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| (R) STPS1545D/F POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING INSULATED PACKAGE: ISOWATT220AC Insulating voltage = 2000V DC Capacitance = 12pF DESCRIPTION Single chip Schottky rectifier suited for Switch Mode Power Supply and high frequency DC to DC converters. Packaged in TO-220AC or ISOWATT2230AC, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. ABSOLUTE RATINGS (limiting values) Symbol VRRM IF(RMS) IF(AV) Parameter Repetitive peak reverse voltage RMS forward current Average forward current = 0.5 TO-220AC ISOWATT220AC Tc = 155C Tc = 130C 220 1 3 - 65 to + 175 175 10000 A A A C C V/s Value 45 30 15 Unit V A A 15 A 45 V 175 C 0.57 V A K A K TO-220AC STPS1545D ISOWATT220AC STPS1545F IFSM IRRM IRSM Tstg Tj dV/dt *: Surge non repetitive forward current tp = 10 ms Sinusoidal Repetitive peak reverse current tp = 2 s square F = 1kHz Non repetitive peak reverse current tp = 100 s square Storage temperature range Maximum operating junction temperature * Critical rate of rise of reverse voltage dPtot 1 < thermal runaway condition for a diode on its own heatsink Rth(j-a) dTj 1/6 May 1999 - Ed: 3C STPS1545D/F THERMAL RESISTANCES Symbol Rth (j-c) Parameter Junction to case TO-220AC ISOWATT220AC STATIC ELECTRICAL CHARACTERISTICS Symbol IR * Parameter Reverse leakage current Tests Conditions Tj = 25C Tj = 125C VF * Forward voltage drop Tj = 125C Tj = 25C Tj = 125C Pulse test : * tp = 380 s, < 2% Value 1.6 4.0 Unit C/W Min. Typ. Max. 200 Unit A mA V VR = VRRM 11 IF = 15 A IF = 30 A IF = 30 A 0.65 0.5 40 0.57 0.84 0.72 To evaluate the conduction losses use the following equation : P = 0.42 x IF(AV) + 0.01 IF2(RMS) 2/6 STPS1545D/F Fig. 1: Average forward power dissipation versus average forward current. Fig. 2: Average current versus ambient temperature ( : 0.5). PF(av)(W) 12 10 8 6 4 2 IF(av) (A) 0 0 2 4 6 8 10 12 =tp/T tp T IF(av)(A) = 0.1 = 0.05 = 0.2 = 0.5 =1 14 16 18 18 16 14 12 10 8 6 4 2 0 Rth(j-a)=Rth(j-c) TO-220AC ISOWATT220AC Rth(j-a)=15C/W T =tp/T tp Tamb(C) 50 75 100 125 150 175 0 25 Fig. 3-1: Non repetitive surge peak forward current versus overload duration (maximum values) (TO-220AC). Fig. 3-2: Non repetitive surge peak forward current versus overload duration (maximum values) (ISOWATT220AC). IM(A) 200 180 160 140 120 100 80 60 IM 40 20 0 1E-3 IM(A) 120 100 80 Tc=75C Tc=100C Tc=125C 60 40 IM Tc=75C Tc=100C Tc=125C t 20 t(s) 1E-2 1E-1 1E+0 t =0.5 =0.5 t(s) 1E-2 1E-1 1E+0 0 1E-3 Fig. 4-1: Relative variation of thermal transient impedance junction to case versus pulse duration (TO-220AC). Fig. 4-2: Relative variation of thermal transient impedance junction to case versus pulse duration (ISOWATT220AC). Zth(j-c)/Rth(j-c) 1.0 0.8 Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 0.4 T = 0.5 0.6 0.4 = 0.5 0.2 = 0.2 = 0.1 Single pulse 0.2 tp(s) 1E-2 =tp/T tp = 0.2 = 0.1 Single pulse T tp(s) 1E-1 0.0 1E-4 1E-3 1E-1 1E+0 0.0 1E-3 =tp/T tp 1E-2 1E+0 1E+1 3/6 STPS1545D/F Fig. 5: Reverse leakage current versus reverse voltage applied (typical values). Fig. 6: Junction capacitance versus reverse voltage applied (typical values). IR(A) 5E+4 Tj=150C C(pF) 2000 F=1MHz Tj=25C 1E+4 1E+3 Tj=125C 1000 Tj=100C Tj=75C 500 1E+2 1E+1 1E+0 Tj=50C Tj=25C 200 VR(V) 30 35 40 45 VR(V) 0 5 10 15 20 25 100 1 2 5 10 20 50 Fig. 7: Forward voltage drop versus forward current (maximum values). IFM(A) 100.0 Typical values Tj=125C Tj=25C 10.0 Tj=125C 1.0 VFM(V) 0.1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 4/6 STPS1545D/F PACKAGE MECHANICAL DATA TO-220AC DIMENSIONS REF. H2 C L5 OI L6 L2 D L7 A Millimeters Min. Max. 4.60 1.32 2.72 0.70 0.88 1.70 5.15 10.40 14.00 2.95 15.75 6.60 3.93 3.85 4.40 1.23 2.40 0.49 0.61 1.14 4.95 10.00 13.00 2.65 15.25 6.20 3.50 3.75 Inches Min. 0.173 0.048 0.094 0.019 0.024 0.044 0.194 0.393 0.511 0.104 0.600 0.244 0.137 0.147 Max. 0.181 0.051 0.107 0.027 0.034 0.066 0.202 0.409 0.551 0.116 0.620 0.259 0.154 0.151 A C D E F F1 G H2 L2 L9 F1 L4 16.40 typ. 0.645 typ. F G M E L4 L5 L6 L7 L9 M Diam. I 2.6 typ. 0.102 typ. 5/6 STPS1545D/F PACKAGE MECHANICAL DATA ISOWATT220AC A H B DIMENSIONS REF. A B D L7 Millimeters Min. Typ. Max. 4.60 2.70 2.75 0.70 1.00 1.70 5.20 16.00 28.60 15.90 9.00 3.00 30.60 1.125 16.40 0.626 9.30 3.20 0.354 0.118 Min. 0.173 0.098 0.094 0.016 0.030 0.045 0.195 4.40 2.50 2.40 0.40 0.75 1.15 4.95 10.00 Inches Typ. Max. 0.181 0.106 0.108 0.028 0.039 0.067 0.205 0.409 0.630 1.205 0.646 0.366 0.126 L6 L2 L3 Diam E F F1 G H L2 L3 L6 F1 10.40 0.394 F G D E L7 Diam Type STPS1545D STPS1545F Marking STPS1545D STPS1545F Package TO-220AC ISOWATT220AC Weight 1.86 g. 2.9 g. Base qty 50 50 Delivery mode Tube Tube Cooling method: by conduction (C) Recommended torque value: 0.55 N.m. Maximum torque value: 0.7 N.m. 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) 1999 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 6/6 |
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