STPS20LCD80C
Datasheet
Power Schottky rectifier
A1
A2
K
K
TO-220AB
A1
K
A2
K
TO-220FPAB A1K
A2
K
I²PAK
K
A1
K
A2
K
A1
A2
D²PAK
K
A2
A1
Features
• High junction temperature capability
• Avalanche capability specified
• Insulated package: TO-220FPAB
– Insulating voltage = 2000 VRMS sine
• ECOPACK ® 2 compliant component for D²PAK, I²PAK, TO-220AB and
TO-220FPAB on demand
Description
This device is a dual Schottky rectifier suited for high frequency switch mode power supply.
Available in TO-220AB, TO-220FPAB, I 2 PAK and D 2 PAK, this device is intended to be used in LCD screens or adaptors providing such applications with good efficiency at both low and high load.
I
F(AV)
V
RRM
T j
(max)
V
F
(typ)
Product status
STPS20LCD80C
Product summary
2 x 10 A
80 V
175 °C
0.66 V
DS7078 - Rev 3 - April 2018
For further information contact your local STMicroelectronics sales office.
www.st.com
1
STPS20LCD80C
Characteristics
Characteristics
Table 1. Absolute ratings (limiting values, per diode, at T amb
25 °C, unless otherwise stated)
Symbol
V
RRM
I
F(RMS)
Repetitive peak reverse voltage
Forward rms current
I
I
F(AV)
FSM
P
ARM
T stg
T j
Maximum operating junction temperature
Parameter
(1)
Value
80
30
Unit
V
Average forward current δ = 0.5, square wave
TO-220AB,D 2 PAK, I 2 PAK
T
C
= 145 °C Per diode
T
C
= 140 °C Per device
TO-220FPAB
T
C
= 120 °C Per diode
T
C
= 85 °C Per device
Surge non repetitive forward current t p
= 10 ms sinusoidal
Repetitive peak avalanche power t p
= 10 µs, T j
= 125 °C
Storage temperature range
10
20
10
20
150
230
A
A
W
-65 to + 175 °C
+ 175
A
°C
1. (dP tot
/dT j
) < (1/R th(j-a)
) condition to avoid thermal runaway for a diode on its own heatsink.
Symbol
R th(j-c)
Junction to case
R th(c)
Coupling
Table 2. Thermal parameter
Parameter
TO-220AB, D 2 PAK, I 2 PAK
TO-220FPAB
TO-220AB, D 2 PAK, I 2 PAK
TO-220FPAB
TO-220AB, D 2 PAK, I 2 PAK
TO-220FPAB
Per diode
Total
-
Value
3.20
6.10
1.95
5.05
0.70
4.00
Unit
°C/W
°C/W
When the diodes 1 and 2 are used simultaneously:
ΔT j (diode1)
= P
(diode1)
x R th(j-c)
(per diode) + P
(diode2)
x R th(c)
DS7078 - Rev 3 page 2/18
STPS20LCD80C
Characteristics
Symbol
I
R
(1)
V
F
(2)
Table 3. Static electrical characteristics (per diode)
Parameter
Reverse leakage current
Forward voltage drop
Test conditions
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
I
I
V
F
F
R
= V
RRM
= 10 A
= 20 A
-
-
-
-
Min.
-
-
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 = 0.555 x I
F(AV)
+ 0.0155 I
F
2
(RMS)
Typ.
3.2
2.8
0.815
0.660
1.030
0.765
Max.
15
8
0.880
0.710
1.160
0.865
Unit
µA mA
V
DS7078 - Rev 3 page 3/18
STPS20LCD80C
Characteristics (curves)
1.2
Characteristics (curves)
Figure 1. Average forward power dissipation versus average forward current (per diode)
Figure 2. Average forward current versus ambient temperature (δ = 0.5, per diode)
Figure 3. Normalized avalanche power derating versus pulse duration (T j
= 125 °C)
1
P
ARM
(tp)
P
ARM
(10 µs)
Figure 4. Relative variation of thermal impedance junction to case versus pulse duration (TO-220AB, D 2 PAK,I 2 PAK)
0.1
0.01
0.001
1 10 100 1000
Figure 5. Relative thermal impedance junction to case versus pulse duration (TO-220FPAB)
Figure 6. Reverse leakage current versus reverse voltage applied (typical values, per diode)
DS7078 - Rev 3 page 4/18
STPS20LCD80C
Characteristics (curves)
Figure 7. Junction capacitance versus reverse voltage applied (typical values, per diode)
Figure 8. Forward voltage drop versus forward current
(per diode)
Figure 9. Reverse safe operating area Figure 10. Thermal resistance junction to ambient versus copper surface under tab for D 2 PAK
DS7078 - Rev 3 page 5/18
2
STPS20LCD80C
Package information
Package information
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.
DS7078 - Rev 3 page 6/18
2.1
•
•
•
•
TO-220AB package information
Cooling method: by conduction (C)
Epoxy meets UL 94,V0
Recommended torque value: 0.55 N·m
Maximum torque value: 0.7 N·m
Figure 11. TO-220AB package outline
STPS20LCD80C
TO-220AB package information
DS7078 - Rev 3 page 7/18
DS7078 - Rev 3
Ref.
H1
J1
L
L1
L20
L30
θP
Q
D1
E e e1
F
A b b1 c
D
STPS20LCD80C
TO-220AB package information
10.00
2.40
4.95
1.23
6.20
2.40
13.00
3.50
Min.
4.40
0.61
1.14
0.48
15.25
Table 4. TO-220AB package mechanical data
Dimensions
Millimeters
Max.
4.60
0.88
1.55
0.70
15.75
Min.
0.173
0.240
0.045
0.019
0.600
1.27 typ.
10.40
2.70
5.15
1.32
6.60
2.72
14.00
3.93
0.394
0.094
0.195
0.048
0.244
0.094
0.512
0.138
16.40 typ.
28.90 typ.
3.75
2.65
3.85
2.95
0.148
0.104
Inches
0.050 typ.
0.646 typ.
1.138 typ.
0.409
0.106
0.203
0.052
0.260
0.107
0.551
0.155
Max.
0.181
0.035
0.061
0.028
0.620
0.152
0.116
page 8/18
2.2
•
•
•
•
TO-220FPAB package information
Cooling method: by conduction (C)
Epoxy meets UL 94,V0
Recommended torque value: 0.55 N·m
Maximum torque value: 0.7 N·m
Figure 12. TO-220FPAB package outline
STPS20LCD80C
TO-220FPAB package information
H
A
B
Dia.
L7 L2
L6
L3
F1
F2
F
G
G1
L4
E
D
DS7078 - Rev 3 page 9/18
DS7078 - Rev 3
Ref.
F1
F2
G
G1
H
A
B
D
E
F
L5
L6
L7
Dia
L2
L3
L4
STPS20LCD80C
TO-220FPAB package information
28.60
9.80
2.90
15.90
9.00
3.0
Min.
1.15
1.15
4.95
2.40
10.00
4.40
2.5
2.50
0.45
0.75
Millimeters
Max.
1.70
1.70
5.20
2.70
10.40
4.60
2.7
2.75
0.70
1.0
16.00 typ.
30.60
10.6
3.60
16.40
9.30
3.20
Table 5. TO-220FPAB package mechanical data
Dimensions
Inches (for reference only)
Min.
Max.
0.1739
0.0988
0.0988
0.0178
0.0296
0.0455
0.0455
0.1957
0.0949
0.3953
0.1818
0.1067
0.1087
0.0277
0.0395
0.0672
0.0672
0.2055
0.1067
0.4111
0.6324 typ.
1.1304
0.3874
0.1146
0.6285
0.3557
0.1186
1.2095
0.4190
0.1423
0.6482
0.3676
0.1265
page 10/18
2.3
•
•
I²PAK package information
Cooling method: by conduction (C)
Epoxy meets UL 94,V0
Figure 13. I²PAK package outline
STPS20LCD80C
I²PAK package information
DS7078 - Rev 3 page 11/18
Ref.
c2
D e e1
E
L
L1
L2
A
A1 b b1 c
STPS20LCD80C
I²PAK package information
Min.
1.23
8.95
2.40
4.95
10.00
4.40
2.40
0.61
1.14
0.49
13.00
3.50
1.27
Table 6. I²PAK package mechanical data
Dimensions
Millimeters
Max.
1.32
9.35
2.70
5.15
10.40
4.60
2.72
0.88
1.70
0.70
14.00
3.93
1.40
Min.
0.048
0.352
0.094
0.195
0.394
0.173
0.094
0.024
0.044
0.019
0.512
0.138
0.050
Inches
Max.
0.052
0.368
0.106
0.203
0.409
0.181
0.107
0.035
0.067
0.028
0.551
0.155
0.055
DS7078 - Rev 3 page 12/18
2.4
•
•
D²PAK package information
Cooling method: by conduction (C)
Epoxy meets UL 94,V0
Figure 14. D²PAK package outline
STPS20LCD80C
D²PAK package information
DS7078 - Rev 3 page 13/18
DS7078 - Rev 3
Ref.
L2
R
V2
J1
L
L1
E1
E2 e e1
H c2
D
D1
D2
E
A
A1 b b2 c
STPS20LCD80C
D²PAK package information
4.88
15.00
2.49
1.90
1.27
1.30
Min.
1.19
8.60
6.90
1.10
10.00
8.10
6.85
4.36
0.00
0.70
1.14
0.38
Table 7. D²PAK package mechanical data
Dimensions
Millimeters
Max.
1.36
9.35
8.00
1.50
10.55
8.90
7.25
4.60
0.25
0.93
1.70
0.69
Min.
0.047
0.339
0.272
0.043
0.394
0.319
0.266
0.172
0.000
0.028
0.045
0.015
2.54 typ.
5.28
15.85
2.90
2.79
1.65
1.78
0.190
0.591
0.097
0.075
0.049
0.050
0.4 typ.
0° 8° 0°
Inches
0.100
0.015
Max.
0.053
0.368
0.311
0.060
0.415
0.346
0.282
0.181
0.010
0.037
0.067
0.027
0.205
0.624
0.112
0.110
0.065
0.070
8° page 14/18
12.20
Figure 15. D²PAK Recommended footprint
16.90
STPS20LCD80C
D²PAK package information
3.50
2.54
1.60
5.08
9.75
DS7078 - Rev 3 page 15/18
3
STPS20LCD80C
Ordering information
Ordering information
Order code
STPS20LCD80CT
STPS20LCD80CFP
STPS20LCD80CR
STPS20LCD80CG-TR
Table 8. Ordering information
Marking
STPS20LCD80C
STPS20LCD80C
STPS20LCD80C
STPS20LCD80C
Package
TO-220AB
TO-220FPAB
I 2 PAK
D 2 PAK
Weight
1.95 g
1.9 g
1.5 g
1.38 g
Base qty
50
50
50
1000
Delivery mode
Tube
Tube
Tube
Tape and reel
DS7078 - Rev 3 page 16/18
STPS20LCD80C
Revision history
Table 9. Document revision history
Date
11-Jan-2011
Revision
1
Changes
First full version, consolidating the previous internal release of march 2013. Updated the DPAK package information.
29-Jul-2015 2
10-Apr-2018 3
Updated features, and packages silhouette in cover page. Updated Section 2: "Characteristics" and
Section 2.1:"Characteristics (curves)" Updated Section 3.2: "D²PAK package information.
Updated I²PAK package information.
DS7078 - Rev 3 page 17/18
STPS20LCD80C
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DS7078 - Rev 3 page 18/18
