STPS20SM60C
Power Schottky rectifier
Features
■
High current capability
■
Avalanche rated
■
Low forward voltage drop
■
High frequency operation
A1
K
A2
K
K
A2
A2
Description
A1
The STPS20SM60C is a dual diode Schottky
rectifier, suited for high frequency switch mode
power supply.
Packaged in TO-220AB, TO-220FPAB, I2PAK and
D2PAK, this device is intended to be used in
notebook, game station and desktop adapters,
providing in these aplications a good efficiency at
both low and high load.
Table 1.
Device summary
Symbol
Value
IF(AV)
2 x 10 A
VRRM
60 V
VF (typ)
0.420 V
Tj (max)
150 °C
K
A1
D2PAK
STPS20SM60CG-TR
I2PAK
STPS20SM60CR
K
A1
K
A2
A1
K
TO-220AB
STPS20SM60CT
A2
TO-220FPAB
STPS20SM60CFP
Electrical characteristics(a)
Figure 1.
I
V
"Forward"
I
2 x IO
X
IF
VRRM
VR
VAR
IO
X
V
IR
VTo VF(Io) VF VF(2xIo)
"Reverse"
IAR
a. VARM and IARM must respect the reverse safe
operating area defined in Figure 14. VAR and IAR are
pulse measurements (tp < 1 µs). VR, IR, VRRM and VF,
are static characteristics
October 2011
Doc ID 022015 Rev 1
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11
Characteristics
1
STPS20SM60C
Characteristics
Table 2.
Absolute ratings (limiting values, per diode, at Tamb = 25 °C unless
otherwise specified)
Symbol
Parameter
Value
Unit
VRRM
Repetitive peak reverse voltage
60
V
IF(RMS)
Forward rms current
30
A
IF(AV)
IFSM
Average forward current,
δ = 0.5
Tc = 135 °C Per diode
TO-220AB,
2
2
I PAK, D PAK Tc = 130 °C Per device
10
20
Tc = 110 °C Per diode
Tc = 90 °C Per device
10
20
TO-220FPAB
Surge non repetitive
forward current
tp = 10 ms sine-wave
PARM(1) Repetitive peak avalanche power
Tj = 25 °C, tp = 1 µs
A
220
A
8700
W
VARM(2)
Maximum repetitive peak
avalanche voltage
tp < 1 µs, Tj < 150 °C, IAR < 32.6 A
80
V
VASM(2)
Maximum single pulse
peak avalanche voltage
tp < 1 µs, Tj < 150 °C, IAR < 32.6 A
80
V
-65 to +175
°C
150
°C
Tstg
Tj
Storage temperature range
Maximum operating junction
temperature(3)
1. For temperature or pulse time duration deratings, please refer to Figure 4 and 5. More details regarding the
avalanche energy measurements and diode validation in the avalanche are provided in the application
notes AN1768 and AN2025.
2. See Figure 14
3.
1
dPtot <
condition to avoid thermal runaway for a diode on its own heatsink
Rth(j-a)
dTj
Table 3.
Thermal parameters
Symbol
Parameter
Value
TO-220AB
I2PAK, D2PAK
Rth(j-c)
Junction to case
TO-220FPAB
Rth(c)
Coupling
2PAK,
TO-220AB, I
per diode
2.00
total
1.13
per diode
4.90
total
4.05
D2PAK
0.25
TO-220FPAB
When the two diodes 1 and 2 are used simultaneously:
ΔTj(diode 1) = P(diode 1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
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Unit
°C/W
°C/W
STPS20SM60C
Table 4.
Characteristics
Static electrical characteristics (per diode)
Symbol
Parameter
IR(1)
Test conditions
Tj = 25 °C
Reverse leakage current
VR = VRRM
Tj = 125 °C
Tj = 25 °C
VF(2)
IF = 5 A
Tj = 125 °C
Forward voltage drop
Tj = 25 °C
IF = 10 A
Tj = 125 °C
Min.
Typ.
Max.
Unit
-
10
40
µA
-
5
25
mA
-
0.505
0.545
-
0.420
0.475
-
0.580
0.645
-
0.525
0.600
V
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: tp = 380 µs, δ < 2 %
To evaluate the conduction losses use the following equation:
P = 0.455 x IF(AV) + 0.0145 x IF2(RMS)
Figure 2.
Average forward power dissipation Figure 3.
versus average forward current
(per diode)
PF(AV)(W)
9
12
8
δ = 0.05
δ = 0.1
δ=1
δ = 0.5
δ = 0.2
Average forward current versus
ambient temperature
(δ = 0.5, per diode)
IF(AV)(A)
Rth(j-a) = Rth(j-c)
10
7
6
2
8
2
TO-220AB/I PAK/D PAK
5
TO-220FPAB
6
4
3
4
2
T
1
2
δ = tp / T
tp
IF(AV)(A)
0
0
1
2
Figure 4.
1
3
4
5
6
7
8
9
10
11
12
13
Normalized avalanche power
derating versus pulse duration
Tamb(°C)
0
0
25
Figure 5.
PARM(tp)
PARM(1µs)
1.2
50
75
100
125
150
Normalized avalanche power
derating versus junction
temperature
PARM(Tj)
PARM(25 °C)
1
0.1
0.8
0.6
0.4
0.01
0.2
0.001
0.01
tp(µs)
0.1
1
10
100
1000
0
25
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Tj(°C)
50
75
100
125
150
3/11
Characteristics
Figure 6.
160
STPS20SM60C
Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
IM(A)
Figure 7.
IM(A)
100
2
TO-220FPAB
2
TO-220AB/I PAK/D PAK
140
Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
90
80
120
70
100
60
Tc = 25 °C
80
Tc = 75 °C
60
Tc = 25 °C
50
Tc = 75 °C
40
30
40
Tc = 125 °C
IM
20
0
1.E-03
t
δ = 0.5
Figure 8.
1.0
10
t
δ = 0.5
0
1.E-01
1.E+00
Relative thermal impedance
junction to case versus pulse
duration
1.E-03
Figure 9.
Zth(j-c)/Rth(j-c)
1.0
2
1.E-02
1.E-01
1.E+00
Relative thermal impedance
junction to case versus pulse
duration
Zth(j-c)/Rth(j-c)
TO-220FPAB
2
TO-220AB/I PAK/D PAK
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.2
IM
t(s)
1.E-02
0.9
Tc = 125 °C
20
0.2
Single pulse
tp(s)
0.0
1.E-04
1.E-03
1.E-02
1.E-01
1.E+00
Figure 10. Reverse leakage current versus
reverse voltage applied
(typical values, per diode)
1.E+02
Single pulse
0.1
0.1
0.0
1.E-03
tp(s)
1.E-02
1.E-01
1.E+01
Figure 11. Junction capacitance versus
reverse voltage applied
(typical values, per diode)
IR(mA)
1000
C(pF)
F = 1 MHz
Vosc = 30 mVRMS
T = 25 °C
Tj = 150 °C
1.E+01
1.E+00
j
Tj = 125 °C
1.E+00
Tj = 100 °C
Tj = 75 °C
1.E-01
Tj = 50 °C
1.E-02
Tj = 25 °C
VR(V)
1.E-03
0
4/11
10
20
30
40
50
60
VR(V)
100
1
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100
STPS20SM60C
Characteristics
Figure 12. Forward voltage drop versus
forward current (per diode)
100.0
Figure 13. Thermal resistance junction to
ambient versus copper surface
under tab
IFM(A)
80
Tj = 125 °C
(Maximum values)
Rth(j-a)(°C/W)
2
Epoxy printed circuit board FR4
copper thickness = 35 µm
70
D PAK
60
10.0
Tj = 125 °C
(Typical values)
50
Tj = 25 °C
(Maximum values)
40
30
1.0
20
10
0.1
0.0
VFM(V)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Scu(cm²)
0
1.6
0
5
10
15
20
25
30
35
40
Figure 14. Reverse safe operating area (tp < 1 µs and Tj < 150 °C)
34.0
Iarm (A)
Ia rm (V a rm ) 150 °C, 1µs
32.0
30.0
28.0
26.0
24.0
22.0
Varm (V)
20.0
80
85
90
95
100
105
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115
120
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Package information
2
STPS20SM60C
Package information
●
Epoxy meets UL94, V0
●
Cooling method: by conduction (C)
●
Recommended torque value: 0.4 to 0.6 N·m
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Table 5.
TO-220AB dimensions
Dimensions
Ref.
Dia
Min.
Max.
Min.
Max.
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
F2
1.14
1.70
0.044
0.066
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
C
L5
L7
L6
L2
F2
D
L9
L4
L2
F
M
G1
16.4 Typ.
0.645 Typ.
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
E
G
M
Dia.
6/11
Inches
A
H2
F1
Millimeters
Doc ID 022015 Rev 1
2.6 Typ.
3.75
3.85
0.102 Typ.
0.147
0.151
STPS20SM60C
Package information
Table 6.
TO-220FPAB dimensions
Dimensions
Ref.
A
Millimeters
Inches
Min.
Max.
Min.
Max.
A
4.4
4.9
0.173
0.192
B
2.5
2.9
0.098
0.114
D
2.45
2.75
0.096
0.108
E
0.4
0.7
0.016
0.028
F
0.6
1
0.024
0.039
F1
1.15
1.7
0.045
0.067
F2
1.15
1.7
0.045
0.067
G
4.95
5.2
0.195
0.205
G1
2.4
2.7
0.094
0.106
H
10
10.7
0.394
0.421
B
H
Dia.
L6
L2
L7
L3
F1
L4
F2
D
L2
F
E
16 Typ.
0.630 Typ.
L3
28.6
30.6
1.126
1.205
L4
9.8
10.7
0.386
0.421
L6
15.8
16.4
0.622
0.646
L7
9
9.9
0.354
0.390
Dia.
2.9
3.5
0.114
0.138
G1
G
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Package information
Table 7.
STPS20SM60C
D2PAK dimensions
Dimensions
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
A
E
C2
L2
D
L
L3
A1
B2
R
C
B
G
A2
M
*
V2
* FLAT ZONE NO LESS THAN 2mm
R
0.40 typ.
V2
0°
0.016 typ.
8°
Figure 15. D2PAK footprint (dimensions in mm)
16.90
10.30
5.08
1.30
8.90
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0°
8°
STPS20SM60C
Package information
Table 8.
I2PAK dimensions
Dimensions
Ref.
Millimeters
Inches
Min.
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
A1
2.40
2.72
0.094
0.107
b
0.61
0.88
0.024
0.035
b1
1.14
1.70
0.044
0.067
c
0.49
0.70
0.019
0.028
c2
1.23
1.32
0.048
0.052
D
8.95
9.35
0.352
0.368
e
2.40
2.70
0.094
0.106
e1
4.95
5.15
0.195
0.203
E
10
10.40
0.394
0.409
L
13
14
0.512
0.551
L1
3.50
3.93
0.138
0.155
L2
1.27
1.40
0.050
0.055
A
E
c2
L2
D
L1
A1
b1
L
b
c
e
e1
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Ordering information
3
STPS20SM60C
Ordering information
Table 9.
Ordering information
Order code
4
STPS20SM60CT
STPS20SM60CT
STPS20SM60CFP
PS20SM60CFP
Package
Weight
TO-220AB
2.20 g
50
Tube
TO-220FPAB
2.0 g
50
Tube
2
Base qty Delivery mode
STPS20SM60CR
STPS20SM60CR
I PAK
1.49 g
50
Tube
STPS20SM60CG-TR
STPS20SM60CG
D2PAK
1.48 g
1000
Tape and reel
Revision history
Table 10.
10/11
Marking
Revision history
Date
Revision
14-Oct-2011
1
Changes
Initial release.
Doc ID 022015 Rev 1
STPS20SM60C
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Doc ID 022015 Rev 1
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