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STPS40L40CT-STPS40L40CW
LOW DROP POWER SCHOTTKY RECTIFIER
STPS40L40CT/CWJuly 1999- Ed:6A
LOW DROP POWER SCHOTTKY RECTIFIER
Dual center tap Schottky barrier rectifier designed
for high frequency Switched Mode Power Supplies
and DCto DC converters.
Packagedin TO-220AB and TO-247 this deviceis
intended for usein low voltage, high frequency
inverters, free-wheeling and polarity protection
applications.
DESCRIPTION LOW FORWARD VOLTAGE DROP MEANING
VERY SMALL CONDUCTION LOSSES LOW DYNAMIC LOSSES ASA RESULT OF
THE SCHOTTKY BARRIER AVALANCHE RATED
FEATURES AND BENEFITS
ABSOLUTE RATINGS (limiting values, per diode)
MAIN PRODUCTS CHARACTERISTICS dPtot
dTj Rthj a< − thermal runaway conditionfora diodeonits own heatsink
STPS40L40CT/CWPulse test:*tp=380 μs,δ <2% evaluate the conduction losses use the following equation:
P=0.28xIF(AV)+ 0.0105IF2 (RMS)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
THERMAL RESISTANCES0246 8 10 12 14 16 18 20 22 240
PF(av)(W)
Fig.1: Average forward power dissipation versus
average forward current (per diode). 25 50 75 100 125 1500
IF(av)(A)
Fig. 2: Average current versus ambient
temperature(δ= 0.5, per diode).
When the diodes1 and2 are used simultaneously:Δ Tj(diode1)= P(diode1)x Rth(j-c)(Per diode)+ P(diode2)x Rth(c)
STPS40L40CT/CW1E-3 1E-2 1E-1 1E+00
IM(A)
Fig.3: Non repetitive surge peak forward current
versus overload duration (maximum values, per
1E-4 1E-3 1E-2 1E-1 1E+00.0
Zth(j-c)/Rth(j-c)
Fig.4: Relative variationof thermal impedance
junctionto case versus pulse duration. 5 10 15 20 25 30 35 401E-2
1E-1
1E+0
1E+1
1E+2
5E+2
IR(mA)
Fig.5: Reverse leakage current versus reverse
voltage applied (typical values, per diode). 5 10 20 500.1
C(nF)
Fig. 6: Junction capacitance versus reverse
voltage applied (typical values, per diode).
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.61
IFM(A)
Fig. 7: Forward voltage drop versus forward
current (maximum values, per diode).
STPS40L40CT/CW
PACKAGE MECHANICAL DATATO-220AB Cooling method:C Recommended torque value: 0.55m.N Maximum torque value: 0.70 m.N
:
www.ic-phoenix.com
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