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STPS3030CG-STPS3030CR-STPS3030CT
LOW DROP POWER SCHOTTKY RECTIFIER
STPS3030CT/CG/CROctober 2002- Ed:2A
LOW DROP POWER SCHOTTKY RECTIFIER
Dual Schottky rectifier suited for switch Mode
Power Supply and high frequency DC to DC
converters.
Packagedin TO-220AB,D2 PAK andI2 PAK, this
deviceis intended for usein low voltage high
frequency inverters, free wheeling and polarity
protection applications.
DESCRIPTION Very small conduction losses Negligible switching losses Extremely fast switching Low forward voltage dropfor higher efficiency Low thermal resistance
FEATURES AND BENEFITS
ABSOLUTE RATINGS (limiting values, per diode)
MAJOR PRODUCTS CHARACTERISTICS dPtot
dTj Rthj a< − thermal runaway conditionfora diodeonits own heatsink
STPS3030CT/CG/CRPulse test:*tp= 380 μs,δ <2% evaluate the conduction losses use the following equation:
P=0.26xIF(AV)+ 0.0107IF2 (RMS)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
THERMAL RESISTANCES
02468 10 12 14 16 18 20
P(W)
Fig. 1:Conduction losses versus average current.
25 50 75 100 125 150
IF(av)(A)
Fig.2: Average forward current versus ambient
temperature(δ= 0.5).
STPS3030CT/CG/CR
1.E-03 1.E-02 1.E-01 1.E+00
Zth(j-c)/Rth(j-c)
Fig.4: Relative variationof thermal impedance
junctionto case versus pulse duration.
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03 5 10 15 20 25 30
IR(mA)
Fig.5: Reverse leakage current versus reverse
voltage applied (typical values).
10.0 10 100
C(nF)
Fig. 6: Junction capacitance versus reverse
voltage applied (typical values).
1.E-03 1.E-02 1.E-01 1.E+00
IM(A)
Fig. 3: Non repetitive surge peak forward
current versus overload duration (maximum
values).
0.0 0.2 0.4 0.6 0.8 1.0 1.2
IFM(A)
Fig. 7: Forward voltage drop versus forward
current.
5 10 15 20 25 30 35 40
Rth(j-a)(°C/W)
Fig. 8: Thermal resistance junctionto ambient
versus copper surface under tab (epoxy printed
board FR4, Cu= 35μm).
