STPS20SM120S [STMICROELECTRONICS]
Power Schottky rectifier;
| 型号： | STPS20SM120S |
| 厂家： | 
ST |
| 描述： | Power Schottky rectifier |
| 文件： | 总14页 (文件大小：208K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STPS20SM120S
Power Schottky rectifier
Datasheet - production data
Description
This Schottky diode is suited for high frequency
switch mode power supply.
$
$
.
.
Packaged in TO-220AB narrow leads, TO-220AB,
2
TO-220FPAB and I PAK, this device is intended
to be used in notebook, game station and desktop
adapters, providing in these applications a good
efficiency at both low and high load.
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Table 1. Device summary
Symbol
Value
I
20 A
120 V
150 °C
0.49 V
F(AV)
$
V
.
RRM
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Figure 1.
Electrical characteristics
Features
I
V
I
•
•
•
•
•
High current capability
Avalanche rated
"Forward"
2 x I
X
O
Low forward voltage drop
I
F
High frequency operation
I
O
X
V
AR
RRM
V
R
V
Insulated package TO220FP-AB:
V
– Insulated voltage: 2000 V
sine
I
R
RMS
®
V
V
V
V
F F(2xI
F(I
)
)
o
•
ECOPACK 2 compliant component on
TO-220AB and TO-220FPAB.
To
o
"Reverse"
I
AR
a. VARM and IARM must respect the reverse safe
operating area defined in Figure 9. VAR and IAR are
pulse measurements (tp < 10 µs). VR, IR, VRRM and
VF, are static characteristics
November 2014
DocID022921 Rev 2
1/14
This is information on a product in full production.
www.st.com
Characteristics
STPS20SM120S
1
Characteristics
Table 2. Absolute ratings (limiting values with terminals 1 and 3 short circuited at T
= 25 °C,
Unit
amb
unless otherwise specified)
Symbol
Parameter
Value
V
Repetitive peak reverse voltage
Forward rms current
120
50
V
A
A
A
W
V
V
RRM
I
F(RMS)
I
Average forward current
20
F(AV)
I
Surge non repetitive forward current
Repetitive peak avalanche power
t = 10 ms sine-wave
220
900
150
150
FSM
(1)
p
P
T = 125 °C, t = 10 µs
j p
ARM
(2)
(2)
V
Maximum repetitive peak avalanche voltage
t < 10 µs, T < 125 °C, I < 6A
p j AR
ARM
V
Maximum single-pulse peak avalanche voltage t < 10 µs, T < 125 °C, I < 6A
p j AR
ASM
T
Storage temperature range
-65 to +175 °C
150 °C
stg
(3)
T
Maximum operating junction temperature
j
1. For pulse time duration deratings, please refer to Figure 4. More details regarding the avalanche energy measurements
and diode validation in the avalanche are provided in the STMicroelectronics Application notes AN1768, “Admissible
avalanche power of Schottky diodes” and AN2025, “Converter improvement using Schottky rectifier avalanche
specification”.
2. See Figure 9
1
dPtot
dTj
<
3.
condition to avoid thermal runaway for a diode on its own heatsink
Rth(j-a)
Table 3. Thermal resistance
Parameter
Symbol
Value
Unit
TO-220AB and TO-220AB narrow leads
TO-220FPAB
1.55
4
R
Junction to case
°C/W
th(j-c)
Table 4. Static electrical characteristics (terminals 1 and 3 short circuited)
Symbol
Parameter
Test conditions
T = 25 °C
Min.
Typ.
Max.
Unit
-
-
-
-
-
-
-
40
15
210
40
µA
j
(1)
I
Reverse leakage current
V = V
R RRM
R
T = 125 °C
mA
j
T = 125 °C
I = 5 A
0.49
0.54
0.75
0.62
0.89
0.72
j
F
T = 25 °C
j
I = 10 A
F
(2)
V
Forward voltage drop
T = 125 °C
0.57
0.65
V
F
j
T = 25 °C
I = 20 A
F
j
T = 125 °C
j
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:
2
P = 0.56 x IF(AV) + 0.008 x IF (RMS)
2/14
DocID022921 Rev 2
STPS20SM120S
Characteristics
Figure 2.
Average forward power dissipation Figure 3.
versus average forward current
Average forward current versus
ambient temperature (δ = 0.5)
IF(AV)(A)
PF(AV)(W)
24
24
20
16
12
8
R
= R
th(j-c)
th(j-a)
δ = 1
δ = 0.2
δ = 0.1
δ = 0.5
δ = 0.05
20
16
12
8
4
T
4
T
IF(AV)(A)
Tamb(°C)
δ = tp / T
tp
δ = tp / T
tp
0
0
0
4
8
12
16
20
24
28
0
25
50
75
100
125
150
Figure 4.
Normalized avalanche power
derating versus pulse duration
Figure 5.
Relative variation of thermal
impedance junction to case versus
pulse duration
3
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Zth(j-c)/Rth(j-c)
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3
ꢇ
ꢂꢆꢇ
0.9
0.8
0.7
0.6
0.5
0.4
ꢂꢆꢂꢇ
Single pulse
0.3
0.2
0.1
0.0
W
ꢄVꢅ
tp(s)
3
ꢂꢆꢂꢂꢇ
1.E-04
1.E-03
1.E-02
1.E-01
1.E+00
ꢇ
ꢇꢂꢂꢂ
ꢇꢂ
ꢇꢂꢂ
Figure 6.
Reverse leakage current versus
reverse voltage applied
(typical values)
Figure 7.
Junction capacitance versus
reverse voltage applied
(typical values)
IR(mA)
C(pF)
1000
1.E+02
1.E+01
1.E+00
1.E-01
1.E-02
1.E-03
F=1MHz
Vosc =30mVRMS
T=25°C
j
=150
Tj °C
Tj=150°C
Tj=100°C
Tj=75°C
Tj=50°C
Tj=25°C
VR(V)
VR(V)
100
1
10
100
1000
0
10
20
30
40
50
60
70
80
90 100 110 120
DocID022921 Rev 2
3/14
14
Characteristics
STPS20SM120S
Figure 8.
Forward voltage drop versus
Figure 9.
Reverse safe operating area
forward current
(t < 10 µs and T < 125 °C)
p
j
IFM(A)
1000.0
100.0
10.0
1.0
Iarm (A)
8.0
7.5
7.0
6.5
6.0
5.5
T=125°C
j
(Maximum values)
T=125°C
j
(Typical values)
T=25°C
j
(Maximum values)
Varm (V)
5.0
VFM(V)
120
130
140
150
160
170
0.1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
4/14
DocID022921 Rev 2
STPS20SM120S
Package information
2
Package information
•
•
•
Epoxy meets UL94, V0
Cooling method: by conduction (C)
Recommended torque value for TO-220AB and TO-220FPAB: 0.4 N·m 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.
Figure 10. TO-220AB narrow leads dimension definitions
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DocID022921 Rev 2
5/14
14
Package information
STPS20SM120S
Table 5. TO-220AB narrow leads dimension values
Dimensions
Ref.
Millimeters
Typ.
Inches
Min.
Max.
Min.
Typ.
Max.
A
b
4.40
0.61
0.95
0.48
15.25
4.60
0.88
1.20
0.70
15.75
0.17
0.024
0.037
0.019
0.60
0.18
0.034
0.047
0.027
0.62
b1
c
D
D1
E
1.27
0.05
10.00
2.40
4.95
1.23
6.20
2.40
13.00
2.60
10.40
2.70
5.15
1.32
6.60
2.72
14.00
2.90
0.39
0.094
0.19
0.41
0.106
0.20
e
e1
F
0.048
0.24
0.052
0.26
H1
J1
L
0.095
0.51
0.107
0.55
L1
L20
L30
∅P
Q
0.102
0.114
15.40
28.90
0.61
1.14
3.75
2.65
3.85
2.95
0.147
0.104
0.151
0.116
6/14
DocID022921 Rev 2
STPS20SM120S
Package information
Figure 11. TO-220AB dimension definitions
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DocID022921 Rev 2
7/14
14
Package information
STPS20SM120S
Table 6. TO-220AB dimension values
Dimensions
Ref.
Millimeters
Inches
Min.
Max.
Min.
Max.
A
b
4.40
0.61
1.14
0.48
15.25
4.60
0.88
1.50
0.70
15.75
0.17
0.024
0.045
0.019
0.60
0.181
0.035
0.059
0.027
0.62
b1
c
D
D1
E
1.27 typ.
0.05 typ.
10
10.40
2.70
5.15
1.32
6.60
2.72
14
0.39
0.094
0.19
0.41
0.106
0.20
e
2.40
4.95
1.23
6.20
2.40
13
e1
F
0.048
0.24
0.052
0.26
H1
J1
L
0.094
0.51
0.107
0.55
L1
L20
L30
∅P
Q
3.50
3.93
0.137
0.154
16.40 typ.
28.90 typ.
0.64 typ.
1.13 typ.
3.75
2.65
3.85
2.95
0.147
0.104
0.151
0.116
8/14
DocID022921 Rev 2
STPS20SM120S
Package information
Figure 12. TO-220FPAB dimension definitions
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DocID022921 Rev 2
9/14
14
Package information
STPS20SM120S
Table 7. TO-220FPAB dimension values
Dimensions
Ref.
Millimeters
Inches
Min.
Max.
Min.
Max.
A
B
4.4
2.5
4.6
2.7
0.173
0.098
0.098
0.018
0.030
0.045
0.045
0.195
0.094
0.393
0.181
0.106
0.108
0.027
0.039
0.067
0.067
0.205
0.106
0.409
D
2.5
2.75
0.70
1
E
0.45
0.75
1.15
1.15
4.95
2.4
F
F1
F2
G
1.70
1.70
5.20
2.7
G1
H
10
10.4
L2
L3
L4
L5
L6
L7
Dia.
16 Typ.
0.63 Typ.
28.6
9.8
30.6
10.6
3.6
1.126
0.386
0.114
0.626
0.354
0.118
1.205
0.417
0.142
0.646
0.366
0.126
2.9
15.9
9.00
3.00
16.4
9.30
3.20
10/14
DocID022921 Rev 2
STPS20SM120S
Package information
Figure 13. I²PAK dimension definitions
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DocID022921 Rev 2
11/14
14
Package information
STPS20SM120S
Table 8. I²PAK dimension values
Dimensions
Ref.
Millimeters
Inches
Min.
Max.
Min.
Max.
A
A1
b
4.40
2.40
0.61
1.14
0.49
1.23
8.95
2.40
4.95
10
4.60
2.72
0.88
1.70
0.70
1.32
9.35
2.70
5.15
10.40
14
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
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
b1
c
c2
D
e
e1
E
L
13
L1
L2
3.50
1.27
3.93
1.40
12/14
DocID022921 Rev 2
STPS20SM120S
Ordering information
3
Ordering information
Table 9. Ordering information
Order code
Marking
Package
Weight
Base qty Delivery mode
2
STPS20SM120SR
PS20SM120SR
I PAK
1.49 g
50
50
Tube
Tube
TO-220AB
narrow leads
STPS20SM120STN
PS20SM120STN
PS20SM120ST
1.9 g
STPS20SM120ST
STPS20SM120SFP
TO-220AB
2.2 g
1.7 g
50
50
Tube
Tube
PS20SM120SFP TO-220FPAB
4
Revision history
Table 10. Document revision history
Changes
Date
Revision
02-Apr-2012
13-Nov-2014
1
2
First issue.
Added TO-220AB and TO-220FPAB package information.
DocID022921 Rev 2
13/14
14
STPS20SM120S
IMPORTANT NOTICE – PLEASE READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and
improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on
ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order
acknowledgement.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or
the design of Purchasers’ products.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2014 STMicroelectronics – All rights reserved
14/14
DocID022921 Rev 2
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