1/7
STPS1545D/F/FP/R/G
July 2003 - Ed: 5F
POWER SCHOTTKY RECTIFIER
I
F(AV)
15 A
V
RRM
45 V
Tj (max)
175 C
V
F
(max)
0.57 V
MAIN PRODUCT CHARACTERISTICS
s
VERY SMALL CONDUCTION LOSSES
s
NEGLIGIBLE SWITCHING LOSSES
s
EXTREMELY FAST SWITCHING
s
INSULATED
PACKAGE:
ISOWATT220AC,
TO-220FPAC
Insulating voltage = 2000V DC
Capacitance = 12pF
s
AVALANCHE CAPABILITY SPECIFIED
FEATURES AND BENEFITS
Single chip Schottky rectifier suited for Switch
Mode Power Supply and high frequency DC to DC
converters.
Packaged
in
TO-220AC,
ISOWATT220AC,
TO-220FPAC, I
2
PAK or D
2
PAK, this device is
intended for use in low voltage, high frequency
inverters, free wheeling and polarity protection
applications.
DESCRIPTION
Symbol
Parameter
Value
Unit
V
RRM
Repetitive peak reverse voltage
45
V
I
F(RMS)
RMS forward current
30
A
I
F(AV)
Average forward current
= 0.5
TO-220AC,
I
2
PAK, D
2
PAK
Tc = 155C
15
A
ISOWATT220AC
TO-220FPAC
Tc = 130C
I
FSM
Surge non repetitive forward current
tp = 10 ms Sinusoidal
220
A
I
RRM
Repetitive peak reverse current
tp = 2 s square F = 1kHz
1
A
I
RSM
Non repetitive peak reverse current
tp = 100 s square
3
A
P
ARM
Repetitive peak avalanche power
tp = 1s
Tj = 25C
6000
W
T
stg
Storage temperature range
- 65 to + 175
C
Tj
Maximum operating junction temperature *
175
C
dV/dt
Critical rate of rise of reverse voltage
10000
V/s
ABSOLUTE RATINGS (limiting values)
ISOWATT220AC
STPS1545F
K
A
TO-220AC
STPS1545D
K
A
* :
dPtot
dTj
Rth j
a
<
-
1
(
)
thermal runaway condition for a diode on its own heatsink
K
A
TO-220FPAC
STPS1545FP
A
K
A
I
2
PAK
STPS1545R
K
NC
A
D
2
PAK
STPS1545G
STPS1545D/F/FP/R/G
2/7
Symbol
Parameter
Value
Unit
R
th (j-c)
Junction to case
TO-220AC, I
2
PAK,
D
2
PAK
1.6
C/W
ISOWATT220AC
TO-220FPAC
4.0
THERMAL RESISTANCES
Symbol
Parameter
Tests Conditions
Min.
Typ.
Max.
Unit
I
R
*
Reverse leakage current
Tj = 25C
V
R
= V
RRM
200
A
Tj = 125C
11
40
mA
V
F
*
Forward voltage drop
Tj = 125C
I
F
= 15 A
0.5
0.57
V
Tj = 25C
I
F
= 30 A
0.84
Tj = 125C
I
F
= 30 A
0.65
0.72
STATIC ELECTRICAL CHARACTERISTICS
Pulse test :
* tp = 380 s,
< 2%
To evaluate the conduction losses use the following equation :
P = 0.42 x I
F(AV)
+ 0.01 I
F
2
(RMS)
0
2
4
6
8
10
12
14
16
18
0
2
4
6
8
10
12
IF(av) (A)
PF(av)(W)
= 1
= 0.5
= 0.2
= 0.1
= 0.05
T
=tp/T
tp
Fig. 1: Average forward power dissipation versus
average forward current.
0
25
50
75
100
125
150
175
0
2
4
6
8
10
12
14
16
18
Tamb(C)
IF(av)(A)
Rth(j-a)=Rth(j-c)
Rth(j-a)=15C/W
TO-220AC
ISOWATT220AC
T
=tp/T
tp
Fig.
2:
Average
current
versus
ambient
temperature (
= 0.5).
0
0.2
0.4
0.6
0.8
1
1.2
0
25
50
75
100
125
150
T (C)
j
P
(t )
P
(25C)
ARM p
ARM
Fig. 4: Normalized avalanche power derating
versus junction temperature.
0.001
0.01
0.1
0.01
1
0.1
10
100
1000
1
t (s)
p
P
(t )
P
(1s)
ARM p
ARM
Fig. 3: Normalized avalanche power derating
versus pulse duration.
STPS1545D/F/FP/R/G
3/7
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)
T
=tp/T
tp
Single pulse
= 0.1
= 0.2
= 0.5
Fig. 6-1: Relative variation of thermal transient im-
pedance junction to case versus pulse duration
(TO-220AC, I
2
PAK and D
2
PAK).
1E-3
1E-2
1E-1
1E+0
1E+1
0.0
0.2
0.4
0.6
0.8
1.0
tp(s)
Zth(j-c)/Rth(j-c)
T
=tp/T
tp
Single pulse
= 0.1
= 0.2
= 0.5
Fig. 6-2: Relative variation of thermal transient im-
pedance junction to case versus pulse duration
(ISOWATT220AC, TO-220FPAC).
0
5
10
15
20
25
30
35
40
45
1E+0
1E+1
1E+2
1E+3
1E+4
5E+4
VR(V)
IR(A)
Tj=150C
Tj=100C
Tj=125C
Tj=75C
Tj=50C
Tj=25C
Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values).
1
2
5
10
20
50
100
200
500
1000
2000
VR(V)
C(pF)
F=1MHz
Tj=25C
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values).
1E-3
1E-2
1E-1
1E+0
0
20
40
60
80
100
120
140
160
180
200
t(s)
IM(A)
Tc=75C
Tc=100C
Tc=125C
I
M
t
=0.5
Fig. 5-1: Non repetitive surge peak forward cur-
rent versus overload duration (maximum values)
(TO-220AC, I
2
PAK and D
2
PAK).
1E-3
1E-2
1E-1
1E+0
0
20
40
60
80
100
120
t(s)
IM(A)
Tc=75C
Tc=100C
Tc=125C
I
M
t
=0.5
Fig. 5-2: Non repetitive surge peak forward cur-
rent versus overload duration (maximum values)
(ISOWATT220AC, TO-220FPAC).
STPS1545D/F/FP/R/G
4/7
PACKAGE MECHANICAL DATA
TO-220FPAC
H
L3
L2
L4
L6
G
G1
F
F1
D
E
L7
A
B
Dia
L5
REF.
DIMENSIONS
Millimeters
Inches
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
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
L2
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
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.1
1.0
10.0
100.0
VFM(V)
IFM(A)
Typical values
Tj=125C
Tj=125C
Tj=25C
Fig. 9: Forward voltage drop versus forward
current (maximum values).
0
5
10
15
20
25
30
35
40
0
10
20
30
40
50
60
70
80
Rth(j-a) (C/W)
S(Cu) (cm)
Fig. 10: Thermal resistance junction to ambient
versus copper surface under tab (epoxy printed
circuit board FR4, Cu=35m) (D
2
PAK).
PDF 
ZIP