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| STPS40120C Power Schottky rectifier Main product characteristics IF(AV) VRRM Tj(max) VF(typ) 2 x 20 A 120 V 175 C 0.57 V K A1 K A2 K Feature and benefits High junction temperature capability Avalanche rated Low leakage current Good trade-off between leakage current and forward voltage drop A1 K A2 A1 K A2 TO-220AB STPS40120CT I2PAK STPS40120CR Description Dual center tap Schottky rectifier suited for high frequency Switch Mode Power Supply. Packaged in TO-220AB and I2PAK, this device is intended to be used in notebook and LCD adaptors, desktop SMPS, providing in these applications a margin between the remaining voltages applied on the diode and the voltage capability of the diode. Table 1. Symbol VRRM IF(RMS) IF(AV) IFSM PARM Tstg Tj 1. dPtot --------------dTj Order code Part Number STPS40120CT STPS40120CR Marking STPS40120CT STPS40120CR Absolute ratings (limiting values, per diode) Parameter Repetitive peak reverse voltage RMS forward voltage Average forward current = 0.5 Tc = 145 C Per diode Per device tp = 10 ms Sinusoidal tp = 1 s Tj = 25 C Value 120 30 20 40 200 10500 -65 to + 175 temperature(1) 175 Unit V A A A W C C Surge non repetitive forward current Repetitive peak avalanche power Storage temperature range Maximum operating junction < 1 ------------------------Rth ( j - a ) condition to avoid runaway for a diode on its own heatsink December 2006 Rev 2 1/8 www.st.com 8 Characteristics STPS40120C 1 Characteristics Table 2. Symbol Rth(j-c) Rth(c) Junction to case Coupling Thermal parameters Parameter Per diode Total Total Value 1.6 0.85 0.1 Unit C/W C/W 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 3. Symbol IR(1) Static electrical characteristics (per diode) Test conditions Reverse leakage current Tj = 25 C Tj = 125 C Tj = 25 C Tj = 125 C VR = VRRM Min. Typ. Max. 25 4 12 0.73 IF = 7.5 A 0.57 0.61 0.9 IF = 20A V 0.69 0.73 1 IF = 40 A 0.83 0.88 Unit A mA VF(2) Forward voltage drop Tj = 25 C Tj = 125 C Tj = 25 C Tj = 125 C 1. Pulse test : tp = 5 ms, < 2% 2. Pulse test : tp = 380 s, < 2% To evaluate the maximum conduction losses use the following equation : P = 0.58 x IF(AV) + 0.0075 IF2(RMS) 2/8 STPS40120C Characteristics Figure 1. Average forward power dissipation versus average forward current (per diode) = 0.5 = 0.2 = 0.1 = 0.05 =1 Figure 2. Average forward current versus ambient temperature ( = 0.5, per diode) Rth(j-a)=Rth(j-c) PF(AV)(W) 20 18 16 14 12 10 10 22 20 18 16 14 12 IF(AV)(A) Rth(j-a)=15C/W 8 6 4 2 0 0 2 4 6 8 10 12 14 16 18 8 T 6 T 4 2 IF(AV)(A) =tp/T 20 22 tp 0 =tp/T 0 25 tp 50 Tamb(C) 75 100 125 150 175 24 Figure 3. Normalized avalanche power derating versus pulse duration Figure 4. Normalized avalanche power derating versus junction temperature PARM(tp) PARM(1s) 1 PARM(tp) PARM(25C) 1.2 1 0.1 0.8 0.6 0.01 0.4 0.2 0.001 0.01 0.1 1 tp(s) 10 100 1000 Tj(C) 0 25 50 75 100 125 150 Figure 5. Non repetitive surge peak forward current versus overload duration (maximum values, per diode) Figure 6. Relative variation of thermal impedance junction to ambient versus pulse duration IM(A) 240 220 200 180 160 140 120 100 80 60 40 20 0 1.E-03 1.E-02 1.E-01 1.E+00 IM t Zth(j-c)/Rth(j-c) 1.0 0.9 0.8 0.7 0.6 Tc=25C = 0.5 0.5 Tc=75C 0.4 0.3 = 0.2 = 0.1 Single pulse Tc=125C T 0.2 0.1 0.0 =0.5 t(s) tp(s) 1.E-02 1.E-01 =tp/T tp 1.E+00 1.E-03 3/8 Characteristics STPS40120C 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(mA) 1.E+02 1.E+01 1.E+00 1.E-01 Tj=75C C(pF) 1000 Tj=150C Tj=125C Tj=100C F=1MHz VOSC=30mVRMS Tj=25C 100 1.E-02 1.E-03 Tj=50C Tj=25C 1.E-04 VR(V) 1.E-05 0 10 20 30 40 50 60 70 80 90 100 110 120 10 1 VR(V) 10 100 Figure 9. IFM(A) 100 Forward voltage drop versus forward current (per diode) Tj=125C (maximum values) Tj=125C (typical values) Tj=25C (maximum values) 10 VFM(V) 1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 4/8 STPS40120C Package information 2 Package information Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque value: 0.8 Nm Maximum torque value: 1.0 Nm Figure 10. TO-220AB dimensions DIMENSIONS REF. Millimeters Min. A C H2 Dia L5 C L7 L6 L2 F2 F1 L9 L4 F G1 G M E D A Inches Min. 0.173 0.048 0.094 0.019 0.024 0.044 0.044 0.194 0.094 0.393 Max. 0.181 0.051 0.107 0.027 0.034 0.066 0.066 0.202 0.106 0.409 Max. 4.60 1.32 2.72 0.70 0.88 1.70 1.70 5.15 2.70 10.40 4.40 1.23 2.40 0.49 0.61 1.14 1.14 4.95 2.40 10 D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. 16.4 typ. 13 2.65 15.25 6.20 3.50 14 2.95 15.75 6.60 3.93 0.645 typ. 0.511 0.104 0.600 0.244 0.137 0.551 0.116 0.620 0.259 0.154 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 5/8 Package information Table 4. I2PAK dimensions STPS40120C Dimensions Ref. Millimeters Min. A E L2 c2 Inches Min. 0.173 0.094 0.024 0.044 0.019 0.048 0.352 0.094 0.195 0.394 0.512 0.138 0.050 Max. 0.181 0.107 0.035 0.067 0.028 0.052 0.368 0.106 0.203 0.409 0.551 0.155 0.055 Max. 4.60 2.72 0.88 1.70 0.70 1.32 9.35 2.70 5.15 10.40 14 3.93 1.40 A A1 b b1 4.40 2.40 0.61 1.14 0.49 1.23 8.95 2.40 4.95 10 13 3.50 1.27 D c c2 L1 L b1 A1 D e e1 E b e e1 c L L1 L2 In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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. 6/8 STPS40120C Ordering information 3 Ordering information Ordering type STPS40120CT STPS40120CR Marking STPS40120CT STPS40120CR Package TO-220AB I PAK 2 Weight 2.23 g 1.49 g Base qty 50 50 Delivery mode Tube Tube 4 Revision history Date 18-Feb-2005 1-Dec-2006 Revision 1 2 First issue Reformatted to current standards. Added I2PAK. Description of Changes 7/8 STPS40120C Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2006 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 |
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