STPS2045CT/CF/CG POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) 2 x 10 A VRRM Tj (max) 45 V 175 °C VF (max) 0.57 V A1 K A2 FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING INSULATED PACKAGE: ISOWATT220AB Insulating voltage = 2000V DC Capacitance = 12pF A2 A1 A2 K A1 TO-220AB STPS2045CT K ISOWATT220AB STPS2045CF K DESCRIPTION Dual center tap Schottky rectifier suited for SwitchMode Power Supply and high frequency DC to DC converters. Packaged either in TO-220AB, ISOWATT220AB or D2PAK, this device is especially intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. A2 A1 D2PAK STPS2045CG ABSOLUTE RATINGS (limiting values, per diode) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 45 V IF(RMS) RMS forward current 30 A Per diode 10 A Per device 20 IF(AV) Average forward current δ = 0.5 Tc = 155°C TO-220AB D2PAK ISOWATT220AB Tc = 125°C IFSM IRRM Surge non repetitive forward current Repetitive peak reverse current IRSM Non repetitive peak reverse current Tstg Storage temperature range Tj dV/dt * : tp = 10 ms sinusoidal tp = 2 µs square F = 1kHz tp = 100 ms square Maximum operating junction temperature * Critical rate of rise of reverse voltage 180 1 A A 2 A -65 to +175 °C 175 °C 10000 V/µs 1 dPtot thermal runaway condition for a diode on its own heatsink < Rth(j−a) dTj June 1999 - Ed: 3B 1/7 STPS2045CT/CF/CG THERMAL RESISTANCES Symbol Rth (j-c) Parameter Junction to case Rth (c) Value Unit °C/W TO-220AB / D2PAK Per diode Total 2.2 1.3 ISOWATT220AB Per diode Total 4.5 3.5 TO-220AB / D2PAK Coupling 0.3 ISOWATT220AB 2.5 When the diodes 1 and 2 are used simultaneously: ∆ Tj (diode 1) = P (diode1)x Rth(j-c) (per diode) + P (diode 2) x Rth(c) STATIC ELECTRICAL CHARACTERISTICS (Per diode) Symbol Parameter IR * Reverse leakage current Tests Conditions Tj = 25°C Pulse test : Forward voltage drop Tj = 125°C IF = 10 A Tj = 25°C IF = 20 A Tj = 125°C IF = 20 A * tp = 380 µs, δ < 2% To evaluate the conduction losses use the following equation : P = 0.42 x IF(AV) + 0.015 IF2(RMS) 2/7 Typ. Max. Unit 100 µA 7 15 mA 0.5 0.57 V VR = VRRM Tj = 125°C VF * Min. 0.84 0.65 0.72 STPS2045CT/CF/CG Fig. 1: Average forward power dissipation versus average forward current (per diode). Fig. 2: Average current versus temperature (δ=0.5, per diode). PF(av)(W) ambient IF(av)(A) 8 δ = 0.1 δ = 0.05 7 δ = 0.2 12 δ = 0.5 TO-220AB D PAK Rth(j-a)=Rth(j-c) 10 6 δ=1 5 4 ISOWATT220AB 8 Rth(j-a)=15°C/W 6 3 1 0 4 T 2 IF(av) (A) 0 1 2 3 4 5 6 7 δ=tp/T 8 9 T 2 tp 10 11 12 Fig. 3-1: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (TO-220AB and D2PAK). 0 δ=tp/T 0 Tamb(°C) tp 25 50 75 100 125 150 175 Fig. 3-2: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (ISOWATT220AB). IM(A) IM(A) 140 100 120 80 100 60 80 Tc=75°C Tc=75°C 60 Tc=100°C 40 40 Tc=125°C 20 IM 20 t δ=0.5 0 1E-3 1E-2 1E-1 1E+0 t δ=0.5 0 1E-3 t(s) 1E-2 1E-1 1E+0 Fig. 4-2: Relative variation of thermal transient impedance junction to case versus pulse duration (ISOWATT220AB). Zth(j-c)/Rth(j-c) Zth(j-c)/Rth(j-c) 1.0 1.0 0.8 0.8 0.6 δ = 0.5 δ = 0.5 0.4 0.4 T T 0.2 Tc=125°C IM t(s) Fig. 4-1: Relative variation of thermal transient impedance junction to case versus pulse duration (TO-220AB and D2PAK). 0.6 Tc=100°C δ = 0.2 0.2 δ = 0.1 tp(s) Single pulse 0.0 1E-4 1E-3 1E-2 δ=tp/T 1E-1 δ = 0.2 δ = 0.1 tp 1E+0 tp(s) Single pulse 0.0 1E-3 1E-2 1E-1 δ=tp/T 1E+0 tp 1E+1 3/7 STPS2045CT/CF/CG Fig. 5: Reverse leakage current versus reverse voltage applied (typical values, per diode). Fig. 6: Junction capacitance versus reverse voltage applied (typical values, per diode). C(pF) IR(µA) 1000 5E+4 F=1MHz Tj=25°C Tj=150°C 1E+4 Tj=125°C 1E+3 500 Tj=100°C Tj=75°C 1E+2 Tj=50°C 1E+1 200 Tj=25°C 1E+0 VR(V) 1E-1 0 5 10 15 20 25 VR(V) 30 35 40 45 Fig. 7: Forward voltage drop versus forward current (maximum values, per diode). 100 1 2 5 10 20 50 Fig. 8: Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuit board, copper thickness: 35µm). IFM(A) Rth(j-a) (°C/W) 100.0 80 Tj=125°C Typical values 70 60 Tj=25°C 10.0 50 40 Tj=125°C 30 1.0 20 10 VFM(V) 0.1 0.0 4/7 0.2 0.4 0.6 0.8 0 1.0 1.2 1.4 1.6 S(Cu) (cm ) 0 5 10 15 20 25 30 35 40 STPS2045CT/CF/CG PACKAGE MECHANICAL DATA D2PAK DIMENSIONS REF. A E C2 L2 D L L3 A1 B2 B R C G A2 M * V2 * FLAT ZONE NO LESSTHAN 2mm Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 A1 A2 2.49 0.03 2.69 0.23 0.098 0.001 0.106 0.009 B 0.70 0.93 0.027 0.037 B2 1.14 1.70 0.045 0.067 C 0.45 0.60 0.017 0.024 C2 D 1.23 8.95 1.36 9.35 0.048 0.352 0.054 0.368 E 10.00 10.40 0.393 0.409 G L 4.88 15.00 5.28 15.85 0.192 0.590 0.208 0.624 L2 1.27 1.40 0.050 0.055 L3 1.40 1.75 0.055 0.069 M 2.40 3.20 0.094 0.126 R V2 0.40 typ. 0° 8° 0.016 typ. 0° 8° FOOTPRINT DIMENSIONS (in millimeters) 16.90 10.30 5.08 1.30 3.70 8.90 5/7 STPS2045CT/CF/CG PACKAGE MECHANICAL DATA TO-220AB DIMENSIONS REF. A H2 Dia C L5 L7 L6 L2 F2 F1 D L9 L4 F M G1 E G Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 C D 1.23 2.40 1.32 2.72 0.048 0.094 0.051 0.107 E 0.49 0.70 0.019 0.027 F 0.61 0.88 0.024 0.034 F1 1.14 1.70 0.044 0.066 F2 G 1.14 4.95 1.70 5.15 0.044 0.194 0.066 0.202 G1 2.40 2.70 0.094 0.106 H2 L2 10 10.40 16.4 typ. 0.393 0.409 0.645 typ. L4 13 14 0.511 0.551 L5 2.65 2.95 0.104 0.116 L6 15.25 15.75 0.600 0.620 L7 L9 6.20 3.50 6.60 3.93 0.244 0.137 0.259 0.154 M Diam. 6/7 Millimeters 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 STPS2045CT/CF/CG PACKAGE MECHANICAL DATA ISOWATT220AB DIMENSIONS REF. Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 B 2.50 2.70 0.098 0.106 D 2.50 2.75 0.098 0.108 E 0.40 0.70 0.016 0.028 F 0.75 1.00 0.030 0.039 F1 1.15 1.70 0.045 0.067 F2 1.15 1.70 0.045 0.067 G 4.95 5.20 0.195 0.205 G1 2.40 2.70 0.094 0.106 H 10.00 10.40 0.394 0.409 L2 16.00 typ. 0.630 typ. L3 28.60 30.60 1.125 1.205 L4 9.80 10.60 0.386 0.417 L6 15.90 16.40 0.626 0.646 L7 9.00 9.30 0.354 0.366 Diam 3.00 3.20 0.118 0.126 Type Marking Package Weight Base qty Delivery mode STPS2045CT STPS2045CT TO-220AB 2.25 g. 50 Tube STPS2045CF STPS2045CF ISOWATT220AB STPS2045CG STPS2045CG STPS2045CG-TR STPS2045CG 2.08 g. 50 Tube 2 1.48 g. 50 Tube 2 1.48 g. 1000 Tape & reel D PAK D PAK Cooling method: by conduction (C) Recommended torque value: 0.55 N.m. Maximum torque value: 0.7 N.m. Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. 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