESCRIPTION

Dual center tap Schottky rectifiers designed for
highfrequencyswitchedmodepowersuppliesand
DC to DC converters.

These devices are intendedfor usein low voltage,
high frequency inverters, free-wheeling and
polarity protection applications.

ABSOLUTE RATINGS (limiting values, per diode)

A1

A2

K

A1

TO-220FPAB

STPS20L40CFP

K

A1

ISOWATT220AB

STPS20L40CF

K

A2

K

A2

A1

TO-220AB

STPS20L40CT

A2

A1

A2

K

TO-247

STPS20L40CW

Symbol Parameter Value Unit

V

RRM

I

F(RMS)

I

F(AV)

Repetitive peak reverse voltage
RMS forward current
Average forward

current

I

FSM

I

RRM

I

RSM

P

ARM

T

Tj

dV/dt

dPtot

*:

Surge non repetitive forward current tp = 10 ms Sinusoidal
Peak repetitive reverse current tp=2µssquare F=1kHz
Non repetitive peak reverse current tp = 100 µs square
Repetitive peak avalanche power tp = 1µs Tj = 25°C

stg

Storage temperature range
Maximum operating junction temperature *
Critical rate of rise of reverse voltage

<

dTj Rth j a

July 2003 - Ed: 4B

TO-220AB
TO-247

ISOWATT220AB
TO-220FPAB

Tc = 135°C
δ = 0.5

Tc = 115°C
δ = 0.5

Per diode
Per device

Per diode
Per device

thermal runaway condition for a diode on its own heatsink

−1()

40 V
30 A
10

20
10

20

180 A

1A
2A

4000 W

- 65 to + 150 °C
150 °C

10000 V/µs

A

A

1/8

STPS20L40CF/CW/CT/CFP

THERMAL RESISTANCES

Symbol Parameter Value Unit

R

th(j-c)

Junction to case ISOWATT220AB

TO-220FPAB

R

R

th(j-c)

th(j-c)

Junction to case TO-247

Junction to case TO-220AB

When the diodes 1 and 2 are used simultaneously :

∆ Tj(diode 1) = P(diode1) x R

(Per diode) + P(diode2) x R

th(j-c)

STATIC ELECTRICAL CHARACTERISTICS (per diode)

Symbol Parameter Tests Conditions Min. Typ. Max. Unit

Per diode

Total

Coupling

Per diode

Total

Coupling

Per diode

Total

Coupling

th(c)

4.5

3.5

2.5

2.2

1.20

0.3

2.2

1.3

0.3

°C/W

°C/W

°C/W

*

I

R

V

F

Reverse leakage
current

*

Forward voltage drop Tj = 25°CI

Tj = 25°C VR=V
Tj = 100°C

Tj = 125°C I
Tj=25°CI
Tj = 125°C I

=10A

F

=10A

F

=20A

F

=20A

F

Pulse test : * tp = 380 µs, δ <2%

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

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

PF(av)(W)

8
7
6
5
4
3
2
1
0

02468101214

δ = 0.05

F(AV)

+ 0.022 I

δ = 0.1

δ = 0.2

IF(av) (A)

F2(RMS)

δ = 0.5

δ

δ = 1

=tp/T

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

IF(av)(A)

12
11
10

9
8
7
6
5

T

tp

4
3
2
1

δ

0

0 25 50 75 100 125 150

RRM

=tp/T

0.7 mA

15 35 mA

0.55 V

0.44 0.5

0.73

0.62 0.72

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

ISOWATT220AB

Rth(j-a)=15°C/W

T

tp

Tamb(°C)

TO-220AB/TO-247

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STPS20L40CF/CW/CT/CFP

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. 5-1: Non repetitive surge peak forward
current versus overload duration (maximum
values, per diode, TO-220AB / TO-247).

IM(A)

140
120
100

80
60
40

IM

20

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. 5-2: Non repetitive surge peak forward

current versus overload duration (maximum
values, per diode, ISOWATT220AB,
TO-220FPAB).

IM(A)

100

90
80
70
60
50
40
30

IM

20
10

0

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

δ=0.5

t

t(s)

Tc=25°C

Tc=50°C

Tc=100°C

Fig. 6-1: Relative variation of thermal impedance
junction to case versus pulse duration (TO-220AB
/ TO-247).

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

1.0

0.8

δ = 0.5

0.6

δ = 0.2

0.4

δ = 0.1

0.2

Single pulse

0.0
1E-3 1E-2 1E-1 1E+0

tp(s)

δ

=tp/T

T

tp

Fig. 6-2: Relative variation of thermal impedance
junction to case versus pulse duration
(ISOWATT220AB, TO-220FPAB).

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

1.0

0.8

δ = 0.5

0.6

0.4

δ = 0.2

δ = 0.1

0.2

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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STPS20L40CF/CW/CT

Fig. 7: Reverse leakage current versus reverse

voltage applied (typical values, per diode).

IR(mA)

2E+2
1E+2

1E+1

1E+0

1E-1

Tj=150°C

Tj=125°C

Tj=75°C

Tj=25°C

1E-2

VR(V)

1E-3

0 5 10 15 20 25 30 35 40

Fig. 9: Forward voltage drop versus forward
current (maximum values) (per diode).

IFM(A)

100.0

Typical values

Tj=150°C

Fig. 8: Junction capacitance versus reverse
voltage applied (typical values, per diode).

C(pF)

2000

F=1MHz

1000

100

12 51020 50

VR(V)

Tj=25°C

10.0

Tj=125°C

Tj=25°C

1.0

0.1

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

Tj=75°C

VFM(V)

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PACKAGE MECHANICAL DATA

ISOWATT220AB

STPS20L40CF/CW/CT/CFP

DIMENSIONS

■ Cooling method : C

■

Recommended torque value : 0.55 m.N

■

Maximum torque value : 0.70 m.N

REF.

Millimeters Inches

Min. Max. Min. Max.

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 16.00 typ. 0.630 typ.
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

5/8

STPS20L40CF/CW/CT/CFP

PACKAGE MECHANICAL DATA

TO-220FPAB

H

Dia

L6

L2

L3

F2

D

L4

G1

G

F1

F

REF. DIMENSIONS

Millimeters Inches

A

B

A 4.4 4.9 0.173 0.193

Min. Max. Min. Max.

B 2.5 2.9 0.098 0.114

D 2.45 2.75 0.096 0.108

E 0.4 0.70 0.016 0.027
F 0.60 1 0.024 0.039

L7

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 0.204

G1 2.40 2.70 0.094 0.106

H 10 10.7 0.393 0.421

L2 16 Typ. 0.63 Typ.

E

L3 28.6 30.6 1.126 1.204
L4 9.8 10.7 0.385 0.421
L6 15.8 16.4 0.621 0.645
L7 9.00 9.90 0.354 0.389

Dia. 2.9 3.50 0.114 0.18

■ Cooling method : C

■

Recommended torque value : 0.55 m.N

■

Maximum torque value : 0.70 m.N

6/8

PACKAGE MECHANICAL DATA

TO-220AB

STPS20L40CF/CW/CT/CFP

DIMENSIONS

H2

Dia

L5

L6

L2

F2

F1

F

G1

G

■ Cooling method : C

■

Recommended torque value : 0.55 m.N

■

Maximum torque value : 0.70 m.N

L9

L4

REF.

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

Millimeters Inches

Min. Max. Min. Max.

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.

M

E

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. 0.102 typ.

Diam. 3.75 3.85 0.147 0.151

7/8

STPS20L40CF/CW/CT/CFP

PACKAGE MECHANICAL DATA

TO-247

V

V

H

L5

L

F2

F4

L1

F3

L3

F1

V2

F(x3)

G

= =

Dia.

L4L2

D

ME

A

DIMENSIONS

REF.

Millimeters Inches

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

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

F 1.00 1.40 0.039 0.055
F1 3.00 0.118
F2 2.00 0.078
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
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°
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

STPS20L40CF STPS20L40CF ISOWATT220AB 2.1g 50 Tube

STPS20L40CFP STPS20L40CFP TO-220FPAB 2g 50 Tube

STPS20L40CT STPS20L40CT TO-220AB 2g 50 Tube

STPS20L40CW STPS20L40CW TO-247 4.4g 30 Tube

■

Epoxy meets UL94,V0

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