STMICROELECTRONICS STPS40L45CG

STPS40L45CG/CT/CW
®
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCTS CHARACTERISTICS
A1
K
IF(AV)
2 x 20 A
VRRM
45 V
Tj (max)
150 °C
VF (max)
0.49 V
A2
K
A2
FEATURES AND BENEFITS
A1
■
■
■
LOW FORWARD VOLTAGE DROP MEANING
VERY SMALL CONDUCTION LOSSES
LOW SWITCHING LOSSES ALLOWING HIGH
FREQUENCY OPERATION
AVALANCHE CAPABILITY SPECIFIED
2
D PAK
STPS40L45CG
DESCRIPTION
Dual center tap Schottky barrier rectifier designed
for high frequency Switched Mode Power Supplies
and DC to DC converters.
Packaged in TO-220AB, TO-247 and D2PAK
these devices are intended for use in low voltage,
high frequency inverters, free-wheeling and
polarity protection applications.
A1
K
A2
A2
K
A1
TO-220AB
STPS40L45CT
TO-247
STPS40L45CW
ABSOLUTE RATINGS (limiting values, per diode)
Symbol
Parameter
Value
Unit
VRRM
Repetitive peak reverse voltage
45
V
IF(RMS)
RMS forward current
30
A
20
40
A
230
A
IF(AV)
Average forward current
Tc = 130°C
δ = 0.5
IFSM
Surge non repetitive forward current
tp = 10 ms Sinusoidal
IRRM
Repetitive peak reverse current
tp = 2 µs square F = 1kHz
2
A
IRSM
Non repetitive peak reverse current
tp = 100 µs square
3
A
PARM
Repetitive peak avalanche power
tp = 1µs
8100
W
- 65 to + 150
°C
150
°C
Tstg
Tj
Storage temperature range
Maximum operating junction temperature *
Per diode
Per device
Tj = 25°C
dV/dt
10000
Critical rate of rise of reverse voltage
dPtot
1
thermal runaway condition for a diode on its own heatsink
* :
<
dTj
Rth( j − a )
July 2003 - Ed: 4A
V/µs
1/6
STPS40L45CT/CW
THERMAL RESISTANCES
Symbol
Parameter
Rth (j-c)
Value
Unit
1.5
0.8
0.1
°C/W
Per diode
Total
Junction to case
Rth(c)
Coupling
°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
Parameter
IR *
Reverse leakage current
Tj = 25°C
Forward voltage
drop
Tj = 25°C
IF = 20 A
Tj = 125°C
IF = 20 A
Tj = 25°C
IF = 40 A
Tj = 125°C
IF = 40 A
VF *
Tests Conditions
Min.
Typ.
VR = VRRM
140
Tj = 125°C
0.42
Max.
Unit
0.6
mA
280
mA
0.53
V
0.49
0.69
0.6
0.7
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation :
P = 0.28 x IF(AV) + 0.0105 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)
IF(av)(A)
16
δ = 0.1
14
δ = 0.2
δ = 0.5
δ = 0.05
12
10
δ=1
8
6
T
4
2
0
IF(av) (A)
0
2/6
2
4
6
8
δ=tp/T
tp
10 12 14 16 18 20 22 24
22
20
18
16
14
12
10
8
6
4
2
0
Rth(j-a)=Rth(j-c)
Rth(j-a)=15°C/W
T
δ=tp/T
0
Tamb(°C)
tp
25
50
75
100
125
150
STPS40L45CT/CW
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
0
1
10
100
1000
Fig. 5: Non repetitive surge peak forward current
versus overload duration (maximum values, per
diode).
0
50
75
100
125
150
Fig. 6: Relative variation of thermal impedance
junction to case versus pulse duration.
Zth(j-c)/Rth(j-c)
IM(A)
250
225
200
175
150
125
100
75
50 IM
25
0
1E-3
25
1.0
0.8
0.6
δ = 0.5
Tc=25°C
0.4
Tc=75°C
δ = 0.2
δ = 0.1
T
0.2
t
Tc=125°C
t(s)
δ=0.5
1E-2
1E-1
tp(s)
Single pulse
1E+0
Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values, per diode).
0.0
1E-4
1E-3
1E-2
δ=tp/T
1E-1
tp
1E+0
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values, per diode).
C(nF)
IR(mA)
10.0
1E+3
F=1MHz
Tj=25°C
Tj=150°C
1E+2
Tj=125°C
1E+1
1.0
Tj=75°C
1E+0
0.1
VR(V)
1E-2
VR(V)
Tj=25°C
1E-1
0
5
10
15
20
25
30
35
40
1
10
100
45
3/6
STPS40L45CT/CW
Fig. 10: Thermal resistance junction to ambient
versus copper surface under tab (Epoxy printed
circuit board FR4, copper thickness: 35µm)
(STPS40L45CG only).
Fig. 9: Forward voltage drop versus forward
current (maximum values, per diode).
IFM(A)
Rth(j-a) (°C/W)
80
1000
70
60
100
50
Typical values
Tj=150°C
40
Tj=125°C
30
10
20
Tj=75°C
10
Tj=25°C
VFM(V)
1
0.0
0.2
0.4
0.6
0.8
0
1.0
1.2
1.4
1.6
S(Cu) (cm²)
0
5
10
15
20
25
30
35
PACKAGE MECHANICAL DATA
TO-220AB
DIMENSIONS
REF.
Min.
A
H2
Dia
C
L5
L7
L6
L2
F2
F1
D
L9
L4
F
M
G1
E
G
■
■
■
COOLING METHOD : C
RECOMMENDED TORQUE VALUE : 0.55M.N
MAXIMUM TORQUE VALUE : 0.70 M.N
4/6
Millimeters
A
C
D
E
F
F1
F2
G
G1
H2
L2
L4
L5
L6
L7
L9
M
Diam.
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
Inches
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
40
STPS40L45CG/CT/CW
PACKAGE MECHANICAL DATA
D2PAK
DIMENSIONS
A
E
REF.
Millimeters
Inches
A
A1
A2
B
B2
C
C2
D
E
G
L
L2
L3
M
R
V2
Min.
Max.
4.40
4.60
2.49
2.69
0.03
0.23
0.70
0.93
1.14
1.70
0.45
0.60
1.23
1.36
8.95
9.35
10.00
10.40
4.88
5.28
15.00
15.85
1.27
1.40
1.40
1.75
2.40
3.20
0.40 typ.
0°
8°
Min.
Max.
0.173
0.181
0.098
0.106
0.001
0.009
0.027
0.037
0.045
0.067
0.017
0.024
0.048
0.054
0.352
0.368
0.393
0.409
0.192
0.208
0.590
0.624
0.050
0.055
0.055
0.069
0.094
0.126
0.016 typ.
0°
8°
C2
L2
D
L
L3
A1
B2
R
C
B
G
A2
M
*
V2
* FLAT ZONE NO LESS THAN 2mm
■
COOLING METHOD : BY CONDUCTION (METHOD C)
FOOT PRINT (in millimeters)
D2PAK
16.90
10.30
5.08
1.30
3.70
8.90
5/6
STPS40L45CT/CW
PACKAGE MECHANICAL DATA
TO-247
DIMENSIONS
REF.
V
Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
Dia.
V
A
H
L5
L
L2 L4
F2
F1
L1
F3
V2
F4
D
L3
F(x3)
M
G
=
■
■
■
=
0.203
0.102
0.031
0.055
0.118
0.078
0.094
0.133
0.429
0.620
0.793
0.169
0.728
0.582
1.362
0.216
0.118
5°
60°
0.143
COOLING METHOD : C
RECOMMENDED TORQUE VALUE : 0.8M.N
MAXIMUM TORQUE VALUE : 1.0M.N
Ordering type
■
E
A
4.85
5.15 0.191
D
2.20
2.60 0.086
E
0.40
0.80 0.015
F
1.00
1.40 0.039
F1
3.00
F2
2.00
F3 2.00
2.40 0.078
F4 3.00
3.40 0.118
G
10.90
H 15.45
15.75 0.608
L 19.85
20.15 0.781
L1 3.70
4.30 0.145
L2
18.50
L3 14.20
14.80 0.559
L4
34.60
L5
5.50
M
2.00
3.00 0.078
V
5°
V2
60°
Dia. 3.55
3.65 0.139
Marking
Package
Weight
Base qty
Delivery mode
STPS40L45CG STPS40L45CG
D2PAK
1.8g
500
Tape & Reel
STPS40L45CT STPS40L45CT
TO-220AB
2g
50
Tube
STPS40L45CW STPS40L45CW
TO-247
4.4g
30
Tube
EPOXY MEETS UL94,V0
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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.
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approval of STMicroelectronics.
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© 2003 STMicroelectronics - Printed in Italy - All rights reserved.
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