STPS20L45

® STPS20L45CF/CW/CT/CFP/CG LOW DROP POWER SCHOTTKY RECTIFIER MAJOR PRODUCTS CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS s K A1 K 2 x 10 A 45 V 150°C 0.5 V A1 2 A2 A2 D PAK STPS20L45CG s s s LOW FORWARD VOLTAGE DROP MEANING VERY SMALL CONDUCTION LOSSES LOW SWITCHING LOSSES ALLOWING HIGH FREQUENCY OPERATION INSULATED PACKAGE: ISOWATT220AB, TO-220FPAB Insulating voltage = 2000V DC Capacitance = 12pF AVALANCHE CAPABILITY SPECIFIED A2 A2 K A1 A1 K TO-220AB STPS20L45CT TO-220FPAB STPS20L45CFP DESCRIPTION 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. ABSOLUTE RATINGS (limiting values, per diode) Symbol Parameter VRRM Repetitive peak reverse voltage IF(RMS) RMS forward current IF(AV) Average forward TO-220AB / D2PAK current TO-247 ISOWATT220AB TO-220FPAB IFSM Surge non repetitive forward current IRRM Peak repetitive reverse current IRSM Non repetitive peak reverse current PARM Repetitive peak avalanche power Tstg Storage temperature range Tj Maximum operating junction temperature * dV/dt Critical rate of rise of reverse voltage *: A2 A1 K A2 K A1 ISOWATT220AB STPS20L45CF TO-247 STPS20L45CW Value 45 30 10 Tc = 135°C Per diode 20 δ = 0.5 Per device 10 Tc = 115°C Per diode 20 δ = 0.5 Per device 180 tp = 10 ms Sinusoidal 1 tp=2 µs square F=1kHz 2 tp = 100 µs square 4000 tp = 1µs Tj = 25°C - 65 to + 150 150 10000 Unit V A A A A A A W °C °C V/µs dPtot 1 thermal runaway condition for a diode on its own heatsink < dTj Rth( j − a ) 1/9 July 2003 - Ed: 3C STPS20L45CF/CW/CT/CFP/CG THERMAL RESISTANCES Symbol Rth(j-c) Junction to case Parameter ISOWATT220AB TO-220FPAB TO-247 Per diode Total Coupling Per diode Total Coupling Per diode Total Coupling Value 4.5 3.5 2.5 2.2 1.20 0.3 2.2 1.3 0.3 Unit °C/W Rth(j-c) Junction to case °C/W Rth(j-c) Junction to case TO-220AB D2PAK °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 = 25°C Tj = 125°C Tj = 25°C Tj = 125°C Tj = 25°C Tj = 125°C Pulse test : * tp = 380 µs, δ < 2% Min. Typ. Max. 0.2 Unit mA mA V VR = VRRM 65 IF = 10 A IF = 10 A IF = 20 A IF = 20 A 0.62 0.44 130 0.55 0.5 0.73 0.72 VF * To evaluate the conduction losses use the following equation : P = 0.28 x IF(AV) + 0.022 IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current (per diode). PF(av)(W) 8 7 6 5 4 3 2 1 0 0 2 4 IF(av) (A) 6 8 10 δ=tp/T T Fig. 2: Average forward current versus ambient temperature(δ = 0.5, per diode). 12 11 10 9 8 7 6 5 4 3 2 1 0 IF(av)(A) Rth(j-a)=Rth(j-c) TO-220AB/TO-247 δ = 0.1 δ = 0.05 δ = 0.2 δ = 0.5 ISOWATT220AB Rth(j-a)=15°C/W δ=1 T tp δ=tp/T tp Tamb(°C) 50 75 100 125 150 12 14 0 25 2/9 STPS20L45CF/CW/CT/CFP/CG Fig. 3: Normalized avalanche power derating versus pulse duration. PARM(tp) PARM(1µs) 1 Fig. 4: Normalized avalanche power derating versus junction temperature. PARM(tp) PARM(25°C) 1.2 1 0.1 0.8 0.6 0.01 0.4 0.2 0.001 0.01 0.1 1 tp(µs) 10 100 1000 Tj(°C) 0 0 25 50 75 100 125 150 Fig. 5-1: Non repetitive surge peak forward current versus overload duration (maximum values, per diode, TO-220AB, TO-247, D 2PAK). IM(A) Fig. 5-2: Non repetitive surge peak forward current versus overload duration (maximum values, per diode, ISOWATT220AB, TO-220FPAB). IM(A) 100 90 80 70 60 50 40 30 20 IM 10 0 1E-3 140 120 100 80 60 40 Tc=25°C Tc=75°C Tc=125°C t Tc=25°C Tc=50°C Tc=100°C t IM 20 0 1E-3 δ=0.5 t(s) 1E-2 1E-1 1E+0 δ=0.5 t(s) 1E-2 1E-1 1E+0 Fig. 6-1: Relative variation of thermal impedance junction to case versus pulse duration (TO-220AB, TO-247, D2PAK). Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 0.4 0.2 Single pulse δ = 0.5 Fig. 6-2: Relative variation of thermal impedance junction to case versus pulse duration (ISOWATT220AB, TO-220FPAB). Zth(j-c)/Rth(j-c) 1.0 0.8 0.6 0.4 T δ = 0.5 δ = 0.2 δ = 0.1 δ = 0.2 δ = 0.1 T 0.2 tp(s) 0.0 1E-3 1E-2 1E-1 δ=tp/T tp Single pulse tp(s) δ=tp/T tp 1E+0 0.0 1E-3 1E-2 1E-1 1E+0 1E+1 3/9 STPS20L45CF/CW/CT/CFP/CG Fig. 7: Reverse leakage current versus reverse voltage applied (typical values, per diode). IR(mA) 2E+2 1E+2 1E+1 1E+0 Tj=75°C Fig. 8: Junction capacitance versus reverse voltage applied (typical values, per diode). C(pF) 2000 Tj=150°C F=1MHz Tj=25°C Tj=125°C 1000 1E-1 1E-2 1E-3 0 5 10 Tj=25°C VR(V) 15 20 25 30 35 40 45 VR(V) 100 1 2 5 10 20 50 Fig. 9: Forward voltage drop versus forward current (maximum values) (per diode). Fig. 10: Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuit board FR4, copper thickness: 35µm) (D2PAK). Rth(j-a) (°C/W) 80 100.0 IFM(A) Typical values Tj=150°C 70 60 50 10.0 Tj=125°C Tj=25°C 40 30 20 VFM(V) 1.0 Tj=75°C 10 1.2 1.4 1.6 0.1 0.0 S(Cu) (cm²) 0 4 8 12 16 20 24 28 32 36 40 0.2 0.4 0.6 0.8 1.0 0 4/9 STPS20L40CF/CW/CT PACKAGE MECHANICAL DATA ISOWATT220AB DIMENSIONS REF. A B D E F F1 F2 G G1 H L2 L3 L4 L6 L7 Diam Millimeters Min. Max. 4.40 4.60 2.50 2.70 2.50 2.75 0.40 0.70 0.75 1.00 1.15 1.70 1.15 1.70 4.95 5.20 2.40 2.70 10.00 10.40 16.00 typ. 28.60 30.60 9.80 10.60 15.90 16.40 9.00 9.30 3.00 3.20 Inches Min. Max. 0.173 0.181 0.098 0.106 0.098 0.108 0.016 0.028 0.030 0.039 0.045 0.067 0.045 0.067 0.195 0.205 0.094 0.106 0.394 0.409 0.630 typ. 1.125 1.205 0.386 0.417 0.626 0.646 0.354 0.366 0.118 0.126 s s s Cooling method : C Recommended torque value : 0.55 m.N Maximum torque value : 0.70 m.N 5/9 STPS20L45CF/CW/CT/CFP/CG PACKAGE MECHANICAL DATA TO-220FPAB REF. Min. A B D Dia L6 L2 L3 L5 D F1 L4 F2 L7 DIMENSIONS Millimeters Inches Min. 0.173 0.098 0.098 0.018 0.030 0.045 0.045 0.195 0.094 0.393 1.126 0.386 0.114 0.626 0.354 0.118 Max. 0.181 0.106 0.108 0.027 0.039 0.067 0.067 0.205 0.106 0.409 1.205 0.417 0.142 0.646 0.366 0.126 Max. 4.6 2.7 2.75 0.70 1 1.70 1.70 5.20 2.7 10.4 30.6 10.6 3.6 16.4 9.30 3.20 A H B 4.4 2.5 2.5 0.45 0.75 1.15 1.15 4.95 2.4 10 28.6 9.8 2.9 15.9 9.00 3.00 E F F1 F2 G G1 H L2 L3 E 16 Typ. 0.63 Typ. F G1 G L4 L5 L6 L7 Dia. s s s Cooling method : C Recommended torque value : 0.55 m.N Maximum torque value : 0.70 m.N 6/9 STPS20L45CF/CW/CT/CFP/CG 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 : 0.55 m.N Maximum torque value : 0.70 m.N 7/9 STPS20L45CF/CW/CT/CFP/CG PACKAGE MECHANICAL DATA D2PAK DIMENSIONS Millimeters Inches Min. Max. Min. Max. 4.40 4.60 0.173 0.181 2.49 2.69 0.098 0.106 0.03 0.23 0.001 0.009 0.70 0.93 0.027 0.037 1.14 1.70 0.045 0.067 0.45 0.60 0.017 0.024 1.23 1.36 0.048 0.054 8.95 9.35 0.352 0.368 10.00 10.40 0.393 0.409 4.88 5.28 0.192 0.208 15.00 15.85 0.590 0.624 1.27 1.40 0.050 0.055 1.40 1.75 0.055 0.069 2.40 3.20 0.094 0.126 0.40 typ. 0.016 typ. 0° 8° 0° 8° REF. A E L2 C2 D L L3 A1 B2 B G A2 C R M * V2 * FLAT ZONE NO LESS THAN 2mm A A1 A2 B B2 C C2 D E G L L2 L3 M R V2 FOOTPRINT 16.90 10.30 1.30 5.08 3.70 8.90 8/9 STPS20L45CF/CW/CT/CFP/CG PACKAGE MECHANICAL DATA TO-247 DIMENSIONS V REF. Millimeters Max. 5.15 2.60 0.80 1.40 Inches Min. Typ. Max. 0.191 0.203 0.086 0.102 0.015 0.031 0.039 0.055 0.118 0.078 0.078 0.094 0.118 0.133 0.429 0.608 0.620 0.781 0.793 0.145 0.169 0.728 0.559 0.582 1.362 0.216 0.078 0.118 5° 60° 0.139 0.143 V Dia. H A L5 L L2 L4 F2 F3 V2 F(x3) G = = M E F4 L3 F1 L1 D Min. Typ. A 4.85 D 2.20 E 0.40 F 1.00 F1 3.00 F2 2.00 F3 2.00 F4 3.00 G 10.90 H 15.45 L 19.85 L1 3.70 L2 18.50 L3 14.20 L4 34.60 L5 5.50 M 2.00 V 5° V2 60° Dia. 3.55 2.40 3.40 15.75 20.15 4.30 14.80 3.00 3.65 s s s Cooling method : C Recommended torque value : 0.8m.N Maximum torque value : 1.0m.N Ordering type STPS20L45CF STPS20L45CFP STPS20L45CT STPS20L45CW STPS20L45CG STPS20L45CG-TR Marking STPS20L45CF STPS20L45CFP STPS20L45CT STPS20L45CW STPS20L45CG STPS20L45CG Package ISOWATT220AB TO-220FPAB TO-220AB TO-247 D2PAK D2PAK Weight 2.1g 2g 2g 4.4g 1.48g 1.48g Base qty 50 50 50 30 50 1000 Delivery mode Tube Tube Tube Tube Tube Tape & Reel 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 © 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 9/9