STPS40170C ® HIGH VOLTAGE POWER SCHOTTKY RECTIFIER Table 1: Main Product Characteristics IF(AV) 2 x 20 A VRRM 170 V Tj 175 °C VF(max) 0.75 V A1 K A2 K K FEATURES AND BENEFITS ■ ■ ■ ■ ■ ■ High junction temperature capability Low leakage current Good trade off between leakage current and forward voltage drop Low thermal resistance High frequency operation Avalanche specification A2 A2 A1 K A1 D2PAK STPS40170CG TO-220AB STPS40170CT DESCRIPTION A2 Dual center tab Schottky rectifier suited for High Frequency Switched Mode Power Supplies. Packaged in TO-220AB, D2PAK and TO-247, these devices are intended for use to enhance the reliability of the application. K A1 TO-247 STPS40170CW Table 2: Order Codes September 2005 Part Numbers Marking STPS40170CT STPS40170CT STPS40170CG STPS40170CG STPS40170CG-TR STPS40170CG STPS40170CW STPS40170CW REV. 1 1/8 STPS40170C Table 3: Absolute Ratings (limiting values, per diode) Symbol VRRM IF(RMS) Parameter Value Unit Repetitive peak reverse voltage 170 V RMS forward current 60 A 20 40 A Per diode Per device Tc = 150 °C δ = 0.5 IF(AV) Average forward current IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 250 A PARM Repetitive peak avalanche power tp = 1 µs Tj = 25 °C 14100 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 Junction to case Rth(c) Value Unit Per diode Total 1.2 0.85 °C/W Coupling 0.5 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 IR * Parameter 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 7 Max. Unit 30 µA 30 mA 0.92 IF = 20A 0.69 0.75 1.00 IF = 40A 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) + 0.055 IF (RMS) 2/8 Typ 0.86 V STPS40170C 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) IF(AV)(A) PF(AV)(W) 22 d=0.1 d=0.05 20 d=0.5 d=0.2 22 d=1 Rth(j-a)=Rth(j-c) 20 18 18 16 16 14 14 12 12 10 10 8 Rth(j-a)=15°C/W 8 6 6 T 4 T 4 2 d=tp/T IF(AV)(A) 2 tp 0 d=tp/T tp Tamb (°C) 0 0 2 4 6 8 10 12 14 16 18 20 22 Figure 3: Normalized avalanche derating versus pulse duration 24 26 28 power PARM (t p ) PARM (1µs) 0 50 75 100 125 150 Figure 4: Normalized avalanche derating versus junction temperature 1.2 1 25 175 power PARM (t p ) PARM (25°C) 1 0.1 0.8 0.6 0.01 0.4 0.2 Tj (°C) t p (µs) 0.001 0.01 0.1 1 10 100 1000 Figure 5: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) 0 25 50 75 100 125 150 Figure 6: Relative variation of thermal impedance junction to case versus pulse duration IM(A) Zth(j-c)/Rth(j-c) 250 1.0 0.9 200 0.8 0.7 TC=50°C 150 TC=75°C 100 d=0.5 0.6 0.5 0.4 d=0.2 0.3 d=0.1 T TC=125°C 50 0.2 IM t 0 1.E-03 0.1 t(s) d =0.5 1.E-02 1.E-01 1.E+00 Single pulse 0.0 1.E-03 d=tp/T tP(s) 1.E-02 1.E-01 tp 1.E+00 3/8 STPS40170C Figure 7: Reverse leakage current versus reverse voltage applied (typical values, per diode) Figure 8: Junction capacitance versus reverse voltage applied (typical values, per diode) IR(µA) C(pF) 1000 1.E+05 F=1MHz VOSC=30mVRMS Tj=25°C Tj=150°C 1.E+04 Tj=125°C 1.E+03 Tj=100°C 1.E+02 100 Tj=75°C Tj=50°C 1.E+01 Tj=25°C 1.E+00 VR(V) VR(V) 10 1.E-01 0 1 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Figure 9: Forward voltage drop versus forward current (per diode, low level) 10 100 1000 Figure 10: Forward voltage drop versus forward current (per diode, high level) IFM(A) IFM(A) 20 1000 18 Tj=125°C (Maximum values) 16 Tj=125°C (Maximum values) 14 100 12 Tj=125°C (Typical values) 10 Tj=125°C (Typical values) Tj=25°C (Maximum values) 8 10 6 4 Tj=25°C (Maximum values) 2 VFM(V) VFM(V) 1 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 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 D²PAK 70 60 50 40 30 20 10 SCU(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 STPS40170C 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 STPS40170C Figure 14: TO-247 Package Mechanical Data DIMENSIONS REF. Millimeters Min. V A V Dia 4.85 L2 L4 F2 F1 L1 F4 D L3 M G E 2.60 0.086 0.102 0.031 F 1.00 1.40 0.039 0.055 3.00 0.118 2.00 0.078 F3 2.00 2.40 0.078 0.094 F4 3.00 3.40 0.118 0.133 10.90 0.429 H 15.45 15.75 0.608 0.620 L 19.85 20.15 0.781 0.793 L1 3.70 4.30 0.145 0.169 18.50 14.20 0.728 14.80 0.559 0.582 L4 34.60 1.362 L5 5.50 0.216 M 2.00 3.00 0.078 0.118 V 5° 5° V2 60° 60° Dia. 6/8 0.203 0.80 0.015 L3 F(x3) 5.15 0.191 Max. 2.20 L2 F3 V2 Typ. 0.40 G L Min. E F2 L5 Max. D F1 A H Typ. Inches 3.55 3.65 0.139 0.143 STPS40170C Figure 15: TO-220AB Package Mechanical Data REF. A H2 Dia C L5 L7 L6 L2 F2 F1 D L9 L4 F M G1 E G A C D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. 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 In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Table 6: Ordering Information ■ ■ ■ ■ Ordering type Marking Package Weight Base qty Delivery mode STPS40170CT STPS40170CT TO-220AB 2.20 g 50 Tube STPS40170CG STPS40170CG Tube STPS40170CG 1.48 g 50 STPS40170CG-TR D2PAK 1000 Tape & reel STPS40170CW STPS40170CW TO-247 4.4 g 30 Tube Epoxy meets UL94, V0 Cooling method: by conduction (C) TO-220 - Recommended torque value: 0.55 Nm, Maximum torque value: 0.7 Nm. TO-247 - Recommended torque value: 0.8 Nm, Maximum torque value: 1.0 Nm. Table 7: Revision History Date Revision 16-Sep-2005 1 Description of Changes First issue. 7/8 STPS40170C 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. All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 8/8