STPS20M80C
Power Schottky rectifier
Features
■
■
■
■
■
High junction temperature capability
Optimized trade-off between leakage current and forward voltage drop
Low leakage current
Avalanche capability specified
Insulated package TO-220FPAB
– insulated voltage: 2000 V
– package capacitance: 45 pF
K
A1
A2
K
A2
K
A1
I
2
PAK
STPS20M80CR
K
K
A2
A1
D
2
PAK
STPS20M80CG-TR
Description
This dual diode Schottky rectifier is suited for high frequency switch mode power supply.
Packaged in TO-220AB, I
2
PAK, D
2
PAK and TO-
220FPAB, this device is particularly suited for use in notebook, game station, LCD TV and desktop adapters, providing these applications with a good efficiency at both low and high load.
A2
K
A1
TO-220AB
STPS20M80CT
A1
K
A2
TO-220FPAB
STPS20M80CFP
Figure 1.
Electrical characteristics
(a)
Table 1.
Device summary
I
V
Symbol Value
"Forward"
2 x 10 A
I
2 x I
O X
I
F(AV)
V
RRM
80 V
I
F
T j
(max) 175 °C
I
O X
V
F
(typ) 490 mV
V
AR
V
RRM
V
R
I
R
VTo V
F
V Obsolete Product(s) - Obsolete Product(s)
V F(Io) V F(2xIo)
"Reverse"
I
AR
April 2011 a.
V
ARM
and I
ARM
must respect the reverse safe
operating area defined in Figure 13 . V
AR
and I
AR
are pulse measurements (t p
< 1 µs). V
R
, I
R
, V
RRM
and V
F
, are static characteristics
Doc ID 018724 Rev 1 1/11 www.st.com
11
STPS20M80C Characteristics
1 Characteristics
Table 2.
Symbol
Absolute ratings (limiting values, per diode, at T amb
= 25 °C unless otherwise specified)
Parameter Value Unit
V
RRM
I
F(RMS)
Repetitive peak reverse voltage
Forward rms current
I
F(AV)
Average forward current,
δ
= 0.5
TO-220AB,
I
2
PAK, D
2
PAK
T c
= 160 °C
T c
= 155 °C
TO-220FPAB
T c
= 135 °C
T c
= 115 °C
Per diode
Per device
Per diode
Per device
V
I
FSM
ARM
(2)
Surge non repetitive forward current
Maximum repetitive peak avalanche voltage t t p p
= 10 ms sinusoidal
P
ARM
(1)
Repetitive peak avalanche power
< 1 µs, T j
T j
= 25 °C, t
< 150 °C, I
AR p
T c
= 25 °C
= 1 µs
< 20.1 A
V
ASM
(2)
Maximum single pulse peak avalanche voltage t p
< 1 µs, T j
< 150 °C, I
AR
< 20.1 A
80
30
10
20
10
20
220
6700
100
100
V
A
A
A
W
V
V
T stg
T j
Storage temperature range
Maximum operating junction temperature
(3)
-65 to +175 °C
175 °C
1.
For temperature or pulse time duration deratings, please refer to figure 3 and 4. 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 13
3.
dPtot dTj
<
1
Rth(j-a)
condition to avoid thermal runaway for a diode on its own heatsink
Table 3.
Thermal parameters
Symbol Parameter Value Unit per diode 2.0
TO-220AB
I
2
PAK, D
2
PAK total 1.10
R th(j-c)
Junction to case °C/W per diode 4.90
TO-220FPAB total 4.05
Obsolete Product(s) - Obsolete Product(s)
Coupling
TO-220AB
0.20
°C/W R th(c)
I
2
PAK, D
2
PAK
TO-220FPAB 3.20
When the two diodes 1 and 2 are used simultaneously:
Δ
T j
(diode 1) = P(diode 1) x R th(j-c)
(Per diode) + P(diode 2) x R th(c)
2/11 Doc ID 018724 Rev 1
STPS20M80C Characteristics
Table 4.
Symbol
Static electrical characteristics (per diode)
Parameter Test conditions
I
R
(1)
V
F
(2)
Reverse leakage current
Forward voltage drop
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
V
R
= V
RRM
I
F
= 5 A
I
F
= 10 A
I
F
= 20 A
1.
Pulse test: t p
= 5 ms,
δ
< 2 %
2.
Pulse test: t p
= 380 µs,
δ
< 2 %
To evaluate the conduction losses use the following equation:
P = 0.51 x I
F(AV)
+ 0.0115 x I
F
2
(RMS)
Min.
-
-
-
-
-
-
-
-
Typ.
7
6.2
0.555
0.490
0.670
0.575
0.810
0.670
Max.
30
20
0.610
0.530
0.740
0.625
0.905
0.740
Unit
µA mA
V
Figure 2.
Average forward power dissipation versus average forward current
(per diode)
Figure 3.
Average forward current versus ambient temperature
(
δ
= 0.5, per diode)
9
P
F(AV)
(W)
8
7
6
5
4
3
2
1
0
0 1 2 3
δ = 0.05
δ
= 0.1
δ = 0.2
4 5 6
δ = t / T
7 8
T t p
9
δ
= 0.5
10
δ = 1
I
F(AV)
(A)
11 12
12
I
F(AV)
(A)
11
10
9
8
7
4
3
2
1
0
6
5
0 25 50 75
Rth(j-a) = Rth(j-c)
TO-220FPAB
T amb
(°C)
100 125 150 175
Figure 4.
Normalized avalanche power derating versus pulse duration
Figure 5.
Normalized avalanche power derating versus junction temperature
P
ARM
(T ) P
ARM
(tp)
P
ARM
(1µs) P
ARM
(25 °C) Obsolete Product(s) - Obsolete Product(s)
1
0.1
0.01
0.001
0.01
0.1
1 10 100
0.8
0.6
0.4
0.2
1000
0
25 50 75 100 125 150
Doc ID 018724 Rev 1 3/11
Characteristics STPS20M80C
Figure 6.
Non repetitive surge peak forward current versus overload duration
(maximum values, per diode)
Figure 7.
Non repetitive surge peak forward current versus overload duration
(maximum values, per diode)
180
160
140
120
100
80
60
40
20
0
1.E-03
I
M t
δ = 0.5
1.E-02 1.E-01 t(s)
1.E+00
110
100
90
80
70
60
50
40
30
20
10
I
0
1.E-03
M t
δ = 0.5
1.E-02 1.E-01
TO-220FPAB t(s)
1.E+00
Figure 8.
Relative thermal impedance junction to case versus pulse duration
1.0
Z th(j-c)
/R th(j-c)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.E-04
Single pulse
1.E-03 1.E-02 1.E-01 1.E+00
Figure 9.
Relative thermal impedance junction to case versus pulse duration (TO-220FPAB)
1.0
Z th(j-c)
/R th(j-c)
TO-220FPAB
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
Single pulse
0.1
0.0
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
Figure 10.
Reverse leakage current versus reverse voltage applied
(typical values, per diode)
1.E+05
Figure 11.
Junction capacitance versus reverse voltage applied
1000
C(pF)
(typical values, per diode)
F = 1 MHz
V osc
= 30 mV
RMS
1.E+04
100
1.E+02
1.E+01
1.E+00
0 10 20 30 40 50 60 70 80
10
1 10 100
4/11 Doc ID 018724 Rev 1
STPS20M80C Characteristics
Figure 12.
Forward voltage drop versus forward current (per diode)
20
I
FM
(A)
18
16
14
12
10
8
(Maximum values)
(Typical values)
6
4
2
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
(Maximum values)
0.7
0.8
V
FM
(V)
0.9
1.0
Figure 13.
Reverse safe operating area
(t p
< 1 µs and T j
< 150 °C)
I arm
(A)
20.0
I arm
(V arm
) 150 °C, 1 µs
19.0
18.0
17.0
16.0
15.0
14.0
13.0
V arm
(V)
12.0
100 105 110 115 120 125 130 135 140 145 150
Figure 14.
Thermal resistance junction to ambient versus copper surface under tab for D
2
PAK
80
R th(j-a)
(°C/W) epoxy printed board copper thickness = 35 µm
70
2
D PAK
60
50
40
30
20
10
0
0 5 10 15 20 25 30
2
S
Cu
(cm )
35 40
Obsolete Product(s) - Obsolete Product(s)
Doc ID 018724 Rev 1 5/11
Package information STPS20M80C
●
●
●
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.
Millimeters Inches
Min.
Max.
Min.
Max.
L2
F2
F1
F
G1
H2
Dia
G
L5
L9
L6
L4
C
D
M
A
E
L7
H2
L2
L4
L5
L6
F2
G
G1
A
C
D
E
F
F1
4.40
1.23
2.40
0.49
0.61
1.14
1.14
4.95
2.40
1.70
5.15
2.70
10 10.40
16.4 Typ.
13 14
2.65
15.25
2.95
15.75
4.60
1.32
2.72
0.70
0.88
1.70
0.173
0.048
0.094
0.019
0.024
0.044
0.044
0.194
0.094
0.066
0.202
0.106
0.393
0.409
0.645 Typ.
0.511
0.551
0.104
0.600
0.116
0.620
0.181
0.051
0.107
0.027
0.034
0.066
L7
L9
6.20
3.50
6.60
3.93
0.244
0.137
0.259
0.154
M 2.6 Typ.
0.102 Typ.
Dia.
3.75
3.85
0.147
0.151
6/11 Doc ID 018724 Rev 1
STPS20M80C Package information
Table 6.
L7
F1
F2
H
F
G
G1
TO-220FPAB dimensions
L2
L6
L3
L4
Ref.
A
B
E
D
Dia.
G1
H
L2
L3
L4
L6
L7
Dia.
D
E
A
B
F
F1
F2
G
Dimensions
Millimeters
Min.
Max.
4.4
2.5
2.45
0.4
0.6
1.15
1.15
4.95
2.4
10
16 Typ.
2.7
10.7
28.6
9.8
15.8
9
2.9
30.6
10.7
16.4
9.9
3.5
4.9
2.9
2.75
0.7
1
1.7
1.7
5.2
Inches
Min.
Max.
0.173
0.098
0.096
0.016
0.024
0.045
0.045
0.195
0.094
0.394
0.106
0.421
0.630 Typ.
1.126
0.386
0.622
0.354
0.114
1.205
0.421
0.646
0.390
0.138
0.192
0.114
0.108
0.028
0.039
0.067
0.067
0.205
Obsolete Product(s) - Obsolete Product(s)
Doc ID 018724 Rev 1 7/11
Package information STPS20M80C
Table 7.
D
2
PAK dimensions
Ref.
L
L2
L3
E
G
B2
B
A1
C2
C
M
A2
*
A
R
V2
D
* FLAT ZONE NO LESS THAN 2mm
B2
C
C2
D
E
G
A
A1
A2
B
L
L2
L3
M
R
V2
Figure 15.
D
2
PAK footprint (dimensions in mm)
16.90
Dimensions
Millimeters Inches
Min.
Max.
4.40
2.49
0.03
0.70
1.14
0.45
1.23
8.95
10.00
4.88
15.00
1.27
1.40
15.85
1.40
1.75
2.40
3.20
0.40 typ.
0° 8°
4.60
2.69
0.23
0.93
1.70
0.60
1.36
9.35
10.40
5.28
Min.
Max.
0.173
0.098
0.001
0.027
0.045
0.017
0.048
0.352
0.393
0.192
0.590
0.050
0.055
0.624
0.055
0.069
0.094
0.126
0.016 typ.
0° 8°
0.181
0.106
0.009
0.037
0.067
0.024
0.054
0.368
0.409
0.208
10.30
5.08
1.30
Obsolete Product(s) - Obsolete Product(s)
8.90
3.70
8/11 Doc ID 018724 Rev 1
STPS20M80C
Table 8.
I
2
PAK dimensions
Package information
E c2
A
L2
L
L1 e e1 b b1
D
A1 c c c2
D e e1
E
L
L1
L2
A
A1 b b1
Ref.
Dimensions
Millimeters Inches
Min.
0.49
1.23
8.95
2.40
4.95
10
4.40
2.40
0.61
1.14
13
3.50
1.27
Max.
4.60
2.72
0.88
1.70
0.70
1.32
9.35
2.70
5.15
10.40
14
3.93
1.40
Min.
0.173
0.094
0.024
0.044
0.019
0.048
0.352
0.094
0.195
0.394
0.512
0.138
0.050
Max.
0.181
0.107
0.035
0.067
0.028
0.052
0.368
0.106
0.203
0.409
0.551
0.155
0.055
Obsolete Product(s) - Obsolete Product(s)
Doc ID 018724 Rev 1 9/11
Ordering information STPS20M80C
Table 9.
Ordering information
Order code Marking
STPS20M80CT
STPS20M80CFP
STPS20M80CR
STPS20M80CG-TR
STPS20M80CT
STPS20M80CFP
STPS20M80CR
STPS20M80CG
Package
TO-220AB
TO-220FPAB
I
2
PAK
D
2
PAK
Weight Base qty Delivery mode
1.9 g
2.0 g
1.49 g
1.48 g
50
50
50
1000
Tube
Tube
Tube
Tape and reel
Table 10.
Revision history
Date Revision
11-Apr-2011 1 First issue.
Changes
Obsolete Product(s) - Obsolete Product(s)
10/11 Doc ID 018724 Rev 1
STPS20M80C
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Obsolete Product(s) - Obsolete Product(s)
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Doc ID 018724 Rev 1 11/11
