STPS20M60S Power Schottky rectifier Features ■ A K High current capability A ■ Avalanche rated ■ Low forward voltage drop ■ High frequency operation K K A Description A The STPS20M60S is a single Schottky diode, suited for high frequency switch mode power supply. 2 A K A D2PAK STPS20M60SG-TR I2PAK STPS20M60SR K 2 Packaged in TO-220AB, I PAK and D PAK, this device is intended to be used in notebook, game station and desktop adapters, providing in these aplications a good efficiency at both low and high load. Table 1. A A K TO-220AB STPS20M60ST Device summary Symbol Value IF(AV) 20 A VRRM 60 V VF (typ) 0.365 V Tj (max) 150 °C Electrical characteristics(a) Figure 1. I V "Forward" I 2 x IO X IF VRRM VR VAR IO X V IR VTo VF(Io) VF VF(2xIo) "Reverse" IAR a. VARM and IARM must respect the reverse safe operating area defined in Figure 12. VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics October 2011 Doc ID 019045 Rev 1 1/9 www.st.com 9 Characteristics 1 STPS20M60S Characteristics Table 2. Absolute ratings (limiting values with terminals 1 and 3 short circuited at Tamb = 25 °C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 60 V IF(RMS) Forward rms current 90 A IF(AV) Average forward current, δ = 0.5 Tc = 135 °C Per package 20 A IFSM Surge non repetitive forward current tp = 10 ms sine-wave 600 A PARM(1) Repetitive peak avalanche power Tj = 25 °C, tp = 1 µs 26400 W VARM(2) Maximum repetitive peak tp < 1 µs, Tj < 150 °C, IAR < 99 A avalanche voltage 80 V VASM(2) Maximum single-pulse peak avalanche voltage 80 V -65 to +175 °C 150 °C Tstg Tj tp < 1 µs, Tj < 150 °C, IAR < 99 A Storage temperature range Maximum operating junction temperature(3) 1. For temperature or pulse time duration deratings, please refer to Figure 4 and 5. More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025. 2. See Figure 12 3. 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Thermal resistance Symbol Rth(j-c) Table 4. Symbol IR(1) Parameter Junction to case Parameter Reverse leakage current Test conditions Tj = 25 °C Tj = 125 °C Forward voltage drop Tj = 125 °C Tj = 25 °C Tj = 125 °C 1.0 °C/W VR = VRRM IF = 10 A IF = 20 A Min. Typ. Max. Unit - 30 125 µA - 20 75 mA - 0.465 0.500 - 0.365 0.405 - 0.520 0.565 - 0.450 0.505 1. Pulse test: tp = 5 ms, δ < 2 % 2. Pulse test: tp = 380 µs, δ < 2 % To evaluate the conduction losses use the following equation: P = 0.380 x IF(AV) + 0.0063 x IF2(RMS) 2/9 Unit Static electrical characteristics (terminals 1 and 3 short circuited) Tj = 25 °C VF(2) Value Doc ID 019045 Rev 1 V STPS20M60S Figure 2. Characteristics Average forward power dissipation Figure 3. versus average forward current PF(AV)(W) 18 IF(AV)(A) 24 16 δ = 0.05 δ = 0.1 δ = 0.5 δ = 0.2 δ=1 Average forward current versus ambient temperature (δ = 0.5) Rth(j-a) = Rth(j-c) 20 14 16 12 10 12 8 8 6 4 T 4 2 δ = tp / T tp IF(AV)(A) 0 0 4 8 Figure 4. 1 12 16 20 24 0 28 Normalized avalanche power derating versus pulse duration Tamb(°C) 0 25 Figure 5. PARM(tp) PARM(1µs) 1.2 50 75 100 125 150 Normalized avalanche power derating versus junction temperature PARM(Tj) PARM(25 °C) 1 0.1 0.8 0.6 0.4 0.01 0.2 tp(µs) 0.001 0.01 0.1 Figure 6. 350 1 10 1000 100 Non repetitive surge peak forward current versus overload duration (maximum values) IM(A) Tj(°C) 0 25 50 Figure 7. 1.0 75 100 150 125 Relative variation of thermal impedance junction to case versus pulse duration Zth(j-c)/Rth(j-c) 0.9 300 0.8 250 0.7 0.6 200 Tc = 25 °C 150 Tc = 75 °C 0.4 0.3 100 50 0.5 Tc = 125 °C IM t δ = 0.5 Single pulse 0.1 t(s) 0 1.E-03 0.2 1.E-02 1.E-01 1.E+00 0.0 1.E-04 Doc ID 019045 Rev 1 tp(s) 1.E-03 1.E-02 1.E-01 1.E+00 3/9 Characteristics Figure 8. 1.E+02 STPS20M60S Reverse leakage current versus reverse voltage applied (typical values) Figure 9. IR(mA) 10000 Tj = 150 °C Junction capacitance versus reverse voltage applied (typical values) C(pF) F = 1 MHz Vosc = 30 mVRMS Tj = 25 °C Tj = 125 °C 1.E+01 Tj = 100 °C 1.E+00 Tj = 75 °C 1.E-01 1000 Tj = 50 °C Tj = 25 °C 1.E-02 VR(V) 1.E-03 0 10 20 30 40 50 1 60 Figure 10. Forward voltage drop versus forward current 1000.0 VR(V) 100 10 100 Figure 11. Thermal resistance junction to ambient versus copper surface under tab IFM(A) 80 Rth(j-a)(°C/W) epoxy printed board copper thickness = 35 µm Tj = 125 °C (Maximum values) 100.0 70 2 60 Tj = 125 °C (Typical values) D PAK 50 10.0 40 Tj = 25 °C (Maximum values) 30 1.0 20 10 0.1 0.0 2 VFM(V) 0.2 0.4 0.6 0.8 1.0 SCu(cm ) 0 1.2 0 5 10 15 Figure 12. Reverse safe operating area (tp < 1 µs and Tj < 150 °C) 105.0 Iarm (A) Iarm (Varm) 150 °C, 1µs 100.0 95.0 90.0 85.0 80.0 75.0 70.0 65.0 Varm (V) 60.0 80 4/9 85 90 95 100 105 110 Doc ID 019045 Rev 1 115 120 20 25 30 35 40 STPS20M60S 2 Package information Package information ● Epoxy meets UL94, V0 ● Cooling method: by conduction (C) ● Recommended torque value: 0.4 to 0.6 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. Dia Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 C 1.23 1.32 0.048 0.051 D 2.40 2.72 0.094 0.107 E 0.49 0.70 0.019 0.027 F 0.61 0.88 0.024 0.034 F1 1.14 1.70 0.044 0.066 F2 1.14 1.70 0.044 0.066 G 4.95 5.15 0.194 0.202 G1 2.40 2.70 0.094 0.106 H2 10 10.40 0.393 0.409 C L5 L7 L6 L2 F2 D L9 L4 L2 F M G1 Inches A H2 F1 Millimeters 16.4 Typ. 0.645 Typ. L4 13 14 0.511 0.551 L5 2.65 2.95 0.104 0.116 L6 15.25 15.75 0.600 0.620 L7 6.20 6.60 0.244 0.259 L9 3.50 3.93 0.137 0.154 E G M Dia. Doc ID 019045 Rev 1 2.6 Typ. 3.75 3.85 0.102 Typ. 0.147 0.151 5/9 Package information Table 6. STPS20M60S D2PAK dimensions Dimensions Ref. Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 A1 2.49 2.69 0.098 0.106 A2 0.03 0.23 0.001 0.009 B 0.70 0.93 0.027 0.037 B2 1.14 1.70 0.045 0.067 C 0.45 0.60 0.017 0.024 C2 1.23 1.36 0.048 0.054 D 8.95 9.35 0.352 0.368 E 10.00 10.40 0.393 0.409 G 4.88 5.28 0.192 0.208 L 15.00 15.85 0.590 0.624 L2 1.27 1.40 0.050 0.055 L3 1.40 1.75 0.055 0.069 M 2.40 3.20 0.094 0.126 A E C2 L2 D L L3 A1 B2 R C B G A2 M * V2 * FLAT ZONE NO LESS THAN 2mm R 0.40 typ. V2 0° 0.016 typ. 8° Figure 13. D2PAK footprint (dimensions in mm) 16.90 10.30 5.08 1.30 8.90 6/9 Doc ID 019045 Rev 1 3.70 0° 8° STPS20M60S Package information Table 7. I2PAK dimensions Dimensions Ref. Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 A1 2.40 2.72 0.094 0.107 b 0.61 0.88 0.024 0.035 b1 1.14 1.70 0.044 0.067 c 0.49 0.70 0.019 0.028 c2 1.23 1.32 0.048 0.052 D 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 E 10 10.40 0.394 0.409 L 13 14 0.512 0.551 L1 3.50 3.93 0.138 0.155 L2 1.27 1.40 0.050 0.055 A E c2 L2 D L1 A1 b1 L b c e e1 Doc ID 019045 Rev 1 7/9 Ordering information 3 STPS20M60S Ordering information Table 8. Ordering information Order code STPS20M60ST STPS20M60SR STPS20M60SG-TR 4 STPS20M60ST STPS20M60SR STPS20M60SG Package Weight TO-220AB Base qty Delivery mode 2.2 g 50 Tube 2 1.49 g 50 Tube 2 1.48 g 1000 Tape and reel I PAK D PAK Revision history Table 9. 8/9 Marking Revision history Date Revision 11-Oct-2011 1 Changes Initial release Doc ID 019045 Rev 1 STPS20M60S Please Read Carefully: Information in this document is provided solely in connection with ST products. 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