STMICROELECTRONICS STPS20L45CG

STPS20L45CF/CW/CT/CFP/CG
®
LOW DROP POWER SCHOTTKY RECTIFIER
MAJOR PRODUCTS CHARACTERISTICS
A1
K
K
IF(AV)
2 x 10 A
VRRM
45 V
Tj (max)
150°C
VF (max)
0.5 V
A2
A2
A1
2
D PAK
STPS20L45CG
FEATURES AND BENEFITS
■
■
■
■
LOW FORWARD VOLTAGE DROP MEANING
VERY SMALL CONDUCTION LOSSES
LOW SWITCHING LOSSES ALLOWING HIGH
FREQUENCY OPERATION
INSULATED
PACKAGE:
ISOWATT220AB,
TO-220FPAB
Insulating voltage = 2000V DC
Capacitance = 12pF
AVALANCHE CAPABILITY SPECIFIED
DESCRIPTION
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.
A2
A1
A2
K
A1
K
TO-220AB
STPS20L45CT
TO-220FPAB
STPS20L45CFP
A2
A1
K
A2
ISOWATT220AB
STPS20L45CF
K
A1
TO-247
STPS20L45CW
ABSOLUTE RATINGS (limiting values, per diode)
Symbol
Parameter
VRRM Repetitive peak reverse voltage
IF(RMS) RMS forward current
IF(AV)
Average forward
TO-220AB / D2PAK
current
TO-247
ISOWATT220AB
TO-220FPAB
IFSM
Surge non repetitive forward current
IRRM
Peak repetitive reverse current
IRSM
Non repetitive peak reverse current
PARM Repetitive peak avalanche power
Tstg
Storage temperature range
Tj
Maximum operating junction temperature *
dV/dt Critical rate of rise of reverse voltage
* :
Value
45
30
10
Tc = 135°C Per diode
20
δ = 0.5
Per device
10
Tc = 115°C Per diode
20
δ = 0.5
Per device
180
tp = 10 ms Sinusoidal
1
tp=2 µs square F=1kHz
2
tp = 100 µs square
4000
tp = 1µs Tj = 25°C
- 65 to + 150
150
10000
Unit
V
A
A
A
A
A
A
W
°C
°C
V/µs
dPtot
1
thermal runaway condition for a diode on its own heatsink
<
dTj
Rth( j − a )
July 2003 - Ed: 3C
1/9
STPS20L45CF/CW/CT/CFP/CG
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
D2PAK
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
65
Tj = 125°C
Forward voltage drop
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
Max.
Unit
0.2
mA
130
mA
0.55
V
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
2/9
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
STPS20L45CF/CW/CT/CFP/CG
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,
D 2PAK).
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, D2PAK).
0
75
100
125
150
IM(A)
100
90
80
70
60
50
40
30
20 IM
10
0
1E-3
Tc=25°C
Tc=50°C
Tc=100°C
t
t(s)
δ=0.5
1E-2
1E-1
1E+0
Fig. 6-2: Relative variation of thermal impedance
junction to case versus pulse duration
(ISOWATT220AB, TO-220FPAB).
Zth(j-c)/Rth(j-c)
1.0
0.8
0.4
50
Fig. 5-2: Non repetitive surge peak forward
current versus overload duration (maximum
values,
per
diode,
ISOWATT220AB,
TO-220FPAB).
Zth(j-c)/Rth(j-c)
1.0
0.6
25
0.8
δ = 0.5
0.6
0.4
δ = 0.2
δ = 0.1
T
0.2
0.2
δ = 0.5
δ = 0.2
T
δ = 0.1
Single pulse
tp(s)
0.0
1E-3
1E-2
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
3/9
STPS20L45CF/CW/CT/CFP/CG
Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values, per diode).
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values, per diode).
C(pF)
IR(mA)
2000
2E+2
1E+2
F=1MHz
Tj=25°C
Tj=150°C
1000
Tj=125°C
1E+1
1E+0
Tj=75°C
1E-1
Tj=25°C
1E-2
VR(V)
VR(V)
1E-3
0
5
10
15
20
25
30
35
40
45
Fig. 9: Forward voltage drop versus forward
current (maximum values) (per diode).
100.0
10.0
2
5
10
20
50
Rth(j-a) (°C/W)
80
70
60
Tj=125°C
50
Tj=25°C
40
30
1.0
Tj=75°C
0.1
0.0
1
Fig. 10: Thermal resistance junction to ambient
versus copper surface under tab (Epoxy printed circuit board FR4, copper thickness: 35µm) (D2PAK).
IFM(A)
Typical values
Tj=150°C
4/9
100
20
10
VFM(V)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
S(Cu) (cm²)
0
4
8
12
16
20
24
28
32
36
40
STPS20L40CF/CW/CT
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
5/9
STPS20L45CF/CW/CT/CFP/CG
PACKAGE MECHANICAL DATA
TO-220FPAB
REF.
DIMENSIONS
Millimeters
Min.
Max.
Min.
Max.
A
4.4
4.6
0.173
0.181
B
2.5
2.7
0.098
0.106
D
2.5
2.75
0.098
0.108
E
0.45
0.70
0.018
0.027
F
0.75
1
0.030
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
0.205
G1
2.4
2.7
0.094
0.106
H
10
10.4
0.393
0.409
A
B
H
Dia
L6
L2
L7
L3
L5
D
F1
L4
L2
F2
F
E
G1
G
■
■
■
Cooling method : C
Recommended torque value : 0.55 m.N
Maximum torque value : 0.70 m.N
6/9
Inches
16 Typ.
0.63 Typ.
L3
28.6
30.6
1.126
1.205
L4
9.8
10.6
0.386
0.417
L5
2.9
3.6
0.114
0.142
L6
15.9
16.4
0.626
0.646
L7
9.00
9.30
0.354
0.366
Dia.
3.00
3.20
0.118
0.126
STPS20L45CF/CW/CT/CFP/CG
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
7/9
STPS20L45CF/CW/CT/CFP/CG
PACKAGE MECHANICAL DATA
D2PAK
REF.
A
E
C2
L2
D
L
L3
A1
B2
R
C
B
G
A2
M
*
V2
* FLAT ZONE NO LESS THAN 2mm
FOOTPRINT
16.90
10.30
5.08
1.30
3.70
8.90
8/9
A
A1
A2
B
B2
C
C2
D
E
G
L
L2
L3
M
R
V2
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
4.40
4.60
0.173
0.181
2.49
2.69
0.098
0.106
0.03
0.23
0.001
0.009
0.70
0.93
0.027
0.037
1.14
1.70
0.045
0.067
0.45
0.60
0.017
0.024
1.23
1.36
0.048
0.054
8.95
9.35
0.352
0.368
10.00
10.40
0.393
0.409
4.88
5.28
0.192
0.208
15.00
15.85
0.590
0.624
1.27
1.40
0.050
0.055
1.40
1.75
0.055
0.069
2.40
3.20
0.094
0.126
0.40 typ.
0.016 typ.
0°
8°
0°
8°
STPS20L45CF/CW/CT/CFP/CG
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
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
Inches
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
STPS20L45CF
STPS20L45CFP
STPS20L45CT
STPS20L45CW
STPS20L45CG
STPS20L45CG-TR
STPS20L45CF
STPS20L45CFP
STPS20L45CT
STPS20L45CW
STPS20L45CG
STPS20L45CG
ISOWATT220AB
TO-220FPAB
TO-220AB
TO-247
D2PAK
D2PAK
2.1g
2g
2g
4.4g
1.48g
1.48g
50
50
50
30
50
1000
Tube
Tube
Tube
Tube
Tube
Tape & Reel
Epoxy meets UL94,V0
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
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.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written
approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2003 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany
Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore
Spain - Sweden - Switzerland - United Kingdom - United States.
http://www.st.com
9/9