STPS20SM120ST

STPS20SM120S Datasheet 120 V power Schottky rectifier Features A K A K K A K A A K A • • • • • High current capability Avalanche rated Low forward voltage drop High frequency operation Insulated package TO220FPAB: – Insulated voltage: 2000 VRMS sine • ECOPACK®2 compliant TO-220FPAB TO-220AB Applications • • • • • Switching diode SMPS DC/DC converter LED lighting Notebook adapter Description This Schottky diode is suited for high frequency switch mode power supply. Product status Packed in TO-220AB and TO-220FPAB, the STPS20SM120S is optimized for use in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. STPS20SM120S Product summary IF(AV) 20 A VRRM 120 V Tj (max) 150 °C VF (typ) 0.65 V DS8944 - Rev 4 - November 2018 For further information contact your local STMicroelectronics sales office. www.st.com STPS20SM120S Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified, anode terminals short circuited) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 120 V IF(RMS) Forward rms current 50 A IF(AV) Average forward current δ = 0.5, square wave 20 A IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 220 A PARM Repetitive peak avalanche power tp = 10 µs, Tj = 125 °C 900 W -65 to +175 °C +150 °C Tstg Tj Storage temperature range Maximum operating junction temperature (1) 1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink. Table 2. Thermal resistance parameter Symbol Rth(j-c) Parameter Junction to case Value TO-220AB Unit 1.55 TO-220FPAB °C/W 4 For more information, please refer to the following application note : • AN5088 : Rectifiers thermal management, handling and mounting recommendations Table 3. Static electrical characteristics (anode terminals short circuited) Symbol IR (1) Parameter Reverse leakage current Test conditions Tj = 25 °C Tj = 125 °C Tj = 125 °C Tj = 25 °C VF (2) Forward voltage drop Tj = 125 °C Tj = 25 °C Tj = 125 °C VR = VRRM IF = 5 A IF = 10 A IF = 20 A Min. Typ. Max. Unit - 40 210 µA - 15 40 mA - 0.49 0.54 - 0.75 0.57 - 0.62 V 0.89 0.65 0.72 1. Pulse test: tp = 5 ms, δ < 2% 2. Pulse test: tp = 380 µs, δ < 2% To evaluate the conduction losses, use the following equation: P = 0.56 x IF(AV) + 0.008 IF 2 (RMS) For more information, please refer to the following application notes related to the power losses : • AN604: Calculation of conduction losses in a power rectifier • AN4021: Calculation of reverse losses on a power diode DS8944 - Rev 4 page 2/11 STPS20SM120S Characteristics (curves) 1.1 Characteristics (curves) Figure 1. Average forward power dissipation versus average forward current PF(AV)(W) 24 Rth(j-a)=Rth(j-c) δ=0.1 δ=0.2 20 δ=1.0 δ=0.5 16 16 12 12 8 8 T 4 IF(AV) (A) 0 0 4 8 12 δ=tp/T 16 20 tp 24 T 4 28 Figure 3. Normalized avalanche power derating versus pulse duration (Tj = 125 °C) 1 IF(AV) (A) 24 δ=0.05 20 Figure 2. Average forward current versus ambient temperature (δ = 0.5, TO-220AB) δ=tp/T 0 0 T amb (°C) tp 25 50 75 100 125 150 Figure 4. Relative variation of thermal impedance junction to case versus pulse duration (TO-220AB) Zth(j-c) /Rth(j-c) PARM (t p ) PARM (10 µs) 1.0 0.9 0.8 0.7 0.1 0.6 0.5 0.4 0.01 0.3 0.2 0.001 0.1 t p(µs) 1 DS8944 - Rev 4 10 100 1000 0.0 1.E-04 Single pulse 1.E-03 t p (s) 1.E-02 1.E-01 1.E+00 page 3/11 STPS20SM120S Characteristics (curves) Figure 5. Reverse leakage current versus reverse voltage applied (typical values) 1.E+02 Figure 6. Junction capacitance versus reverse voltage applied (typical values) C(pF) I R (mA) 1000 F = 1 MHz VOSC = 30 mVRMS Tj = 25 °C Tj = 150 °C 1.E+01 Tj = 125 °C Tj = 100 °C 1.E+00 Tj = 75 °C 1.E-01 Tj = 50 °C Tj = 25 °C 1.E-02 VR(V) VR(V) 1.E-03 0 10 20 30 40 50 100 60 70 80 90 100 110 1 120 10 100 1000 Figure 7. Forward voltage drop versus forward current IF (A) 1000.0 Tj = 125 °C (maximum values) 100.0 Tj = 125 °C (typical values) 10.0 Tj = 25 °C (maximum values) 1.0 0.1 0.0 DS8944 - Rev 4 VF(V) 0 .2 0.4 0 .6 0.8 1 .0 1.2 1 .4 1.6 1 .8 page 4/11 STPS20SM120S Package information 2 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 2.1 TO-220AB package information • • • • Epoxy meets UL 94,V0 Cooling method: by conduction (C) Recommended torque value: 0.55 N·m Maximum torque value: 0.70 N·m Figure 8. TO-220AB package outline DS8944 - Rev 4 page 5/11 STPS20SM120S TO-220AB package information Table 4. TO-220AB package mechanical data Dimensions Ref. Millimeters Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 b 0.61 0.88 0.240 0.035 b1 1.14 1.55 0.045 0.061 c 0.48 0.70 0.019 0.028 D 15.25 15.75 0.600 0.620 D1 DS8944 - Rev 4 Inches (for reference only) 1.27 typ. 0.050 typ. E 10.00 10.40 0.394 0.409 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 F 1.23 1.32 0.048 0.052 H1 6.20 6.60 0.244 0.260 J1 2.40 2.72 0.094 0.107 L 13.00 14.00 0.512 0.551 L1 3.50 3.93 0.138 0.155 L20 16.40 typ. 0.646 typ. L30 28.90 typ. 1.138 typ. θP 3.75 3.85 0.148 0.152 Q 2.65 2.95 0.104 0.116 page 6/11 STPS20SM120S TO-220FPAB package information 2.2 TO-220FPAB package information • • • • Epoxy meets UL 94,V0 Cooling method: by conduction (C) Recommended torque value: 0.55 N·m Maximum torque value: 0.70 N·m Figure 9. TO-220FPAB package outline DS8944 - Rev 4 page 7/11 STPS20SM120S TO-220FPAB package information Table 5. TO-220FPAB package mechanical data Dimensions Ref. Millimeters Min. Max. Min. Max. A 4.40 4.60 0.1739 0.1818 B 2.50 2.70 0.0988 0.1067 D 2.50 2.75 0.0988 0.1087 E 0.45 0.70 0.0178 0.0277 F 0.75 1.00 0.0296 0.0395 F1 1.15 1.70 0.0455 0.0672 F2 1.15 1.70 0.0455 0.0672 G 4.95 5.20 0.1957 0.2055 G1 2.40 2.70 0.0949 0.1067 H 10.00 10.40 0.3953 0.4111 L2 DS8944 - Rev 4 Inches (for reference only) 16.00 typ. 0.6324 typ. L3 28.60 30.60 1.1304 1.2095 L4 9.80 10.60 0.3874 0.4190 L5 2.90 3.60 0.1146 0.1423 L6 15.90 16.40 0.6285 0.6482 L7 9.00 9.30 0.3557 0.3676 Dia 3.00 3.20 0.1186 0.1265 page 8/11 STPS20SM120S Ordering information 3 Ordering information Table 6. Ordering information DS8944 - Rev 4 Order code Marking Package Weight Base qty Delivery mode STPS20SM120ST PS20SM120ST TO-220AB 1.95 g 50 Tube STPS20SM120SFP PS20SM120SFP TO-220FPAB 1.90 g 50 Tube page 9/11 STPS20SM120S Revision history Table 7. Document revision history DS8944 - Rev 4 Date Revision Changes 02-Apr-2012 1 First issue. 13-Nov-2014 2 Added TO-220AB and TO-220FPAB package information. 27-Jun-2018 3 Removed I²PAK and TO-220AB narrow leads package information. Updated Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified, anode terminals short circuited) and Figure 3. Normalized avalanche power derating versus pulse duration (Tj = 125 °C). 29-Nov-2018 4 Updated Table 6. page 10/11 STPS20SM120S IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2018 STMicroelectronics – All rights reserved DS8944 - Rev 4 page 11/11