STPS4045C

STPS4045C Power Schottky rectifiers Features ● ● ● ● ● ● A1 K A2 Very small conduction losses Negligible switching losses Extremely fast switching Low thermal resistance Avalanche capability specified ECOPACK®2 compliant component (STPS4045CT) A1 K A2 A2 K A1 Description This dual center tap Schottky rectifier is suited for switchmode power supply and high frequency DC to DC converters. Packaged in TO-247 or TO-220AB this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. TO-220AB STPS4045CT TO-247 STPS4045CW Table 1. Device summary Symbol IF(AV) VRRM Tj (max) VF (max) Value 2 x 20 A 45 V 175 °C 0.63 V November 2009 Doc ID 4605 Rev 5 1/8 www.st.com 8 Characteristics STPS4045C 1 Table 2. Symbol VRRM IF(RMS) Characteristics Absolute ratings (limiting values, per diode) Parameter Repetitive peak reverse voltage Forward rms current TO-247 IF(AV) Average forward current TO-220AB IFSM IRRM IRSM PARM Tstg Tj dV/dt Surge non repetitive forward current Repetitive peak reverse current Non repetitive peak reverse current Repetitive peak avalanche power Storage temperature range Maximum operating junction temperature(1) TC = 150 °C, δ = 0.5 TC = 145 °C, δ = 0.5 TC = 145 °C, δ = 0.5 TC = 130 °C, δ = 0.5 tp = 10 ms sinusoidal tp = 2 µs square F=1 kHz tp = 100 µs square tp = 1 µs Tj = 25 °C Per diode Per device Per diode Per device Value 45 30 20 A 40 20 A 40 220 1 3 6000 -65 to + 175 175 10000 A A A W °C °C V/µs Unit V A Critical rate of rise reverse voltage 1. 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Symbol Thermal resistances Parameter TO-247 Per diode Total Per diode Total Value 1.5 0.8 1.8 1.3 0.1 0.8 °C/W Unit Rth (j-c) Junction to case TO-220AB TO-247 Rth (c) Coupling TO-220AB When the diodes 1 and 2 are used simultaneously : ΔTj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) 2/8 Doc ID 4605 Rev 5 STPS4045C Table 4. Symbol IR (1) Characteristics Static electrical characteristics (per diode) Parameter Tests conditions Tj = 25 °C Tj = 125 °C Tj = 25 °C VR = VRRM Min. IF = 20 A IF = 40 A Typ. 11 0.56 0.7 Max. 200 40 0.76 0.63 0.94 0.83 V Unit µA mA Reverse leakage current VF (1) Forward voltage drop Tj = 125 °C Tj = 25 °C Tj = 125 °C 1. Pulse test : tp = 380 µs, δ < 2% To evaluate the conduction losses use the following equation : P = 0.43x IF(AV) + 0.01x IF2(RMS) Figure 1. Average forward power dissipation Figure 2. versus average forward current (per diode) δ=0.5 δ=0.2 δ=1 Average forward current versus ambient temperature (δ = 0.5 per diode) 18 16 14 12 10 8 6 4 2 0 PF(av)(W) 24 22 20 18 16 14 12 10 8 IF(av)(A) Rth(j-a)=Rth(j-c) δ=0.1 δ=0.05 TO -247 TO-220AB T 6 4 T IF(av) (A) 0 2 4 6 8 10 12 14 16 18 δ=tp/T 20 22 tp 2 0 26 δ=tp/T 0 25 tp Tamb(°C) 50 75 100 125 150 175 24 Figure 3. Normalized avalanche power derating versus pulse duration Figure 4. Normalized avalanche power derating versus junction temperature PARM(tp) PARM(1 µs) 1 PARM(Tj) PARM(25 °C) 1.2 1 0.1 0.8 0.6 0.4 0.2 0.01 0.001 0.01 0.1 1 tp(µs) 10 100 1000 Tj(°C) 0 25 50 75 100 125 150 Doc ID 4605 Rev 5 3/8 Characteristics STPS4045C Figure 5. Non repetitive surge peak forward current versus overload duration (maximum values, per diode) Figure 6. Non repetitive surge peak forward current versus overload duration (maximum values, per diode) 220 200 180 160 140 IM(A) 200 IM(A) TO-247 180 160 140 TO-220AB TC=25°C 120 100 80 TC=25°C TC=75°C 120 100 80 60 40 20 0 1.E-03 IM t δ =0.5 TC=75°C TC=125°C 60 40 IM t TC=125°C t(s) 1.E-02 1.E-01 1.E+00 20 0 1.E-03 δ =0.5 t(s) 1.E-02 1.E-01 1.E+00 Figure 7. Relative variation of thermal Figure 8. impedance junction to case versus pulse duration 1.E+05 Reverse leakage current versus reverse voltage applied (typical values, per diode) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 Zth(j-c)/Rth(j-c) IR(µA) Tj=150°C 1.E+04 Tj=125°C 1.E+03 Tj=100°C Tj=75°C 1.E+02 Tj=50°C Single pulse 1.E+01 Tj=25°C tp(s) 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 VR(V) 0 5 10 15 20 25 30 35 40 45 1.E-04 Figure 9. Junction capacitance versus reverse voltage applied (typical values, per diode) Figure 10. Forward voltage drop versus forward current (per diode) IFM(A) C(pF) 10000 F=1MHz VOSC=30mVRMS Tj=25°C 100 90 80 70 60 Tj=125°C (Maximum values) 1000 50 40 30 20 Tj=125°C (Typical values) Tj=25°C (Maximum values) VR(V) 100 1 10 100 10 0 0.0 0.2 0.4 0.6 0.8 1.0 VFM(V) 1.2 1.4 1.6 4/8 Doc ID 4605 Rev 5 STPS4045C Package information 2 Package information ● ● ● ● Epoxy meets UL94,V0 Cooling method: by conduction (C) Recommended torque values: TO-220AB 0.4 to 0.6 N·m, TO-247 0.55 N·m Maximum torque value: TO-247 1.0 N·m In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Table 5. TO-220AB dimensions Dimensions Ref. Millimeters Min. A C H2 Dia L5 L7 L6 L2 F2 F1 L9 L4 F G1 G M E D C A Inches Min. 0.173 0.048 0.094 0.019 0.024 0.044 0.044 0.194 0.094 0.393 Max. 0.181 0.051 0.107 0.027 0.034 0.066 0.066 0.202 0.106 0.409 Max. 4.60 1.32 2.72 0.70 0.88 1.70 1.70 5.15 2.70 10.40 4.40 1.23 2.40 0.49 0.61 1.14 1.14 4.95 2.40 10 D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. 16.4 typ. 13 2.65 15.25 6.20 3.50 14 2.95 15.75 6.60 3.93 0.645 typ. 0.511 0.104 0.600 0.244 0.137 0.551 0.116 0.620 0.259 0.154 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 Doc ID 4605 Rev 5 5/8 Package information Table 6. TO-247 dimensions Dimensions Ref. Millimeters Min. A D V STPS4045C Inches Min. 0.191 0.086 0.015 0.039 0.118 0.079 Typ. Max. 0.203 0.102 0.031 0.055 Typ. Max. 5.16 2.60 0.80 1.40 4.85 2.20 0.40 1.00 3.00 2.00 1.90 3.00 10.90 15.45 19.85 3.70 18.30 14.20 34.05 5.35 2.00 5° 60° 3.55 E V Dia F F1 H A F2 F3 2.40 3.40 0.075 0.118 0.429 0.094 0.134 L5 L L2 L4 F1 L3 V2 F2 F3 F4 M G D L1 F4 G H L L1 L2 E 16.03 0.608 21.09 0.781 4.30 0.146 0.631 0.830 0.169 0.753 0.799 1.629 0.248 0.118 5° 60° 19.13 0.720 20.30 0.559 41.38 1.341 6.30 3.00 0.211 0.079 F(x3) L3 L4 L5 M V V2 Dia. 3.65 0.140 0.144 6/8 Doc ID 4605 Rev 5 STPS4045C Ordering information 3 Ordering information Table 7. Ordering information Marking STPS4045CW STPS4045CT Package TO-247 TO-220AB Weight 4.46 g 1.9 g Base qty. 30 50 Delivery mode Tube Tube Order code STPS4045CW STPS4045CT 4 Revision history Table 8. Date July-2003 09-Nov-2009 Document revision history Revision 4C 5 Previous issue. Added TO-220AB package. Removed SOT-93 package. Changes Doc ID 4605 Rev 5 7/8 STPS4045C Please Read Carefully: Information in this document is provided solely in connection with ST products. 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