ST STPS20L45C handbook
Contents
1. Figure 5 current versus overload duration maximum values per diode TO 220AB D2PAK Non repetitive surge peak forward Figure 6 Non repetitive surge peak forward current versus overload duration maximum values per diode TO 220FPAB 3 9 Characteristics STPS20L45C Figure 7 Relative variation of thermal Figure 8 Relative variation of thermal impedance junction to case versus impedance junction to case versus pulse duration TO 220AB D2PAK pulse duration TO 220FPAB Zth j c Rth j c Zth j c Rth j c 1 0 Timo o Eeee NO T Figure 9 Reverse leakage current versus Figure 10 Junction capacitance versus reverse voltage applied typical reverse voltage applied typical values per diode values per diode2. Figure 11 Forward voltage drop versus Figure 12 Thermal resistance junction to forward current maximum values ambient versus copper surface per diode under tab Epoxy printed circuit board FR4 copper thickness 35um D2PAK Rth j a C W Tj 150 C typical values lt 4 9 STPS20L45C 2 a Package information Epoxy meets UL94 VO Cooling method by conduction C Recommended torque value 0 55 Nm Maximum torque value 0 70 Nm Table 4 TO 220FPAB dimensions Package information Dimensions _Milimetors imohes LILILILA e 2s 27 oos oro Do 25 275 om 010 Ta 78 dos oa oa Fur 850 oso oas 0366 oia s00 s20 ors ones 5 9 Package information Table 5 TO 220AB dimensions 6 9 STPS20L45C mo a LILICA TD 2 are oca 0107 Fur 620 600 ones 0289 Cm som orem x STPS20L45C a Table 6 D2PAK dimensions
3. FLAT ZONE NO LESS THAN 2m Package information Maton Rete a Mia San e 670 oss acer 00s To eas oso oor om To 85 ess ose Toas Tm 240 320 assa 0 725 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 7 9 Ordering Information STPS20L45C 3 Ordering Information STPS20L45CFP STPS20L45CFP TO 220FPAB STPS20L45CT STPS20L45CT TO 220AB STPS20L45CG STPS20L45CG D2PAK 1 48 g STPS20L45CG TR STPS20L45CG D2PAK 1 48 g 1000 Tape amp Reel 4 Revision history 22 Mar 2007 Removed ISOWATT and TO 247 packages SZA 8 9 STPS20L45C 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 s
4. ky STPS20L45C Low drop power Schottky rectifier Main product characteristics Features and benefits K m Low forward voltage drop meaning very small conduction losses TO 220FPAB TO 220AB oa ie STPS20L45CFP STPS20L45CT m Low switching losses allowing high frequency operation m Insulated package TO 220FPAB Insulating voltage 2000 V DC Capacitance 12 pF m Avalanche capability specified Description D2PAK STPS20L45CG Dual center tap Schottky rectifiers designed for high frequency switched mode power supplies and DC to DC converters These devices are intended for use in low voltage high frequency inverters free wheeling and polarity protection applications March 2007 Rev 4 1 9 www st com Characteristics STPS20L45C 1 2 9 Characteristics Table 1 Absolute Ratings limiting values Symbol Parameter Repetitive peak reverse voltage RMS forward voltage TO 220AB D PAK 1051957 C Per diode Average forward 6 0 5 Per device FAV current TO 220FPAB To 115 C Per diode 6 0 5 Per device a on ative cont p 10mm Seuss 180 AT Non repetitive peak reverse current Storage temperature range Maximum operating junction temperature dV dt Critical rate of rise of reverse voltage 10000 1 ih lt ONE condition to avoid thermal runaway for a diode on its own heatsink Table 2 Thermal resistances Per diode Rth j c Junction to case TO 220FPAB Total Coupling Per
5. diode Ren c Junction to case TO 220AB D PAK Total Coupling When the diodes 1 and 2 are used simultaneously ATi diode 1 P diode1 x Rin i c Per diode P diode 2 x Rih c Table 3 Static electrical characteristics per diode Symbol Test Conditions Typ T 25 C In Reverse leakage current Va VRRM T 125 C Ip 10A Tj 25 C Ip 20A Forward voltage drop 1 Pulse test tp 380 us 6 lt 2 To evaluate the conduction losses use the following equation P 0 28 x lF AV 0 022 I RMS lt STPS20L45C Figure 1 Average forward power dissipation versus average forward current per diode PF av W Figure 2 IF AV A Characteristics Average forward current versus ambient temperature 0 5 per diode cmo a a A E Corsi tp T E O a NOA oaoNo Normalized avalanche power derating versus pulse duration Figure 3 PARM tp PARM US Figure 4 Normalized avalanche power derating versus junction temperature PARM tp PARM 25 C
6. RE 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 2007 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 9 9
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ST STPS20L45C handbook