STPS20M120SR

STPS20M120S Datasheet 120 V power Schottky rectifier Features A K A K K A K A A TO-220AB narrow leads K I²PAK • • • • High current capability Avalanche rated Low forward voltage drop High frequency operation • ECOPACK®2 compliant A Applications • • • • • Switching diode SMPS DC/DC converter LED lighting Notebook adapter Description This Schottky diode is suited for high frequency switch mode power supply. Packaged in TO-220AB narrow leads and I2PAK, the STPS20M120S is optimized for use in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. Product status STPS20M120S Product summary IF(AV) 20 A VRRM 120 V Tj (max) 150 °C VF (typ) 0.63 V DS8943 - Rev 3 - November 2018 For further information contact your local STMicroelectronics sales office. www.st.com STPS20M120S 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 TC = 125 °C 20 A IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 240 A PARM Repetitive peak avalanche power tp = 10 µs, Tj = 125 °C 1200 W -65 to +175 °C +150 °C Tstg Storage temperature range Tj 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 Unit 1.35 °C/W 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 = 25 °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 - 55 275 µA - 20 50 mA - 0.47 0.52 - 0.72 0.52 - 0.57 V 0.84 0.63 0.69 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 = 0.54 x IF(AV) + 0.0075 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 DS8943 - Rev 3 page 2/12 STPS20M120S Characteristics (curves) 1.1 Characteristics (curves) Figure 1. Average forward power dissipation versus average forward current Figure 2. Average forward current versus ambient temperature (δ = 0.5) PF(AV)(W) 24 IF(AV) (A) 24 δ=0.05 20 Rth(j-a)=Rth(j-c) δ=0.1 δ=0.2 δ=1.0 δ=0.5 20 16 16 12 12 8 8 T T 4 4 IF(AV) (A) 0 0 4 8 12 δ=tp/T 16 20 tp 24 28 Figure 3. Normalized avalanche power derating versus pulse duration (Tj = 125 °C) 1 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 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 DS8943 - Rev 3 10 100 1000 Single pulse t p (s) 0.0 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 page 3/12 STPS20M120S Characteristics (curves) Figure 5. Reverse leakage current versus reverse voltage applied (typical values) Figure 6. Junction capacitance versus reverse voltage applied (typical values) C(pF) I R (µA) 1000 1.E+02 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-01 100 Tj = 50 °C Tj = 25 °C 1.E-02 VR(V) VR(V) 1.E-03 0 10 20 30 40 50 10 60 70 80 90 100 110 1 120 10 100 1000 Figure 7. Forward voltage drop versus forward current 1000.0 IF (A) Tj = 125 °C (maximum values) 100.0 Tj = 125 °C (typical values) 10.0 Tj = 25 °C (maximum values) 1.0 VF(V) 0.1 0.0 DS8943 - Rev 3 0.2 0.4 0 .6 0.8 1.0 1.2 1.4 1.6 page 4/12 STPS20M120S 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. DS8943 - Rev 3 page 5/12 STPS20M120S TO-220AB narrow leads package information 2.1 TO-220AB narrow leads package information • • • • Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque value: 0.55 N·m Maximum torque value: 0.70 N·m Figure 8. TO-220AB narrow leads package outline A ØP E F Q H1 D D1 L20 L30 L1 b1(x3) L 1 2 e e1 DS8943 - Rev 3 3 J1 C b (x3) page 6/12 STPS20M120S TO-220AB narrow leads package information Table 4. TO-220AB narrow leads 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 0.95 1.20 0.037 0.047 c 0.48 0.70 0.019 0.028 D 15.25 15.75 0.600 0.620 D1 DS8943 - Rev 3 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 2.60 2.90 0.138 0.155 L20 15.40 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 7/12 STPS20M120S I²PAK package information 2.2 I²PAK package information • • Epoxy meets UL 94,V0 Cooling method: by conduction (C) Figure 9. I²PAK package outline DS8943 - Rev 3 page 8/12 STPS20M120S I²PAK package information Table 5. I²PAK package mechanical data Dimensions Ref. DS8943 - Rev 3 Millimeters Inches (for reference only) 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 10.00 10.40 0.394 0.409 L 13.00 14.00 0.512 0.551 L1 3.50 3.93 0.138 0.155 L2 1.27 1.40 0.050 0.055 page 9/12 STPS20M120S Ordering information 3 Ordering information Table 6. Ordering information Order code Marking Package Weight Base qty Delivery mode STPS20M120STN PS20M120STN TO-220AB narrow leads 1.90 g 50 Tube PS20M120SR I2PAK 1.50 g 50 Tube STPS20M120SR DS8943 - Rev 3 page 10/12 STPS20M120S Revision history Table 7. Document revision history DS8943 - Rev 3 Date Revision Changes 02-Apr-2012 1 First issue. 27-Jun-2018 2 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 3 Updated Table 6. page 11/12 STPS20M120S 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 DS8943 - Rev 3 page 12/12