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| (R) STPS40L15CW/CT LOW DROP OR-ing POWER SCHOTTKY DIODE MAJOR PRODUCT CHARACTERISTICS A1 IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS n 2 x 20 A 15 V 125C 0.33 V A2 K n n VERY LOW FORWARD VOLTAGE DROP FOR LESS POWER DISSIPATION AND REDUCED HEATSINK SIZE REVERSE VOLTAGE SUITED TO OR-ing OF 3V, 5V and 12V RAILS AVALANCHE CAPABILITY SPECIFIED A1 K A2 A2 K A1 DESCRIPTION Dual center tap schottky rectifier packaged in TO-220AB and TO-247, this device is especially intended for use as OR-ing diode in fault tolerant power supply equipments. TO-220AB STPS40L15CT TO-247 STPS40L15CW ABSOLUTE RATINGS (limiting values, per diode) Symbol VRRM IF(RMS) IF(AV) IFSM IRRM IRSM PARM Tstg Tj dV/dt *: Parameter Repetitive peak reverse voltage RMS forward current Average forward current Tcase = 140C =1 Total Per diode Value 15 30 40 20 310 2 3 13140 - 65 to + 150 125 10000 A A A W C C V/s Unit V A A Surge non repetitive forward current Peak repetitive reverse current Non repetitive peak reverse current Repetitive peak avalanche power Storage temperature range tp = 10 ms Sinusoidal tp = 2 s F = 1kHz tp = 100 s tp = 1s Tj = 25C Maximum operating junction temperature * Critical rate of rise of reverse voltage dPtot 1 thermal runaway condition for a diode on its own heatsink < dTj Rth( j - a ) 1/5 July 2003 - Ed: 5A STPS40L15CW/CT THERMAL RESISTANCES Symbol Rth(j-c) Rth (c) Parameter Junction to case Per diode Total Coupling Value 1.6 0.85 0.1 Unit C/W C/W STATIC ELECTRICAL CHARACTERISTICS (Per diode) Symbol IR * VF * Parameter Reverse leakage current Forward voltage drop Tests Conditions Tj = 25C Tj = 100C Tj = 25C Tj = 25C Tj = 125C Tj = 125C Pulse test : * tp = 380 s, < 2% Min. Typ. 200 VR = VRRM IF = 19 A IF = 40 A IF = 19 A IF = 40 A 0.28 0.42 Max. 6 500 0.41 0.52 0.33 0.50 Unit mA V To evaluate the conduction losses use the following equation : P = 0.18 x IF(AV) + 0.008 IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current (per diode). 8 7 6 5 4 3 2 1 0 IF(av) (A) 0 2 4 6 8 10 12 14 16 =tp/T T Fig. 2: Average forward current versus ambient temperature (=1, per diode). IF(av)(A) 22 20 18 16 14 12 10 8 6 4 2 0 Rth(j-a)=Rth(j-c) PF(av)(W) = 0.1 = 0.05 = 0.2 = 0.5 =1 Rth(j-a)=15C/W T tp =tp/T tp Tamb(C) 50 75 100 125 150 18 20 22 0 25 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) 0 10 100 1000 Tj(C) 0 25 50 75 100 125 150 2/5 STPS40L15CW/CT Fig. 5: Non repetitive surge peak forward current versus overload duration (maximum values per diode). IM(A) 250 200 150 Tc=50C Fig. 6: Relative variation of thermal impedance junction to case versus pulse duration (per diode). Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 = 0.5 100 IM Tc=75C Tc=110C t 0.4 0.2 = 0.2 = 0.1 T 50 0 1E-3 =0.5 t(s) Single pulse tp (s) 1E-1 1E+0 =tp/T tp 1E-2 0.0 1.0E-4 1.0E-3 1.0E-2 1.0E-1 1.0E+0 Fig. 7: Reverse leakage current versus reverse voltage applied (typical values per diode). 5E+2 1E+2 IR(mA) Fig. 8: Junction capacitance versus reverse voltage applied (typical values per diode). C(nF) 5.0 Tj=100C F=1MHz Tj=25C 1E+1 1.0 1E+0 Tj=25C 1E-1 VR(V) 0 2 4 6 8 10 12 14 16 VR(V) 0.1 1 2 5 10 20 Fig. 9: Forward voltage drop versus forward current (typical values per diode). IFM(A) 200.0 100.0 Tj=150C Fig. 10: Forward voltage drop versus forward current (typical maximum per diode). 200 100 IFM(A) Tj=100C 10.0 Tj=125C Tj=75C Tj=25C 10 1.0 VFM(V) 0.1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1 VFM(V) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 3/5 STPS40L15CW/CT 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. n n n Cooling method: C Recommended torque value: 0.55 m.N Maximum torque value: 0.70 m.N 4/5 STPS40L15CW/CT PACKAGE MECHANICAL DATA TO-247 DIMENSIONS V REF. Millimeters Inches 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 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 n n n Cooling method: C Recommended torque value: 0.8 m.N Maximum torque value: 1.0 m.N Ordering type Marking Package TO-247 TO-220AB Weight 4.4 g. 2g Base qty 30 50 Delivery mode Tube Tube STPS40L15CW STPS40L15CW STPS40L15CT STPS40L15CT n 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 5/5 |
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