STPS4045CP/CW ® POWER SCHOTTKY RECTIFIERS MAIN PRODUCTS CHARACTERISTICS IF(av) 2 x 20 A VRRM 45 V Tj (max) 175 °C VF (max) 0.63 V A1 K A2 FEATURES AND BENEFITS n n n n n VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING LOW THERMAL RESISTANCE AVALANCHE CAPABILITY SPECIFIED A2 A2 A1 K K A1 SOT-93 STPS4045CP DESCRIPTION TO-247 STPS4045CW Dual center tap Schottky rectifier suited for switchmode power supply and high frequency DC to DC converters. Packaged either in SOT-93 or TO-247 this device is 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) Parameter Repetitive peak reverse voltage Value 45 Unit V RMS forward current 30 A IF(AV) Average forward current Tc = 150°C δ = 0.5 20 40 A IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 220 A IRRM Repetitive Peak reverse current tp = 2 µs square F = 1kHz 1 A IRSM Non repetitive peak reverse current tp = 100 µs square 3 A PARM Repetitive peak avalanche power tp = 1µs 6000 W - 65 to + 175 °C 175 °C 10000 V/µs Tstg Tj dV/dt * : Storage temperature range Per diode Per device Tj = 25°C 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: 4C 1/5 STPS4045CP/CW THERMAL RESISTANCES Symbol Rth (j-c) Junction to case Parameter Rth (c) Per diode total Value 1.5 0.8 Coupling 0.1 Unit °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 Parameter IR * Reverse leakage current Tj = 25°C Forward voltage drop Tj = 125°C IF = 20 A Tj = 25°C IF = 40 A Tj = 125°C IF = 40 A VF * Tests Conditions Min. Typ. Max. Unit 200 µA 11 40 mA 0.56 0.63 V VR = VRRM Tj = 125°C 0.94 0.7 0.83 Pulse test : * tp = 380 µs, δ < 2% To evaluate the conduction losses use the following equation : P = 0.46 x IF(AV) + 0.0085 IF2(RMS) Fig. 1: Average forward power dissipation versus average forward current (per diode). Fig. 2: Average current versus ambient temperature (per diode). PF(av)(W) 18 16 14 12 10 8 6 4 2 0 IF(av)(A) δ = 0.2 δ = 0.5 δ = 0.1 δ = 0.05 δ=1 T IF(av) (A) 0 2/5 2 4 6 8 δ=tp/T tp 10 12 14 16 18 20 22 24 26 22 20 18 16 14 12 10 8 6 4 2 0 Rth(j-a)=Rth(j-c) Rth(j-a)=15°C/W T δ=tp/T 0 25 Tamb(°C) tp 50 75 100 125 150 175 STPS4045CP/CW Fig. 3: Normalized avalanche power derating versus pulse duration. Fig. 4: Normalized avalanche power derating versus junction temperature. PARM(tp) PARM(1µs) 1 PARM(tp) PARM(25°C) 1.2 1 0.1 0.8 0.6 0.4 0.01 0.2 Tj(°C) tp(µs) 0.001 0.01 0.1 1 0 10 100 Fig. 5: Non repetitive surge peak forward current versus overload duration (maximum values) (per diode). IM(A) 200 180 160 140 120 100 80 60 IM 40 20 0 1E-3 0 1000 25 50 75 100 125 150 Fig. 6: Relative variation of thermal transient impedance junction to case versus pulse duration. Zth(j-c)/Rth(j-c) 1.0 0.8 δ = 0.5 0.6 Tc=75°C Tc=100°C 0.4 Tc=125°C T δ = 0.2 0.2 δ = 0.1 t δ=0.5 1E-2 1E-1 1E+0 Fig. 7: Reverse leakage current versus reverse voltage applied (typical values) (per diode). δ=tp/T tp(s) Single pulse t(s) 0.0 1E-4 1E-3 1E-2 1E-1 tp 1E+0 Fig. 8: Junction capacitance versus reverse voltage applied (typical values) (per diode). IR(µA) C(nF) 5E+4 5.0 Tj=150°C 1E+4 Tj=125°C Tj=100°C 1E+3 1.0 Tj=75°C 1E+2 Tj=50°C 1E+1 1E+0 Tj=25°C VR(V) VR(V) 0 5 10 15 20 25 0.1 30 35 40 45 1 2 5 10 20 50 3/5 STPS4045CP/CW Fig. 9: Forward voltage drop versus forward current (maximum values) (per diode). IFM(A) 200 Typical values Tj=125°C 100 Tj=25°C Tj=125°C 10 VFM(V) 1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 PACKAGE MECHANICAL DATA SOT-93 DIMENSIONS REF. A C D D1 E F F3 F4 G H L L2 L3 L5 L6 O 4/5 Millimeters Min. 4.70 1.90 0.50 1.10 10.80 14.70 3.95 4.00 Typ. Max. 4.90 2.10 2.50 2.00 0.78 1.30 1.75 2.10 11.10 15.20 12.20 16.20 18.0 4.15 31.00 4.10 Inches Min. Typ. Max. 1.185 0.193 0.075 0.083 0.098 0.078 0.020 0.031 0.043 0.051 0.069 0.083 0.425 0.437 0.279 0.598 0.480 0.638 0.709 0.156 0.163 1.220 0.157 0.161 STPS4045CP/CW PACKAGE MECHANICAL DATA TO-247 DIMENSIONS REF. V Dia. V A H L5 L L2 L4 F2 F1 L1 F3 V2 F4 D L3 F(x3) M G = n n n n E = A D E F F1 F2 F3 F4 G H L L1 L2 L3 L4 L5 M V V2 Dia. Millimeters Inches Min. Typ. Max. Min. Typ. Max. 4.85 2.20 0.40 1.00 5.16 2.60 0.80 1.40 0.191 0.086 0.015 0.039 0.203 0.102 0.031 0.055 3.00 2.00 1.90 3.00 0.118 0.079 2.40 0.075 3.40 0.118 10.90 15.45 19.85 3.70 18.30 14.20 34.05 5.35 2.00 0.429 16.03 21.09 4.30 19.13 20.30 41.38 6.30 3.00 0.608 0.781 0.146 0.720 0.559 1.341 0.211 0.079 5° 60° 3.55 0.094 0.134 0.631 0.830 0.169 0.753 0.799 1.629 0.248 0.118 5° 60° 3.65 0.140 0.144 Type Marking Package Weight Base qty Delivery mode STPS4045CP STPS4045CP SOT-93 3.97 g. 30 Tube STPS4045CW STPS4045CW TO-247 4.46 g. 30 Tube COOLING METHOD: BY CONDUCTION (C) RECOMMENDED TORQUE VALUE: 0.8 N.M MAXIMUM TORQUE VALUE: 1.0 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 5/5