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 s). 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, = 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 s 26400 W VARM(2) Maximum repetitive peak tp < 1 s, 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 s, 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 A - 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, < 2 % 2. Pulse test: tp = 380 s, < 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 = 0.05 = 0.1 = 0.5 = 0.2 =1 Average forward current versus ambient temperature ( = 0.5) Rth(j-a) = Rth(j-c) 20 14 16 12 10 12 8 8 6 4 T 4 2 = 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(1s) 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(s) 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 = 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 m 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 s and Tj < 150 C) 105.0 Iarm (A) Iarm (Varm) 150 C, 1s 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(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) 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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