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STPS3030/CT/CG/CR
Low drop power Schottky rectifier
Main product characteristics
IF(AV)
VRRM
Tj (max)
VF(max)
2 x 15 A
30 V
150° C
0.42 V
Features and benefits
Very small conduction losses
Negligible switching losses
Extremely fast switching
Low forward voltage drop for higher efficiency
Low thermal resistance
Avalanche capability specified
Description
Dual Schottky rectifier suited for switch mode
power supply and high frequency DC to DC
converters.
Packaged in TO-220AB, D2PAK and I2PAK, this
device is intended for use in low voltage high
frequency inverters, free-wheeling and polarity
protection applications.
A1
A2
K
K
A2
A1
D2PAK
STPS3030CG
A2
K
A1
TO-220AB
STPS3030CT
A2
K
A1
I2PAK
STPS3030CR
j
October 2006
Rev 4
1/9
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Characteristics
1 Characteristics
STPS3030CT/CG/CR
Table 1. Absolute ratings (limiting values, per diode)
Symbol
Parameter
Value
Unit
VRRM
IF(RMS)
Repetitive peak reverse voltage
RMS forward current
IF(AV) Average forward current
Tc = 135° C Per diode
δ = 0.5
Per device
30
30
15
30
IFSM Surge non repetitive forward current tp = 10 ms sinusoidal
250
IRRM Peak repetitive reverse current
tp = 2 µs square F= 1 kHz
1
IRSM Non repetitive peak reverse current tp = 100 µs square
3
PARM Repetitive peak avalanche power tp = 1 µs Tj = 25° C
4100
Tstg Storage temperature range
Tj Maximum operating junction temperature (1)
-65 to + 150
150
dV/dt Critical rate of rise of reverse voltage (rated VR, Tj = 25° C)
1.
d----P-----t--o----t
dTj
<
R-----t--h----(-1--j-------a----)
condition
to
avoid
thermal
runaway
for
a
diode
on
its
own
heatsink
10000
Table 2. Thermal resistance
Symbol
Parameter
Value
V
A
A
A
A
A
W
°C
°C
V/µs
Unit
Rth(j-c) Junction to case TO-220AB - D2PAK - I2PAK
Rth(c)
Per diode
Total
Coupling
1.2
0.8 °C/W
0.4
Table 3.
Symbol
Static electrical characteristics (per diode)
Parameter
Test conditions
Min. Typ. Max. Unit
IR(1) Reverse leakage current
Tj = 25° C
Tj = 125° C
VR = VRRM
Tj = 25° C
IF = 15 A
VF(1) Forward voltage drop
Tj = 125° C
Tj = 25° C
IF = 15 A
IF = 30 A
Tj = 125° C
IF = 30 A
1. Pulse test: tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.26 x IF(AV) + 0.0107 IF2(RMS)
0.23 1.0
mA
125 180
0.44 0.49
0.36 0.40
0.53 0.58
V
0.49 0.53
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STPS3030CT/CG/CR
Characteristics
Figure 1.
P(W)
10
9
8
7
6
5
4
3
2
1
0
02
Conduction losses versus average Figure 2. Average forward current versus
current
ambient temperature (δ = 0.5)
δ = 0.1 δ = 0.2
δ = 0.05
δ = 0.5
δ=1
IF(av)(A)
18
16
14
12
Rth(j-a)=Rth(j-c)
10
8
6
T4
Rth(j-a)=50°C/W
IF(av)(A)
δ=tp/T
tp
4 6 8 10 12 14 16 18 20
2
0
0
Tamb(°C)
25 50 75 100 125 150
Figure 3. Normalized avalanche power
derating versus pulse duration
Figure 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
0.01
0.4
0.001
0.01
0.1
tp(µs)
1 10
0.2
0
100
1000
0
Tj(°C)
25 50 75 100 125
150
Figure 5.
IM(A)
250
225
200
175
150
125
100
75
50
25
0
1.E-03
Non repetitive surge peak forward
current versus overload duration
(maximum values)
t(s)
1.E-02
1.E-01
TC=25°C
TC=75°C
TC=125°C
1.E+00
Figure 6.
Relative variation of thermal
impedance junction to case versus
pulse duration
Zth(j-c)/Rth(j-c)
1.0
0.9
0.8
0.7
δ = 0.5
0.6
0.5
0.4 δ = 0.2
0.3 δ = 0.1
0.2
Single pulse
0.1
0.0
1.E-03
1.E-02
tp(s)
T
1.E-01
δ=tp/T
tp
1.E+00
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Characteristics
STPS3030CT/CG/CR
Figure 7.
Reverse leakage current versus
reverse voltage applied (typical
values)
IR(mA)
1.E+03
Tj=150°C
1.E+02
Tj=125°C
Figure 8.
C(nF)
10.0
1.E+01
1.E+00
Tj=100°C
Tj=75°C
Tj=50°C
1.0
1.E-01
1.E-02
0
Tj=25°C
VR(V)
0.1
5 10 15 20 25 30
1
Junction capacitance versus
reverse voltage applied (typical
values)
F=1MHz
Vosc=30mV
Tj=25°C
VR(V)
10
100
Figure 9. Forward voltage drop versus
forward current
IFM(A)
100
Tj=125°C
(Maximum values)
Tj=125°C
(Typical values)
10
Tj=25°C
(Maximum values)
VFM(V)
1
0.0 0.2 0.4 0.6 0.8 1.0
Figure 10.
Thermal resistance junction to
ambient versus copper surface
under tab (epoxy printed board
FR4, Cu = 35 µm)
Rth(j-a)(°C/W)
80
70
D²PAK
60
50
40
30
20
10 S(cm²)
0
1.2 0 5 10 15 20 25 30 35 40
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STPS3030CT/CG/CR
2 Package information
Package information
Epoxy meets UL94,V0
Cooling method: C
Recommended torque value: 0.55 Nm
Maximum torque value: 0.70 Nm
Table 4. I2PAK dimensions
E
L2
A
c2
L1
L
D
A1
b1
b
e
e1
c
Dimensions
Ref. Millimeters
Inches
Min. Max. Min. Max.
A 4.40 4.60 0.173 0.181
A1 2.40 2.72 0.094 0.107
b 0.61 0.88 0.024 0.035
b1 1.14 1.70 0.044 0.067
c 0.49 0.70 0.019 0.028
c2 1.23 1.32 0.048 0.052
D 8.95 9.35 0.352 0.368
e 2.40 2.70 0.094 0.106
e1 4.95 5.15 0.195 0.203
E 10 10.40 0.394 0.409
L 13 14 0.512 0.551
L1 3.50 3.93 0.138 0.155
L2 1.27 1.40 0.050 0.055
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