STPS3045C
Power Schottky rectifier
Datasheet - production data
K
A1
A2
K
TO-220AB
A1
K
A2
K
TO-247
A1
K
A2
K
A1
A2
D²PAK
A1
A2
Features
Very small conduction losses
Negligible switching losses
Extremely fast switching
Avalanche rated
ECOPACK ® 2 compliant component for
D²PAK on demand
Description
Dual center tap Schottky rectifier suited for switch mode power supply and high frequency DC to
DC converters. Packaged either in TO-220AB,
TO-247, or D²PAK, this device is especially intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications.
Symbol
I
F(AV)
V
RRM
V
F
(typ.)
T j
(max.)
Table 1: Device summary
Value
2 x 15 A
45 V
0.5 V
175 °C ( up to 200 °C in forward mode for
D²PAK)
August 2016 DocID3510 Rev 9
This is information on a product in full production.
1/13 www.st.com
Characteristics
1 Characteristics
STPS3045C
Table 2: Absolute ratings (limiting values, per diode, at 25 °C, unless otherwise specified)
Symbol Parameter Value Unit
V
RRM
Repetitive peak reverse voltage 45 V
A I
F(RMS)
Forward rms current
I
I
F(AV)
FSM
P
ARM
(1)
T
T stg j
Average forward current
δ = 0.5, square wave
Surge non repetitive forward current
Repetitive peak avalanche power
T
C
= 155 °C
Per diode
Per device t p
= 10 ms sinusoidal t p
= 10 µs,
T j
= 125 °C
Storage temperature range
Maximum operating junction temperature (2)
Maximum operating junction temperature (DC forward current without reverse bias, t = 1 hour for D²PAK
30
15
30
220
430
-65 to +175
175
200
A
A
W
°C
Notes:
(1)
For pulse time duration deratings, please refer to Figure 3. 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)
(dP tot
/dT j
) < (1/R th(j-a)
) condition to avoid thermal runaway for a diode on its own heatsink.
Symbol
Table 3: Thermal parameters
Parameter Value Unit
R th(j-c)
Junction to case
TO-220AB / D²PAK
TO-247
Per diode 1.60
Total 0.95
Per diode 1.5
Total 0.9
0.3
°C/W
R th(c)
Coupling TO-220AB / D²PAK/ TO-247
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)
2/13 DocID3510 Rev 9
STPS3045C
Symbol
I
R
(1)
V
F
(1)
Characteristics
Table 4: Static electrical characteristics (per diode)
Parameter Test conditions Min. Typ. Max. Unit
Reverse leakage current
Forward voltage drop
T j
= 25 °C
T j
= 125 °C
V
R
= V
RRM
T j
= 125 °C I
F
= 15 A
T j
= 25 °C
T j
= 125 °C
I
F
= 30 A
-
-
-
-
-
11
200
40
0.5 0.57
0.84
0.65 0.72
µA mA
V
Notes:
(1)
Pulse test: t p
= 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.42 x I
F(AV)
+ 0.01 x I
F
2
(RMS)
DocID3510 Rev 9 3/13
Characteristics
1.2 Characteristics (curves)
STPS3045C
12
11
10
9
8
7
6
5
4
3
2
1
0
0
Figure 1: Average forward power dissipation versus average forward current (per diode)
P
F (AV)
(W )
2
δ = 0.05
4 6
δ = 0.1
δ = 0.2
8 10
I
F(AV)
(A)
12
δ = 0.5
14
δ = tp/T
16
δ = 1
T
18 tp
20
Figure 2: Average forward current versus ambient temperature (δ = 0.5, per diode)
I
F(AV)
(A)
18
R th(j-a)
= R th(j-c)
16
14
12
10
8
6
4
2
0
0
δ
=tp/T
2 5
T tp
5 0
R th(j-a)
= 15°C/W
7 5 100
Tamb(°C)
125 150 175
Figure 3: Normalized avalanche power derating versus pulse duration (Tj = 125 °C)
1
P
ARM
(tp)
P
ARM
(10 µs)
0.1
0.01
0.001
1 10 100 1000
1.0
Figure 4: Relative variation of thermal impedance junction to case versus pulse duration
Z th(j-c)
/R th(j-c)
0.9
0.8
0.7
δ = 0.5
0.6
0.5
0.4
δ = 0.2
δ = 0.1
0.3
0.2
0.1
Single pulse
0.0
1.E-03 1.E-02 1.E-01
δ
= tp/T
T tp
1.E+00
Figure 5: Junction capacitance versus reverse voltage applied (typical values, per diode)
C (nF)
10000
F = 1 M H z
V
OSC
= 30 mV
RMS
Figure 6: Reverse leakage current versus reverse voltage applied (typical values, per diode)
1.E +05
1.E +04
1000
100
1 10
V
R
(V)
1.E +03
1.E +02
1.E +01
1.E +00
100
1.E -01
0 5 10 15 20 25 30 35 40 45
4/13 DocID3510 Rev 9
STPS3045C
Figure 7: Forward voltage drop versus forward current (maximum values, per diode)
50
40
30
20
10
0
0
Characteristics
Figure 8: Thermal resistance junction to ambient versus copper surface under tab
R th (j-a)
(°C/W )
80
70
D²PAK
Epoxy printed board FR4, copper thickness = 35 µm
60
5 10 25 30 35 15 20
S
Cu
(cm²)
40
DocID3510 Rev 9 5/13
Package information
2
2.1
Package information
STPS3045C
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.
Cooling method: by conduction (C)
Epoxy meets UL 94,V0
Recommended torque value: 0.55 N·m (for TO-220AB and TO-247)
Maximum torque value: 0.7 N·m (for TO-220AB)
Maximum torque value: 1.0 N·m (for TO-247)
TO-220AB package information
Figure 9: TO-220AB package outline
6/13 DocID3510 Rev 9
STPS3045C
Ref.
L
L1
L20
L30 e1
F
H1
J1
ØP
Q
D
D1
E e
A b b1 c
10.00
2.40
4.95
1.23
6.20
2.40
13.00
3.50
Package information
Table 5: TO-220AB package mechanical data
Dimensions
Millimeters
Min.
4.40
0.61
1.14
0.48
15.25
Max.
4.60
0.88
1.55
0.70
15.75
Min.
0.173
0.024
0.045
0.019
0.600
Inches
Max.
0.181
0.035
0.061
0.028
0.620
1.27 typ. 0.050 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
0.409
0.106
0.203
0.052
0.260
0.107
0.551
0.155
16.40 typ.
28.90 typ.
0.646 typ.
1.138 typ.
3.75
2.65
3.85
2.95
0.148
0.104
0.152
0.116
DocID3510 Rev 9 7/13
Package information
2.2 TO-247 package information
Figure 10: TO-247 package outline
STPS3045C
8/13 DocID3510 Rev 9
STPS3045C
Ref.
A
A1 b b1 b2 c
D (1)
E e
L
L1
L2
ØP (2)
ØR
S
Min.
4.85
2.20
1.00
2.00
3.00
0.40
19.85
15.45
5.30
14.20
3.70
3.55
4.50
5.30
Table 6: TO-247 package mechanical data
Dimensions
Millimeters
Typ.
5.45
Max.
5.15
2.60
1.40
2.40
3.40
0.80
20.15
15.75
5.60
14.80
4.30
Min.
0.191
0.086
0.039
0.078
0.118
0.015
0.781
0.608
0.209
0.559
0.145
18.50
5.50
3.65
5.50
5.70
Notes:
(1)
Dimension D plus gate protusion does not exceed 20.5 mm
(2)
Resin thickness around the mounting hole is not less than 0.9 mm.
0.139
0.177
0.209
Package information
Inches
Typ.
0.215
0.728
0.216
Max.
0.203
0.102
0.055
0.094
0.133
0.031
0.793
0.620
0.220
0.582
0.169
0.143
0.217
0.224
DocID3510 Rev 9 9/13
Package information
2.3 D²PAK package information
Figure 11: D²PAK package outline
STPS3045C
10/13
This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed.
DocID3510 Rev 9
STPS3045C
Ref. e e1
H
J1
D2
E
E1
E2 c c2
D
D1
A
A1 b b2
L
L1
L2
R
V2
Package information
4.88
15.00
2.49
1.90
1.27
1.30
Min.
4.36
0.00
0.70
1.14
0.38
1.19
8.60
6.90
1.10
10.00
8.10
6.85
Table 7: D²PAK package mechanical data
Dimensions
Millimeters
Max.
4.60
0.25
0.93
1.70
0.69
1.36
9.35
8.00
1.50
10.55
8.90
7.25
Min.
0.172
0.000
0.028
0.045
0.015
0.047
0.339
0.272
0.043
0.394
0.319
0.266
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
0.205
0.624
0.112
0.110
0.065
0.070
8°
Max.
0.181
0.010
0.037
0.067
0.027
0.053
0.368
0.311
0.060
0.415
0.346
0.282
Figure 12: D²PAK recommended footprint (dimensions in mm)
DocID3510 Rev 9 11/13
Ordering information
3 Ordering information
Order code
STPS3045CT
STPS3045CG
STPS3045CG-TR
STPS3045CW
STPS3045C
Table 8: Ordering information
Marking Package Weight Base qty. Delivery mode
STPS3045CT TO-220AB 1.9 g 50 Tube
STPS3045CG
STPS3045CG
STPS3045CW
D²PAK
TO-247
1.38 g
4.46 g
50
1000
30
Tube
Tape and reel
Tube
4 Revision history
Date Revision
Table 9: Document revision history
Changes
Jul-2003
06-Nov-2012
04-Apr-2013
02-Aug-2016
6E
7
8
9
Last update.
Removed SOT-93 and TOP-3I packages. Table 2: Operating range (T j
) extension from -40 to +175° C, I
F(AV)
per diode updated to 15 A.
Updated “Total” values in Table 3. Updated tables in Section 2:
Package information.
Added value for maximum T j
in forward mode. Updated Table 9.
Updated D²PAK package information. Removed I²PAK and
TO-220FPAB package information.
12/13 DocID3510 Rev 9
STPS3045C
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DocID3510 Rev 9 13/13
