STPS8L30B-TR ,LOW DROP POWER SCHOTTKY RECTIFIERAPPLICATIONSn AVALANCHE CAPABILITY SPECIFIEDDESCRIPTIONSingle Schottky rectifier suited to Switched ..
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STPS8L30B-TR
LOW DROP POWER SCHOTTKY RECTIFIER
STPS8L30BJuly 2003- Ed:2A
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCT CHARACTERISTICS LOW COST DEVICE WITH LOW DROP FOR-
WARD VOLTAGE FOR LESS POWER
DISSIPATION AND REDUCED HEATSINK OPTIMIZED CONDUCTION/REVERSE LOSSES
TRADE-OFF WHICH LEADS TO THE
HIGHEST YIELDIN THE APPLICATIONS AVALANCHE CAPABILITY SPECIFIED
FEATURES AND BENEFITSSingle Schottky rectifier suitedto Switched Mode
Power Supplies and high frequency DCto DC
converters.
Packagedin DPAK, this deviceis especially in-
tended for useasa Rectifierat the secondaryof
3.3V SMPSor DC/DC units.
DESCRIPTION
ABSOLUTE RATINGS (limiting values) dPtot
dTj Rthj a< − thermal runaway conditionfora diodeonits own heatsink
STPS8L30B
THERMAL RESISTANCES
STATIC ELECTRICAL CHARACTERISTICSPulse test:*tp= 380μs,δ <2% evaluate the maximum conduction losses use the following equation:
P=0.23xIF(AV)+ 0.021IF2 (RMS) 468 100.0
PF(av)(W)
Fig.1: Average forward power dissipation versus
average forward current. 25 50 75 100 125 1500
IF(av)(A)
Fig.2: Average forward current versus ambient
temperature (δ=0.5).
1.2 25 50 75 100 125 150
P(t) (25°C)
ARMp
ARM
Fig.4: Normalized avalanche power derating
versus junction temperature.
0.10.01 1
0.1 100 1000
P(t) (1μs)
ARMp
ARM
Fig. 3: Normalized avalanche power derating
versus pulse duration.
STPS8L30B1E-3 1E-2 1E-1 1E+00
IM(A)
Fig.5: Non repetitive surge peak forward current
versus overload duration (maximum values).
1E-4 1E-3 1E-2 1E-1 1E+00.0
Zth(j-c)/Rth(j-c)
Fig.6: Relative variationof thermal impedance
junctionto ambient versus pulse duration. 5 10 15 20 25 301E-3
1E-2
1E-1
1E+0
1E+1
1E+2
3E+2
IR(mA)
Fig.7: Reverse leakage current versus reverse
voltage applied (typical values).
110 40100
C(pF)
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values).
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.00.1
IFM(A)
Fig.9: Forward voltage drop versus forward cur-
rent (maximum values).
STPS8L30B
PACKAGE MECHANICAL DATADPAK
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