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| STPS50U100C Ultralow forward voltage power Schottky rectifier Features A1 Ultralow forward voltage drop High current capability High frequency operation ECOPACK(R)2 compliant components K A2 A2 Description The STPS50U100C is a dual power Schottky diode rectifier, suited for high frequency switch mode power supply. Featuring an ultralow forward voltage drop, this device, packaged in TO-220AB and IPAK, is intended to be used in notebook, game station and desktop adaptors as well as server SMPS. It has been especially designed to help power supply manufacturers meet the recently introduced worldwide efficiency standards. A1 K A1 K A2 TO-220AB STPS50U100CT I2PAK STPS50U100CR Table 1. Device summary Symbol IF(AV) VRRM Value 2 x 25 A 100 V 0.64 V 150 C VF(TYP) @ 25 A @ 125 C Tj (max) November 2009 Doc ID 16603 Rev 1 1/8 www.st.com 8 Characteristics STPS50U100C 1 Table 2. Symbol VRRM IF(RMS) IF(AV) IFSM Tstg Tj 1. Characteristics Absolute ratings (limiting values per diode at 25 C, unless otherwise specified) Parameter Repetitive peak reverse voltage Forward rms current Average forward current, = 0.5 Surge non repetitive forward current Storage temperature range Maximum operating junction temperature(1) TC = 120 C Per diode TC = 105 C Per device tp = 10 ms, half sine-wave Value 100 50 25 50 250 -65 to + 150 150 Unit V A A A C C 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Symbol Rth (j-c) Rth (c) Thermal resistance Parameter Junction to case Coupling Per diode Per device Value 1.3 0.9 0.45 Unit C/W C/W When the diodes 1 and 2 are used simultaneously: Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) Table 4. Symbol Static electrical characteristics Parameter Tests conditions Tj = 25 C VR = 70 V Min. VR = VRRM IF = 5 A IF = 15 A IF = 25 A Typ. 15 10 30 15 0.48 0.38 0.58 0.54 0.67 0.64 Max. 200 40 V 0.73 0.7 Unit A mA A mA IR Reverse leakage current Tj = 125 C Tj = 25 C Tj = 125 C Tj = 25 C Tj = 125 C VF Forward voltage drop Tj = 25 C Tj = 125 C Tj = 25 C Tj = 125 C To evaluate the conduction losses use the following equation: P = 0.475 x IF(AV) + 0.009 IF2(RMS) 2/8 Doc ID 16603 Rev 1 STPS50U100C Characteristics Figure 1. Average forward power dissipation Figure 2. versus average forward current (per diode) 250 Non repetitive surge peak forward current versus overload duration (maximum values, per diode) 28 24 20 16 12 8 PF(AV)(W) = 0.05 = 0.1 = 0.2 = 0.5 IM(A) =1 225 200 175 150 125 100 75 Tc = 25 C Tc = 75 C Tc = 125 C t = 0.5 1.E-02 1.E-01 T 50 25 4 = tp / T IM 0 0 5 10 15 20 tp 25 IF(AV)(A) 30 35 0 1.E-03 t(s) 1.E+00 Figure 3. Reverse leakage current versus reverse voltage applied (typical values, per diode) Tj = 150 C Figure 4. Average forward current versus ambient temperature ( = 0.5, per diode) 1.E+02 IR(mA) 30 25 20 15 10 IF(AV)(A) Rth(j-a) = Rth(j-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 5 1.E-02 T = tp / T 1.E-03 0 10 20 30 40 50 60 70 80 VR(V) 0 90 100 0 tp 25 50 75 Tamb(C) 100 125 150 Figure 5. Relative variation of thermal Figure 6. impedance junction to case versus pulse duration 10000 Junction capacitance versus reverse voltage applied (typical values, per diode) F = 1 MHz Vosc = 30 mVRMS Tj = 25 C 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Zth(j-c)/Rth(j-c) C(pF) 1000 Single pulse 0.0 1.E-04 tp(s) 1.E-03 1.E-02 1.E-01 1.E+00 100 1 10 VR(V) 100 Doc ID 16603 Rev 1 3/8 Application information Figure 7. Forward voltage drop versus forward current (per diode) 50 45 40 35 30 25 20 15 10 5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 STPS50U100C IFM(A) Tj = 125 C (Maximum value) Tj = 125 C (Typical value) Tj = 25 C (Maximum value) VFM(V) 0.9 1.0 2 Application information It is mandatory to ensure a peak reverse voltage below the VRRM absolute rating. Therefore, it is recommended to use a RC clamping snubber circuit in parallel with the STPS50U100C device. Figure 8. Application schematic R C DC/DC input DC/DC output STPS50U100C 4/8 Doc ID 16603 Rev 1 STPS50U100C Package information 3 Package information Epoxy meets UL94,V0 Cooling method: by conduction (C) Recommended torque value: 0.4 to 0.6 N*m In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. Table 5. TO-220AB dimensions Dimensions Ref. Millimeters Min. A C H2 Dia L5 L7 L6 L2 F2 F1 L9 L4 F G1 G M E D C 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 Doc ID 16603 Rev 1 5/8 Package information Table 6. I2PAK dimensions STPS50U100C 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 6/8 Doc ID 16603 Rev 1 STPS50U100C Ordering information 4 Ordering information Table 7. Ordering information Marking STPS50U100C STPS50U100C Package TO-220AB I PAK 2 Order code STPS50U100CT STPS50U100CR Weight 2.23 g 1.49 g Base qty 50 50 Delivery mode Tube Tube 5 Revision history Table 8. Date 17-Nov-2009 Document revision history Revision 1 First release. Changes Doc ID 16603 Rev 1 7/8 STPS50U100C 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) 2009 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 - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 8/8 Doc ID 16603 Rev 1 |
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