STPS80170C
Datasheet
170 V power Schottky rectifier
A1
A2
K
TO-247
A1
K
A2
I
F(AV)
V
RRM
T j(max.)
V
F(typ.)
Product status
STPS80170C
Product summary
2 x 40 A
170 V
175 °C
0.68 V
Features
• High junction temperature capability
• Low leakage current
• Good trade off between leakage current and forward voltage drop
• Low thermal resistance
• High frequency operation
• Avalanche capability
• ECOPACK ® 2 compliant
Applications
• Switching diode
• SMPS
• DC/DC converter
• Telecom power
Description
This dual diode common cathode Schottky rectifier is suited for high frequency switched mode power supplies.
Packaged in TO-247, the STPS80170C is optimized for use to enhance the reliability of the application.
DS4415 - Rev 3 - August 2018
For further information contact your local STMicroelectronics sales office.
www.st.com
1
STPS80170C
Characteristics
Characteristics
Table 1. Absolute ratings (limiting values per diode at 25 °C, unless otherwise specified)
Symbol
V
RRM
I
F(RMS)
Repetitive peak reverse voltage
Forward rms current
Parameter
I
F(AV)
I
FSM
P
ARM
T stg
T j
Average forward current, δ = 0.5, square wave
Surge non repetitive forward current
Repetitive peak avalanche power
Storage temperature range
Maximum operating junction temperature (1)
T c
= 150 °C
T c
= 140 °C t p
= 10 ms sinusoidal t p
= 10 µs, T j
Per diode
Per device
= 125 °C
1. (dP tot
/dT j
) < (1/R th(j-a)
) condition to avoid thermal runaway for a diode on its own heatsink.
Value
170
80
40
80
500
2750
-65 to +175
+175
Unit
V
A
A
A
W
°C
°C
Symbol
R th(j-c)
R th(c)
Junction to case
Table 2. Thermal resistance parameters
Parameter
Per diode
Total
Coupling
Max. value
0.7
0.5
0.3
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)
For more information, please refer to the following application note :
• AN5088 : Rectifiers thermal management, handling and mounting recommendations
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
= 40 A
= 80 A
-
-
-
Min.
-
-
-
1. Pulse test: t p
= 5 ms, δ < 2%
2. Pulse test: t p
=380 µs, δ < 2%
Typ.
20
0.68
0.80
To evaluate the conduction losses, use the following equation: P = 0.62 x I
F(AV)
+ 0.003 x I
F
2
(RMS)
For more information, please refer to the following application notes related to the power losses :
• AN604: Calculation of conduction losses in a power rectifier
• AN4021: Calculation of reverse losses on a power diode
Max.
80
80
0.84
0.74
0.96
0.86
Unit
µA mA
V
DS4415 - Rev 3 page 2/9
STPS80170C
Characteristics (curves)
1.1
Characteristics (curves)
Figure 1. Average forward power dissipation versus average forward current (per diode)
40
P
F(AV)
(W)
35
30
25
20
15
10
5
0
0 5 10
δ = 0.05
δ = 0.1
15 20
I
F(AV)
(A)
25 30
δ = 0.2
δ = 0.5
T
δ = 1
35
δ =tp/T
40 45 tp
50
Figure 2. Average forward current versus ambient temperature (δ = 0.5, per diode)
45
I
F(AV)
(A)
40
35
30
25
20
15
10 T
5
0
0
δ =tp/T
25 tp
50
R th(j-a)
= R th(j-c)
R th(j-a)
= 15 °C/W
75
T amb
(°C)
100 125 150 175
Figure 3. Normalized avalanche power derating versus pulse duration (T j
= 125 °C)
1
P
ARM
(tp)
P
ARM
(10 µs)
0.1
0.01
0.001
1 10 100 1000
Figure 4. Relative variation of thermal impedance junction to case versus pulse duration
1.0
Z th(j-c)
/R th(j-c)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Single pulse
0.0
1.E-03 1.E-02 t
P
(s)
1.E-01 1.E+00
DS4415 - Rev 3 page 3/9
STPS80170C
Characteristics (curves)
Figure 5. Reverse leakage current versus reverse voltage applied (typical values, per diode)
Figure 6. Junction capacitance versus reverse voltage applied (typical values, per diode)
1.E+06
I
R
(µA)
1.E+05
T j
= 150 °C
1.E+04
T j
= 125 °C
1.E+03
T j
= 100 °C
T j
= 75 °C
1.E+02
T j
= 50 °C
1.E+01
T j
= 25 °C
1.E+00
V
R
(V)
1.E-01
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
10000
C(pF)
1000
100
1 10 100
V
F = 1 MHz
OSC
= 30 mV
T j
= 25 ° C
RMS
V
R
(V)
1000
Figure 7. Forward voltage drop versus forward current
(per diode, low level)
40
I
F
(A)
35
30
25
20
15
10
5
0
0.0
0.1
0.2
Tj=125°C
(Maximum values)
Tj=125°C
(Typical values)
Tj = 25 °C
(Maximum values)
0.3
0.4
0.5
0.6
0.7
0.8
V
F
(V)
0.9
1.0
Figure 8. Forward voltage drop versus forward current
(per diode, high level)
100.0
I
F
(A)
10.0
Tj = 125 °C
(Maximum values)
Tj = 125 °C
(Typical values)
Tj = 25 °C
(Maximum values)
1.0
V
F
(V)
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
DS4415 - Rev 3 page 4/9
2
2.1
STPS80170C
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.
•
•
•
•
TO-247 package_information
Epoxy meets UL94, V0
Cooling method: by conduction (C)
Recommended torque value: 0.8 N·m
Maximum torque value: 1.0 N·m
Figure 9. TO-247 package outline
E
S
∅
R
D
L2
L
L1
1 2 b1
3 b2 b e
A1
A
Heat-sink plane
∅
P c
3 2
Back view
1
DS4415 - Rev 3 page 5/9
DS4415 - Rev 3
STPS80170C
TO-247 package information
Ref.
b2 c
D
E e
A
A1 b b1
ØP
ØR
S
L
L1
L2
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 4. TO-247 package mechanical data
Dimensions
Millimeters
Typ.
Inches (for reference only)
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
0.215
18.50
0.728
5.50
3.65
5.50
5.70
0.139
0.177
0.209
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
page 6/9
3
STPS80170C
Ordering information
Ordering information
Order code
STPS80170CW
Marking
STPS80170CW
Table 5. Order code
Package
TO-247
Weight
4.36 g
Base qty.
30
Delivery mode
Tube
DS4415 - Rev 3 page 7/9
STPS80170C
Revision history
Table 6. Document revision history
Date
16-Sep-2005
Revision
1 First issue.
18-Jan-2018 2
09-Aug-2018 3
Changes
Minor text change to improve readability. Updated Section 2.1: "TO-247 package information".
Updated Table 1. Absolute ratings (limiting values per diode at 25 °C, unless otherwise specified)
and Figure 3. Normalized avalanche power derating versus pulse duration (T j
= 125 °C) .
DS4415 - Rev 3 page 8/9
STPS80170C
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DS4415 - Rev 3 page 9/9
