STPS80L15TV
July 1999 - Ed: 4A
LOW DROP OR-ing POWER SCHOTTKY DIODE
I
F(AV)
2 x 40 A
V
RRM
15 V
Tj (max)
125 C
V
F
(max)
0.33 V
MAIN PRODUCT CHARACTERISTICS
VERY LOW DROP FORWARD VOLTAGE FOR
LESS POWER DISSIPATION AND REDUCED
HEATSINK
INSULATED PACKAGE:
Insulated voltage = 2500 V
(RMS)
Capacitance = 45 pF
FEATURES AND BENEFITS
Dual Schottky rectifier suited for Switched Mode
Power Supplies and DC to DC power converters.
Packaged in ISOTOP
TM
, this device is especially
intended for use as an OR-ing diode in fault
tolerant power supply equipments.
DESCRIPTION
ISOTOP
TM
K2
A2
A1
K1
Symbol
Parameter
Value
Unit
V
RRM
Repetitive peak reverse voltage
15
V
I
F(RMS)
RMS forward current
100
A
I
F(AV)
Average forward current
Tc = 110C
= 1
40
A
I
FSM
Surge non repetitive forward current
tp = 10 ms
Sinusoidal
700
A
I
RRM
Repetitive peak reverse current
tp = 2
s
F = 1kHz
2
A
T
stg
Storage temperature range
- 65 to + 150
C
Tj
Maximum operating junction temperature
125
C
dV/dt
Critical rate of rise of reverse voltage
10000
V/
s
ABSOLUTE RATINGS (limiting values, per diode)
ISOTOP is a trademark of STMicroelectronics
K2
A2
A1
K1
* :
dPtot
dTj
<
1
Rth
(
j
-
a
)
thermal runaway condition for a diode on its own heatsink
1/4
Symbol
Parameter
Value
Unit
R
th (j-c)
Junction to case
Per diode
1
C/W
Total
0.55
R
th (c)
Coupling
0.1
THERMAL RESISTANCES
Symbol
Parameter
Tests conditions
Min.
Typ.
Max.
Unit
I
R
*
Reverse leakage current
Tj = 100
C
V
R
= 5V
280
mA
Tj = 25
C
V
R
= 12V
11
Tj = 100C
0.44
1.1
A
V
F
*
Forward voltage drop
Tj = 25
C
I
F
= 40 A
0.43
V
Tj = 125
C
I
F
= 40 A
0.28
0.33
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Pulse test :
* tp = 380
s,
< 2 %
To evaluate the conduction losses use the following equation :
P = 0.19 x I
F(AV)
+ 3.25 10
-3
x I
F
2
(RMS)
0
5
10
15
20
25
30
35
40
45
0
2
4
6
8
10
12
14
PF(av)(W)
= 0.2
= 0.5
= 1
= 0.05
= 0.1
T
=tp/T
tp
IF(av) (A)
Fig. 1: Average forward power dissipation versus
average forward current (per diode).
0
25
50
75
100
125
0
5
10
15
20
25
30
35
40
45
IF(av)(A)
Rth(j-a)=5C/W
Rth(j-a)=Rth(j-c)
Tamb(C)
T
=tp/T
tp
Fig. 2: Average forward current versus ambient
temperature (
=1, per diode).
STPS80L15TV
2/4
1E-3
1E-2
1E-1
1E+0
0
50
100
150
200
250
300
350
400
450
500
IM(A)
Tc=50C
Tc=75C
Tc=110C
t(s)
I
M
t
=0.5
Fig. 3: Non repetitive surge peak forward current
versus overload duration (maximum values, per
diode).
1E-4
1E-3
1E-2
1E-1
1E+0
0.0
0.2
0.4
0.6
0.8
1.0
tp(s)
Zth(j-c)/Rth(j-c)
Single pulse
= 0.5
= 0.2
= 0.1
Fig. 4: Relative variation of thermal impedance
junction to case versus pulse(per diode).
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
1E-1
1E+0
1E+1
1E+2
1E+3
IR(mA)
Tj=100C
Tj=25C
Tj=75C
VR(V)
Fig. 5: Reverse leakage current versus reverse
voltage applied (typical values, per diode).
1
2
5
10
20
1
2
5
10
C(nF)
F=1MHz
Tj=25C
VR(V)
Fig. 6: Junction capacitance versus reverse
voltage applied (typical values, per diode).
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1.0
10.0
100.0
200.0
IFM(A)
Tj=100C
(typical values)
Tj=25C
(Maximum values)
Tj=100C
(Maximum values)
VFM(V)
Fig. 7: Forward voltage drop versus forward
current (per diode).
STPS80L15TV
3/4
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 ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
PACKAGE MECHANICAL DATA
ISOTOP
REF.
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
A
11.80
12.20
0.465
0.480
A1
8.90
9.10
0.350
0.358
B
7.8
8.20
0.307
0.323
C
0.75
0.85
0.030
0.033
C2
1.95
2.05
0.077
0.081
D
37.80
38.20
1.488
1.504
D1
31.50
31.70
1.240
1.248
E
25.15
25.50
0.990
1.004
E1
23.85
24.15
0.939
0.951
E2
24.80 typ.
0.976 typ.
G
14.90
15.10
0.587
0.594
G1
12.60
12.80
0.496
0.504
G2
3.50
4.30
0.138
0.169
F
4.10
4.30
0.161
0.169
F1
4.60
5.00
0.181
0.197
P
4.00
4.30
0.157
0.69
P1
4.00
4.40
0.157
0.173
S
30.10
30.30
1.185
1.193
Ordering type
Marking
Package
Weight
Base qty
Delivery mode
STPS80L15TV STPS80L15TV
ISOTOP
28g
(without screws)
10
Tube
Cooling method: by conduction (C)
Recommended torque value: 1.3 N.m.
Maximum torque value: 1.5 N.m.
Epoxy meets UL94,V0
STPS80L15TV
4/4
PDF 
ZIP