STMICROELECTRONICS STPS20L40CT

STPS20L40CF/CW/CT/CFP
®
LOW DROP POWER SCHOTTKY RECTIFIER
MAJOR PRODUCTS CHARACTERISTICS
A1
IF(AV)
2 x 10 A
VRRM
40 V
Tj (max)
150°C
VF (max)
0.5 V
K
A2
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
A2
K
A1
A2
TO-220FPAB
STPS20L40CFP
A1
K
TO-220AB
STPS20L40CT
DESCRIPTION
A2
Dual center tap Schottky rectifiers designed for
high frequency switched mode power supplies and
DC to DC converters.
These devices are intended for use in low voltage,
high frequency inverters, free-wheeling and
polarity protection applications.
A1
K
A2
ISOWATT220AB
STPS20L40CF
K
A1
TO-247
STPS20L40CW
ABSOLUTE RATINGS (limiting values, per diode)
Symbol
Parameter
Value
40
VRRM Repetitive peak reverse voltage
IF(RMS) RMS forward current
30
IF(AV)
10
Average forward
TO-220AB
Tc = 135°C Per diode
20
current
TO-247
δ = 0.5
Per device
10
ISOWATT220AB Tc = 115°C Per diode
20
TO-220FPAB
δ = 0.5
Per device
IFSM
180
Surge non repetitive forward current
tp = 10 ms Sinusoidal
IRRM
1
Peak repetitive reverse current
tp = 2 µs square F=1kHz
IRSM
2
Non repetitive peak reverse current
tp = 100 µs square
PARM Repetitive peak avalanche power
4000
tp = 1µs Tj = 25°C
Tstg
65
to + 150
Storage temperature range
Tj
150
Maximum operating junction temperature *
dV/dt Critical rate of rise of reverse voltage
10000
dPtot
1
thermal runaway condition for a diode on its own heatsink
* :
<
dTj
Rth( j − a )
July 2003 - Ed: 4B
Unit
V
A
A
A
A
A
A
W
°C
°C
V/µs
1/8
STPS20L40CF/CW/CT/CFP
THERMAL RESISTANCES
Symbol
Parameter
Rth(j-c)
Junction to case
ISOWATT220AB
TO-220FPAB
Rth(j-c)
Junction to case
TO-247
Rth(j-c)
Junction to case
TO-220AB
Value
Unit
4.5
3.5
2.5
2.2
1.20
0.3
2.2
1.3
0.3
°C/W
Per diode
Total
Coupling
Per diode
Total
Coupling
Per diode
Total
Coupling
°C/W
°C/W
When the diodes 1 and 2 are used simultaneously :
∆ Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol
IR *
Parameter
Tests Conditions
Reverse leakage
current
VF *
Tj = 25°C
Min.
Typ.
VR = VRRM
Unit
0.7
mA
35
mA
0.55
V
15
Tj = 100°C
Forward voltage drop
Max.
Tj = 25°C
IF = 10 A
Tj = 125°C
IF = 10 A
Tj = 25°C
IF = 20 A
Tj = 125°C
IF = 20 A
0.44
0.5
0.73
0.62
0.72
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation :
P = 0.28 x IF(AV) + 0.022 IF2(RMS)
Fig. 1: Average forward power dissipation versus
average forward current (per diode).
Fig. 2: Average forward current versus ambient
temperature(δ = 0.5, per diode).
PF(av)(W)
8
δ = 0.1
7
δ = 0.2
δ = 0.05
12
11
10
9
8
7
6
5
4
3
2
1
0
δ = 0.5
6
δ=1
5
4
3
T
2
1
0
δ=tp/T
IF(av) (A)
0
2/8
2
4
6
8
10
12
tp
14
IF(av)(A)
Rth(j-a)=Rth(j-c)
TO-220AB/TO-247
ISOWATT220AB
Rth(j-a)=15°C/W
T
δ=tp/T
0
Tamb(°C)
tp
25
50
75
100
125
150
STPS20L40CF/CW/CT/CFP
Fig. 3: Normalized avalanche power derating
versus pulse duration.
Fig. 4: Normalized avalanche power derating
versus junction temperature.
PARM(tp)
PARM(1µs)
1
PARM(tp)
PARM(25°C)
1.2
1
0.1
0.8
0.6
0.4
0.01
0.2
Tj(°C)
tp(µs)
0.001
0.01
0.1
1
0
10
100
1000
Fig. 5-1: Non repetitive surge peak forward
current versus overload duration (maximum
values, per diode, TO-220AB / TO-247).
140
IM(A)
120
100
80
Tc=25°C
60
Tc=75°C
40
Tc=125°C
IM
20
t
t(s)
δ=0.5
0
1E-3
1E-2
1E-1
1E+0
Fig. 6-1: Relative variation of thermal impedance
junction to case versus pulse duration (TO-220AB
/ TO-247).
0
IM(A)
100
90
80
70
60
50
40
30
20 IM
10
0
1E-3
0.8
0.8
δ = 0.5
0.6
0.4
δ = 0.2
δ = 0.1
T
0.2
0.2
125
150
Tc=25°C
Tc=50°C
Tc=100°C
t
t(s)
δ=0.5
1E-2
1E-1
1E+0
δ = 0.5
δ = 0.2
T
δ = 0.1
Single pulse
tp(s)
1E-2
100
Zth(j-c)/Rth(j-c)
1.0
0.0
1E-3
75
Fig. 6-2: Relative variation of thermal impedance
junction to case versus pulse duration
(ISOWATT220AB, TO-220FPAB).
Zth(j-c)/Rth(j-c)
0.4
50
Fig. 5-2: Non repetitive surge peak forward
current versus overload duration (maximum
values,
per
diode,
ISOWATT220AB,
TO-220FPAB).
1.0
0.6
25
δ=tp/T
1E-1
Single pulse
tp
1E+0
0.0
1E-3
1E-2
tp(s)
1E-1
δ=tp/T
1E+0
tp
1E+1
3/8
STPS20L40CF/CW/CT
Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values, per diode).
2E+2
1E+2
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values, per diode).
C(pF)
IR(mA)
2000
Tj=150°C
F=1MHz
Tj=25°C
Tj=125°C
1E+1
1000
Tj=75°C
1E+0
1E-1
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).
100.0
IFM(A)
Typical values
Tj=150°C
10.0
Tj=125°C
Tj=25°C
1.0
Tj=75°C
0.1
0.0
4/8
VFM(V)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
100
VR(V)
1
2
5
10
20
50
STPS20L40CF/CW/CT/CFP
PACKAGE MECHANICAL DATA
ISOWATT220AB
DIMENSIONS
■
■
■
REF.
Millimeters
Inches
A
B
D
E
F
F1
F2
G
G1
H
L2
L3
L4
L6
L7
Diam
Min.
Max.
4.40
4.60
2.50
2.70
2.50
2.75
0.40
0.70
0.75
1.00
1.15
1.70
1.15
1.70
4.95
5.20
2.40
2.70
10.00
10.40
16.00 typ.
28.60
30.60
9.80
10.60
15.90
16.40
9.00
9.30
3.00
3.20
Min.
Max.
0.173
0.181
0.098
0.106
0.098
0.108
0.016
0.028
0.030
0.039
0.045
0.067
0.045
0.067
0.195
0.205
0.094
0.106
0.394
0.409
0.630 typ.
1.125
1.205
0.386
0.417
0.626
0.646
0.354
0.366
0.118
0.126
Cooling method : C
Recommended torque value : 0.55 m.N
Maximum torque value : 0.70 m.N
5/8
STPS20L40CF/CW/CT/CFP
PACKAGE MECHANICAL DATA
TO-220FPAB
REF.
DIMENSIONS
Millimeters
Min.
Max.
Min.
Max.
A
4.4
4.9
0.173
0.193
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
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
A
B
H
Dia
L6
L2
L7
L3
F2
D
F1
L4
L2
F
E
G1
G
■
■
■
Cooling method : C
Recommended torque value : 0.55 m.N
Maximum torque value : 0.70 m.N
6/8
Inches
16 Typ.
0.63 Typ.
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
STPS20L40CF/CW/CT/CFP
PACKAGE MECHANICAL DATA
TO-220AB
DIMENSIONS
Dia
C
L5
L7
L6
L2
F2
D
L9
L4
F
M
G1
E
G
■
■
■
Millimeters
Inches
A
C
D
E
F
F1
F2
G
G1
H2
L2
L4
L5
L6
L7
L9
M
Diam.
Min.
Max.
4.40
4.60
1.23
1.32
2.40
2.72
0.49
0.70
0.61
0.88
1.14
1.70
1.14
1.70
4.95
5.15
2.40
2.70
10
10.40
16.4 typ.
13
14
2.65
2.95
15.25
15.75
6.20
6.60
3.50
3.93
2.6 typ.
3.75
3.85
Min.
Max.
0.173
0.181
0.048
0.051
0.094
0.107
0.019
0.027
0.024
0.034
0.044
0.066
0.044
0.066
0.194
0.202
0.094
0.106
0.393
0.409
0.645 typ.
0.511
0.551
0.104
0.116
0.600
0.620
0.244
0.259
0.137
0.154
0.102 typ.
0.147
0.151
A
H2
F1
REF.
Cooling method : C
Recommended torque value : 0.55 m.N
Maximum torque value : 0.70 m.N
7/8
STPS20L40CF/CW/CT/CFP
PACKAGE MECHANICAL DATA
TO-247
DIMENSIONS
REF.
V
Dia.
V
A
H
L5
L
L2 L4
F2
F1
L1
F3
V2
F4
D
L3
F(x3)
M
G
=
■
■
■
■
E
=
Millimeters
Min. Typ.
A
4.85
D
2.20
E
0.40
F
1.00
F1
3.00
F2
2.00
F3 2.00
F4 3.00
G
10.90
H 15.45
L 19.85
L1 3.70
L2
18.50
L3 14.20
L4
34.60
L5
5.50
M
2.00
V
5°
V2
60°
Dia. 3.55
Inches
Max.
5.15
2.60
0.80
1.40
2.40
3.40
15.75
20.15
4.30
14.80
3.00
3.65
Min. Typ. Max.
0.191
0.203
0.086
0.102
0.015
0.031
0.039
0.055
0.118
0.078
0.078
0.094
0.118
0.133
0.429
0.608
0.620
0.781
0.793
0.145
0.169
0.728
0.559
0.582
1.362
0.216
0.078
0.118
5°
60°
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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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.
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