STPS20L15D

® STPS20L15D/G LOW DROP OR-ing POWER SCHOTTKY DIODE MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS VERY LOW FORWARD VOLTAGE DROP FOR LESS POWER DISSIPATION AND REDUCED HEATSINK SIZE REVERSE VOLTAGE SUITED TO OR-ing OF 3V, 5V and 12V RAILS DESCRIPTION Packaged in TO-220AC or D2PAK, this device is especially intended for use as an OR-ing diode in fault tolerant power supply equipments. TO-220AC STPS20L15D A A K 20 A 15 V 125°C 0.33 V K K NC D2PAK STPS20L15G ABSOLUTE RATINGS (limiting values) Symbol VRRM IF(RMS) IF(AV) IFSM IRRM IRSM Tstg Tj dV/dt *: Parameter Repetitive peak reverse voltage RMS forward current Average forward current Surge non repetitive forward current Repetitive peak reverse current Non repetitive peak reverse current Storage temperature range Maximum operating junction temperature * Critical rate of rise of reverse voltage Tc = 115°C δ = 1 tp = 10 ms Sinusoidal tp = 2 µs F = 1kHz tp = 100 µs Value 15 30 20 310 2 3 - 65 to + 150 125 10000 Unit V A A A A A °C °C V/µs dPtot 1 < thermal runaway condition for a diode on its own heatsink Rth(j−a) dTj July 1999 - Ed: 2B 1/5 STPS20L15D/G THERMAL RESISTANCES Symbol Rth (j-c) Junction to case Parameter Value 1.6 Unit °C/W STATIC ELECTRICAL CHARACTERISTICS Symbol IR * Tests Conditions Reverse leakage current Forward voltage drop Tests Conditions Tj = 25°C Tj = 100°C Tj = 25°C Tj = 25°C Tj = 125°C Tj = 125°C Pulse test : * tp = 380 µs, δ < 2% Min. Typ. Max. 6 Unit mA VR = 15V VR = 15V IF = 19 A IF = 40 A IF = 19 A IF = 40 A 0.28 0.42 200 500 0.41 0.52 0.33 0.50 V VF * To evaluate the maximum conduction losses use the following equation : P = 0.18 x IF(AV) + 8.10-3 x IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current. 8 7 6 5 4 3 2 1 0 IF(av) (A) 0 2 4 6 8 10 12 14 16 δ=tp/T T Fig. 2: Average forward current versus ambient temperature ( δ = 1). 22 20 18 16 14 12 10 8 6 4 2 0 IF(av)(A) Rth(j-a)=Rth(j -c) Rth(j-a)=15°C/W PF(av)(W) δ = 0.1 δ = 0.05 δ = 0.2 δ = 0.5 δ=1 Rth(j-a)=35°C/W T tp δ=tp/T tp Tamb(°C) 50 75 100 125 18 20 22 0 25 Fig. 3: Non repetitive surge peak forward current versus overload duration (maximum values). IM(A) 250 200 150 100 50 0 1E-3 IM t Tc=50°C Fig. 4: Relative variation of thermal impedance junction to case versus pulse duration. Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 0.4 δ = 0.5 δ = 0.2 δ = 0.1 Tc=75°C T 0.2 δ=0.5 t(s) 1E-2 1E-1 Tc=110°C tp (s) Single pulse δ=tp/T tp 1E+0 0.0 1.0E-4 1.0E-3 1.0E-2 1.0E-1 1.0E+0 2/5 STPS20L15D/G Fig. 5: Reverse leakage current versus reverse voltage applied (typical values). 5E+2 1E+2 IR(mA) 5.0 Tj=100°C Fig. 6: Junction capacitance versus reverse voltage applied (typical values). C(nF) F=1MHz Tj=25°C 1E+1 1.0 1E+0 Tj=25°C 1E-1 VR(V) 0 2 4 6 8 10 12 14 16 VR(V) 0.1 1 2 5 10 20 Fig. 7: Forward voltage drop versus forward current (typical values). IFM(A) 200.0 100.0 Tj=125°C Fig. 8: Forward voltage drop versus forward current (maximum values). IFM(A) Tj=100°C 200 100 10.0 Tj=75°C 10 1.0 Tj=25°C VFM(V) 0.1 1 1 1.2 1.4 1.6 VFM(V) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 0.2 0.4 0.6 0.8 Fig. 9: Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuit board FR4, copper thickness : 35 µm). (STPS20L15G only) Rth(j-a) (°C/W) 80 70 60 50 40 30 20 10 0 0 4 8 12 S(Cu) (cm²) 16 20 24 28 32 36 40 3/5 STPS20L15D/G PACKAGE MECHANICAL DATA D2PAK DIMENSIONS REF. A E L2 C2 Millimeters Min. Max. 4.40 4.60 2.49 2.69 0.03 0.23 0.70 0.93 1.14 1.70 0.45 0.60 1.23 1.36 8.95 9.35 10.00 10.40 4.88 5.28 15.00 15.85 1.27 1.40 1.40 1.75 2.40 3.20 0.40 typ. 0° 8° Inches Min. Max. 0.173 0.181 0.098 0.106 0.001 0.009 0.027 0.037 0.045 0.067 0.017 0.024 0.048 0.054 0.352 0.368 0.393 0.409 0.192 0.208 0.590 0.624 0.050 0.055 0.055 0.069 0.094 0.126 0.016 typ. 0° 8° D L L3 A1 B2 B G A2 C R M * V2 A A1 A2 B B2 C C2 D E G L L2 L3 M R V2 * FLAT ZONE NO LESS THAN 2mm FOOT PRINT DIMENSIONS (in millimeters) 16.90 10.30 1.30 5.08 3.70 8.90 4/5 STPS20L15D/G PACKAGE MECHANICAL DATA TO-220AC DIMENSIONS REF. H2 C L5 ØI L6 L2 D L7 A Millimeters Min. Max. 4.40 4.60 1.23 1.32 2.40 2.72 0.49 0.70 0.61 0.88 1.14 1.70 4.95 5.15 10.00 10.40 16.40 typ. 13.00 14.00 2.65 2.95 15.25 15.75 6.20 6.60 3.50 3.93 2.6 typ. 3.75 3.85 Inches Min. Max. 0.173 0.181 0.048 0.051 0.094 0.107 0.019 0.027 0.024 0.034 0.044 0.066 0.194 0.202 0.393 0.409 0.645 typ. 0.511 0.551 0.104 0.116 0.600 0.620 0.244 0.259 0.137 0.154 0.102 typ. 0.147 0.151 L9 F1 L4 F G M E A C D E F F1 G H2 L2 L4 L5 L6 L7 L9 M Diam. I Ordering type STPS20L15D STPS20L15G STPS20L15G-TR Marking STPS20L15D STPS20L15G STPS20L15G Package TO-220AC D PAK D PAK 2 2 Weight 1.86 g. 1.48g. 1.48 g. Base qty 50 50 1000 Delivery mode Tube Tube Tape and reel Cooling method: by conduction (C) Recommended torque value: 0.55 m.N Maximum torque value: 0.7 m.N Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. 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