STPS1645D ® POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) 16 A VRRM 45 V Tj (max) 175 °C VF (max) 0.57 V A K TO-220AC FEATURES AND BENEFITS Very small conduction losses Negligible switching losses Extremely fast switching ■ ■ ■ DESCRIPTION Single chip Schottky rectifier suited for Switch Mode Power Supply and high frequency DC to DC converters. Packaged in TO-220AC, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 45 V IF(RMS) RMS forward current 30 A 16 A 220 A 1 A 3 A δ = 0.5 IF(AV) Average forward current IFSM Surge non repetitive forward current tp = 10 ms Sinusoidal Repetitive peak reverse current tp = 2 µs square F = 1kHz IRRM IRSM Tstg Tj dV/dt * : Non repetitive peak reverse current tp = 100 µs square Storage temperature range Tc = 155°C - 65 to + 175 °C 175 °C 10000 V/µs 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 ) July 2003 - Ed: 2A 1/4 STPS1645D THERMAL RESISTANCES Symbol Parameter Rth (j-c) Value Unit 1.6 °C/W Junction to case STATIC ELECTRICAL CHARACTERISTICS Symbol Parameter Tests Conditions IR * Reverse leakage current Tj = 25°C Min. Max. Unit 200 µA 11 40 mA 0.5 0.57 V Fig. 2: Average current temperature (δ : 0.5). versus VR = VRRM Tj = 125°C VF * Forward voltage drop Tj = 125°C Typ. IF = 16 A * tp = 380 µs, δ < 2% Pulse test : To evaluate the conduction losses use the following equation : P = 0.42 x IF(AV) + 0.01 IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current. PF(av)(W) IF(av)(A) 12 δ = 0.1 δ = 0.2 δ = 0.05 10 δ = 0.5 8 δ=1 6 4 T 2 δ=tp/T IF(av) (A) 0 0 2 4 6 8 10 12 14 tp 16 18 Fig. 3: Non repetitive surge peak forward current versus overload duration (maximum values). IM(A) 200 180 160 140 120 100 80 60 IM 40 20 0 1E-3 2/4 ambient 18 16 14 12 10 8 6 4 2 0 Rth(j-a)=Rth(j-c) TO-220AC Rth(j-a)=15°C/W T δ=tp/T 0 Tamb(°C) tp 25 50 75 100 125 150 175 Fig. 4: Relative variation of thermal transient impedance junction to case versus pulse duration. Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 δ = 0.5 Tc=75°C Tc=100°C Tc=125°C 0.4 T 0.2 t t(s) δ=0.5 1E-2 δ = 0.2 δ = 0.1 Single pulse 1E-1 1E+0 0.0 1E-4 1E-3 tp(s) 1E-2 δ=tp/T 1E-1 tp 1E+0 STPS1645D Fig. 5: Reverse leakage current versus reverse voltage applied (typical values). Fig. 6: Junction capacitance versus reverse voltage applied (typical values). C(pF) IR(µA) 2000 5E+4 F=1MHz Tj=25°C Tj=150°C 1E+4 Tj=125°C 1000 Tj=100°C 1E+3 Tj=75°C 1E+2 Tj=50°C 1E+1 Tj=25°C 1E+0 500 200 VR(V) VR(V) 0 5 10 15 20 25 30 35 40 45 100 1 2 5 10 20 50 Fig. 7: Forward voltage drop versus forward current (maximum values). IFM(A) 100.0 Typical values Tj=125°C Tj=25°C 10.0 Tj=125°C 1.0 VFM(V) 0.1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 3/4 STPS1645D PACKAGE MECHANICAL DATA TO-220AC REF. A H2 C L5 L7 ØI L6 L2 D L9 F1 L4 M F E G ■ ■ ■ ■ A C D E F F1 G H2 L2 L4 L5 L6 L7 L9 M Diam. I DIMENSIONS Millimeters Inches Min. Max. Min. Max. 4.40 4.60 0.173 0.181 1.23 1.32 0.048 0.051 2.40 2.72 0.094 0.107 0.49 0.70 0.019 0.027 0.61 0.88 0.024 0.034 1.14 1.70 0.044 0.066 4.95 5.15 0.194 0.202 10.00 10.40 0.393 0.409 16.40 typ. 0.645 typ. 13.00 14.00 0.511 0.551 2.65 2.95 0.104 0.116 15.25 15.75 0.600 0.620 6.20 6.60 0.244 0.259 3.50 3.93 0.137 0.154 2.6 typ. 0.102 typ. 3.75 3.85 0.147 0.151 Type Marking Package Weight Base qty Delivery mode STPS1645D STPS1645D TO-220AC 1.86 g 50 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 © 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 4/4