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| (R) STPS40L45CG/CT/CW LOW DROP POWER SCHOTTKY RECTIFIER MAIN PRODUCTS CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS 2 x 20 A 45 V 150 C 0.49 V A1 K A2 K A2 A1 s s s LOW FORWARD VOLTAGE DROP MEANING VERY SMALL CONDUCTION LOSSES LOW SWITCHING LOSSES ALLOWING HIGH FREQUENCY OPERATION AVALANCHE CAPABILITY SPECIFIED D PAK STPS40L45CG 2 DESCRIPTION Dual center tap Schottky barrier rectifier designed for high frequency Switched Mode Power Supplies and DC to DC converters. Packaged in TO-220AB, TO-247 and D2PAK these devices are intended for use in low voltage, high frequency inverters, free-wheeling and polarity protection applications. ABSOLUTE RATINGS (limiting values, per diode) Symbol VRRM IF(RMS) IF(AV) IFSM IRRM IRSM PARM Tstg Tj Parameter Repetitive peak reverse voltage RMS forward current Average forward current Surge non repetitive forward current Repetitive peak reverse current Non repetitive peak reverse current Repetitive peak avalanche power Storage temperature range Maximum operating junction temperature * Tc = 130C = 0.5 Per diode Per device Value 45 30 20 40 230 2 3 8100 - 65 to + 150 150 Unit V A A A A A W C C V/s A2 A1 K A2 K A1 TO-220AB STPS40L45CT TO-247 STPS40L45CW tp = 10 ms Sinusoidal tp = 2 s square F = 1kHz tp = 100 s square tp = 1s Tj = 25C dV/dt 10000 Critical rate of rise of reverse voltage dPtot 1 thermal runaway condition for a diode on its own heatsink *: < dTj Rth( j - a ) July 2003 - Ed: 4A 1/6 STPS40L45CT/CW THERMAL RESISTANCES Symbol Rth (j-c) Rth(c) Junction to case Parameter Per diode Total Coupling Value 1.5 0.8 0.1 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) STATIC ELECTRICAL CHARACTERISTICS (per diode) Symbol IR * Parameter Reverse leakage current Forward voltage drop Tests Conditions Tj = 25C Tj = 125C Tj = 25C Tj = 125C Tj = 25C Tj = 125C Pulse test : * tp = 380 s, < 2% Min. Typ. Max. 0.6 Unit mA mA V VR = VRRM 140 IF = 20 A IF = 20 A IF = 40 A IF = 40 A 0.6 0.42 280 0.53 0.49 0.69 0.7 VF * To evaluate the conduction losses use the following equation : P = 0.28 x IF(AV) + 0.0105 IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current (per diode). PF(av)(W) 16 14 12 10 8 6 4 2 0 0 2 4 6 8 IF(av) (A) =tp/T T Fig. 2: Average forward current versus ambient temperature ( = 0.5, per diode) IF(av)(A) = 0.1 = 0.05 = 0.2 = 0.5 =1 tp 10 12 14 16 18 20 22 24 22 20 18 16 14 12 10 8 6 4 2 0 Rth(j-a)=Rth(j-c) Rth(j-a)=15C/W T =tp/T tp Tamb(C) 50 75 100 125 150 0 25 2/6 STPS40L45CT/CW Fig. 3: Normalized avalanche power derating versus pulse duration. PARM(tp) PARM(1s) 1 Fig. 4: Normalized avalanche power derating versus junction temperature. 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 0 25 50 75 100 125 150 Fig. 5: Non repetitive surge peak forward current versus overload duration (maximum values, per diode). IM(A) 250 225 200 175 150 125 100 75 50 IM 25 0 1E-3 Fig. 6: Relative variation of thermal impedance junction to case versus pulse duration. Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 = 0.5 Tc=25C 0.4 Tc=75C = 0.2 = 0.1 T 0.2 t =0.5 t(s) 1E-2 1E-1 Tc=125C Single pulse tp(s) 1E-3 1E-2 1E+0 0.0 1E-4 =tp/T tp 1E-1 1E+0 Fig. 7: Reverse leakage current versus reverse voltage applied (typical values, per diode). IR(mA) 1E+3 Tj=150C Fig. 8: Junction capacitance versus reverse voltage applied (typical values, per diode). C(nF) 10.0 F=1MHz Tj=25C 1E+2 1E+1 1E+0 1E-1 1E-2 Tj=125C 1.0 Tj=75C Tj=25C 0.1 VR(V) 0 5 10 15 20 25 30 35 40 45 VR(V) 1 10 100 3/6 STPS40L45CT/CW Fig. 10: Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuit board FR4, copper thickness: 35m) (STPS40L45CG only). Rth(j-a) (C/W) 80 70 60 100 Typical values Tj=150C Fig. 9: Forward voltage drop versus forward current (maximum values, per diode). IFM(A) 1000 50 40 30 Tj=75C Tj=25C Tj=125C 10 20 10 VFM(V) S(Cu) (cm) 0 5 10 15 20 25 30 35 40 1 0.0 0 1.0 1.2 1.4 1.6 0.2 0.4 0.6 0.8 PACKAGE MECHANICAL DATA TO-220AB DIMENSIONS REF. H2 Dia L5 C L7 L6 L2 F2 F1 L9 L4 F G1 G M E D A Millimeters Min. Max. 4.40 4.60 1.23 1.32 2.40 2.72 0.49 0.70 0.61 0.88 1.14 1.70 1.14 1.70 4.95 5.15 2.40 2.70 10 10.40 16.4 typ. 13 14 2.65 2.95 15.25 15.75 6.20 6.60 3.50 3.93 2.6 typ. 3.75 3.85 Inches Min. Max. 0.173 0.181 0.048 0.051 0.094 0.107 0.019 0.027 0.024 0.034 0.044 0.066 0.044 0.066 0.194 0.202 0.094 0.106 0.393 0.409 0.645 typ. 0.511 0.551 0.104 0.116 0.600 0.620 0.244 0.259 0.137 0.154 0.102 typ. 0.147 0.151 A C D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. s s s COOLING METHOD : C RECOMMENDED TORQUE VALUE : 0.55M.N MAXIMUM TORQUE VALUE : 0.70 M.N 4/6 STPS40L45CG/CT/CW PACKAGE MECHANICAL DATA D2PAK DIMENSIONS A E L2 C2 REF. A A1 A2 B B2 C C2 D E G L L2 L3 M R V2 Millimeters Min. Max. 4.40 4.60 2.49 2.69 0.03 0.23 0.70 0.93 1.14 1.70 0.45 0.60 1.23 1.36 8.95 9.35 10.00 10.40 4.88 5.28 15.00 15.85 1.27 1.40 1.40 1.75 2.40 3.20 0.40 typ. 0 8 Inches Min. Max. 0.173 0.181 0.098 0.106 0.001 0.009 0.027 0.037 0.045 0.067 0.017 0.024 0.048 0.054 0.352 0.368 0.393 0.409 0.192 0.208 0.590 0.624 0.050 0.055 0.055 0.069 0.094 0.126 0.016 typ. 0 8 D L L3 A1 B2 B G A2 C R M * V2 * FLAT ZONE NO LESS THAN 2mm s COOLING METHOD : BY CONDUCTION (METHOD C) FOOT PRINT (in millimeters) D2PAK 16.90 10.30 1.30 5.08 3.70 8.90 5/6 STPS40L45CT/CW PACKAGE MECHANICAL DATA TO-247 DIMENSIONS V REF. Millimeters Inches Min. Typ. Max. Min. Typ. Max. V Dia. H A L5 L L2 L4 F2 F3 V2 F(x3) G = = M E F4 L3 F1 L1 D A 4.85 5.15 0.191 D 2.20 2.60 0.086 E 0.40 0.80 0.015 F 1.00 1.40 0.039 F1 3.00 F2 2.00 F3 2.00 2.40 0.078 F4 3.00 3.40 0.118 G 10.90 H 15.45 15.75 0.608 L 19.85 20.15 0.781 L1 3.70 4.30 0.145 L2 18.50 L3 14.20 14.80 0.559 L4 34.60 L5 5.50 M 2.00 3.00 0.078 V 5 V2 60 Dia. 3.55 3.65 0.139 0.203 0.102 0.031 0.055 0.118 0.078 0.094 0.133 0.429 0.620 0.793 0.169 0.728 0.582 1.362 0.216 0.118 5 60 0.143 s s s COOLING METHOD : C RECOMMENDED TORQUE VALUE : 0.8M.N MAXIMUM TORQUE VALUE : 1.0M.N Ordering type Marking Package D2PAK TO-220AB TO-247 Weight 1.8g 2g 4.4g Base qty 500 50 30 Delivery mode Tape & Reel Tube Tube STPS40L45CG STPS40L45CG STPS40L45CT STPS40L45CT STPS40L45CW STPS40L45CW s EPOXY MEETS UL94,V0 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 2003 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 6/6 |
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