STPS20170C ® HIGH VOLTAGE POWER SCHOTTKY RECTIFIER Table 1: Main Product Characteristics IF(AV) 2 x 10 A VRRM 170 V Tj 175°C VF(max) 0.75 V A1 K A2 K K Features ■ ■ ■ High reverse voltage High junction temperature capability Avalanche specification with derating curves A2 A2 A1 K A1 TO-220AB STPS20170CT D2PAK STPS20170CG Benefits ■ K Can challenge bipolar ultrafast diodes with better dynamic characteristics. Description Dual center tap Schottky rectifier diode suited for high frequency switched mode power supplies. A2 K A1 TO-220FPAB STPS20170CFP A1 K A2 I2PAK STPS20170CR Table 2: Order Codes June 2005 Part Numbers Marking STPS20170CT STPS20170CT STPS20170CFP STPS20170CFP STPS20170CR STPS20170CR STPS20170CG STPS20170CG STPS20170CG-TR STPS20170CG REV. 2 1/8 STPS20170C Table 3: Absolute Ratings (limiting values, per diode) Symbol VRRM IF(RMS) Parameter Value Unit Repetitive peak reverse voltage 170 V RMS forward voltage 30 A TO-220AB / IF(AV) Tc = 155°C D2PAK / I2PAK Average forward current δ = 0.5 Tc = 135°C TO-220FPAB Per diode Per device 10 20 Per diode Per device 10 20 A IFSM Surge non repetitive forward current tp = 10ms sinusoidal 180 A PARM Repetitive peak avalanche power tp = 1µs Tj = 25°C 6700 W -65 to + 175 °C 175 °C 10000 V/µs Tstg Storage temperature range Tj Maximum operating junction temperature * dV/dt dPtot * : --------------dTj < Critical rate of rise of reverse voltage 1 -------------------------- thermal runaway condition for a diode on its own heatsink Rth ( j – a ) Table 4: Thermal Parameters Symbol Rth(j-c) Parameter Value TO-220AB / D2PAK / I2PAK Per diode Total 2.2 1.3 TO-220FPAB Per diode Total 4.5 3.5 TO-220AB / D2PAK / I2PAK Coupling 0.3 Junction to case Rth(c) TO-220FPAB Unit °C/W 2.5 When the diodes 1 and 2 are used simultaneously: ∆ Tj(diode 1) = P(diode 1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) Table 5: Static Electrical Characteristics (per diode) Symbol Parameter IR * Reverse leakage current Tests conditions Tj = 25°C Tj = 125°C Tj = 25°C VF ** Forward voltage drop Tj = 125°C Tj = 25°C Tj = 125°C Pulse test: Min. VR = VRRM Max. Unit 15 µA 15 mA 0.90 IF = 10A 0.69 0.75 0.99 IF = 20A 0.79 * tp = 5 ms, δ < 2% ** tp = 380 µs, δ < 2% 2 To evaluate the conduction losses use the following equation: P = 0.64 x IF(AV) + 0.011 IF (RMS) 2/8 Typ 0.86 V STPS20170C Figure 1: Average forward power dissipation versus average forward current (per diode) Figure 2: Average forward current versus ambient temperature (δ = 0.5, per diode) PF(AV)(W) IF(AV)(A) 10 δ = 0.1 δ = 0.05 9 12 δ = 0.2 δ = 0.5 Rth(j-a)=Rth(j-c) (TO-220AB, I2PAK and D2PAK) 11 10 8 9 7 δ=1 Rth(j-a)=Rth(j-c) (TO-220FPAB) 8 6 7 5 6 4 5 Rth(j-a)=15°C/W 4 3 T 2 T 3 2 1 IF(AV)(A) δ=tp/T 0 δ=tp/T 1 tp tp Tamb(°C) 0 0 1 2 3 4 5 6 7 8 9 10 Figure 3: Normalized avalanche derating versus pulse duration 11 12 power 0 25 50 75 100 125 150 Figure 4: Normalized avalanche derating versus junction temperature PARM(tp) PARM(1µs) 175 power PARM(tp) PARM(25°C) 1 1.2 1 0.1 0.8 0.6 0.4 0.01 0.2 Tj(°C) tp(µs) 0.001 0.01 0.1 0 10 1 100 25 1000 Figure 5: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (TO-220AB, D2PAK, I2PAK) 50 75 100 125 150 Figure 6: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (TO-220FPAB) IM(A) IM(A) 150 100 90 125 80 70 100 TC=50°C 75 TC=50°C 50 TC=75°C 50 40 TC=75°C 30 TC=125°C IM 25 t 20 10 t(s) δ=0.5 0 1.E-03 60 TC=125°C IM t t(s) δ=0.5 0 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 3/8 STPS20170C Figure 7: Relative variation of thermal impedance junction to case versus pulse duration Figure 8: Reverse leakage current versus reverse voltage applied (typical values, per diode) Zth(j-c)/Rth(j-c) IR(µA) 1.0 1.E+05 Tj=175°C 0.9 1.E+04 0.8 Tj=150°C 0.7 Tj=125°C 1.E+03 0.6 2 2 (TO-220AB, I PAK and D PAK) 0.5 1.E+02 Tj=100°C 0.4 1.E+01 0.3 T (TO-220FPAB) 0.2 1.E+00 Single pulse 0.1 tp(s) δ=tp/T Tj=25°C tp VR(V) 0.0 1.E-01 1.E-03 1.E-02 1.E-01 1.E+00 Figure 9: Junction capacitance versus reverse voltage applied (typical values, per diode) 0 25 50 75 100 125 150 175 Figure 10: Forward voltage drop versus forward current (per diode) IFM(A) C(pF) 100.0 1000 F=1MHz VOSC=30mVRMS Tj=25°C Tj=125°C (maximum values) 10.0 Tj=25°C (maximum values) Tj=125°C (typical values) 100 1.0 VFM(V) VR(V) 0.1 10 1 10 100 1000 Figure 11: Thermal resistance junction to ambient versus copper surface under tab (epoxy printed board FR4, Cu = 35µm) (D2PAK) Rth(j-a)(°C/W) 80 70 60 50 40 30 20 10 S(cm²) 0 0 4/8 5 10 15 20 25 30 35 40 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 STPS20170C Figure 12: D2PAK Package Mechanical Data REF. A E C2 L2 D L L3 A1 B2 R C B G A2 M * V2 * FLAT ZONE NO LESS THAN 2mm A A1 A2 B B2 C C2 D E G L L2 L3 M R V2 DIMENSIONS Millimeters Inches Min. Max. Min. Max. 4.40 4.60 0.173 0.181 2.49 2.69 0.098 0.106 0.03 0.23 0.001 0.009 0.70 0.93 0.027 0.037 1.14 1.70 0.045 0.067 0.45 0.60 0.017 0.024 1.23 1.36 0.048 0.054 8.95 9.35 0.352 0.368 10.00 10.40 0.393 0.409 4.88 5.28 0.192 0.208 15.00 15.85 0.590 0.624 1.27 1.40 0.050 0.055 1.40 1.75 0.055 0.069 2.40 3.20 0.094 0.126 0.40 typ. 0.016 typ. 0° 8° 0° 8° Figure 13: Foot Print Dimensions (in millimeters) 16.90 10.30 5.08 1.30 3.70 8.90 5/8 STPS20170C Figure 14: I2PAK Package Mechanical Data DIMENSIONS REF. c2 L2 D L1 A1 b1 L b c e e1 Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 A1 2.40 2.72 0.094 0.107 b 0.61 0.88 0.024 0.035 b1 1.14 1.70 0.044 0.067 c 0.49 0.70 0.019 0.028 c2 1.23 1.32 0.048 0.052 D 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 E 10 10.40 0.394 0.409 L 13 14 0.512 0.551 L1 3.50 3.93 0.138 0.155 L2 1.27 1.40 0.050 0.055 A E Millimeters Figure 15: TO-220FPAB Package Mechanical Data REF. A B H Dia L6 L7 L2 L3 L5 F1 L4 F2 F G1 G 6/8 D E A B D E F F1 F2 G G1 H L2 L3 L4 L5 L6 L7 Dia. DIMENSIONS Millimeters Inches Min. Max. Min. Max. 4.4 4.6 0.173 0.181 2.5 2.7 0.098 0.106 2.5 2.75 0.098 0.108 0.45 0.70 0.018 0.027 0.75 1 0.030 0.039 1.15 1.70 0.045 0.067 1.15 1.70 0.045 0.067 4.95 5.20 0.195 0.205 2.4 2.7 0.094 0.106 10 10.4 0.393 0.409 16 Typ. 0.63 Typ. 28.6 30.6 1.126 1.205 9.8 10.6 0.386 0.417 2.9 3.6 0.114 0.142 15.9 16.4 0.626 0.646 9.00 9.30 0.354 0.366 3.00 3.20 0.118 0.126 STPS20170C Figure 16: TO-220AB Package Mechanical Data REF. A C D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. A H2 Dia C L5 L7 L6 L2 F2 F1 D L9 L4 F M G1 E G DIMENSIONS Millimeters Inches Min. Max. Min. Max. 4.40 4.60 0.173 0.181 1.23 1.32 0.048 0.051 2.40 2.72 0.094 0.107 0.49 0.70 0.019 0.027 0.61 0.88 0.024 0.034 1.14 1.70 0.044 0.066 1.14 1.70 0.044 0.066 4.95 5.15 0.194 0.202 2.40 2.70 0.094 0.106 10 10.40 0.393 0.409 16.4 typ. 0.645 typ. 13 14 0.511 0.551 2.65 2.95 0.104 0.116 15.25 15.75 0.600 0.620 6.20 6.60 0.244 0.259 3.50 3.93 0.137 0.154 2.6 typ. 0.102 typ. 3.75 3.85 0.147 0.151 Table 6: Ordering Information ■ ■ ■ ■ Ordering type Marking Package Weight Base qty Delivery mode STPS20170CT STPS20170CT TO-220AB 2.20 g 50 Tube STPS20170CFP STPS20170CFP TO-220FPAB 2g 50 Tube STPS20170CR STPS20170CR I PAK 1.49 g 50 Tube STPS20170CG STPS20170CG Tube STPS20170CG 1.48 g 50 STPS20170CG-TR D2PAK 1000 Tape & reel 2 Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque value: 0.8 m.N. Maximum torque value: 1.0 m.N. Table 7: Revision History Date Revision Description of Changes Mar-2004 1 First issue. 28-Jul-2005 2 TO-220FPAB, I2PAK and D2PAK packages added. 7/8 STPS20170C 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. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. 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