STPS20M60 Power Schottky rectifier Features ■ High current capability ■ Avalanche rated ■ Low forward voltage drop ■ High frequency operation A K K Description The STPS20M60D is a single diode Schottky rectifier, suited for high frequency switch mode power supply. A K Packaged in TO-220AC,this device is intended to be used in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. Table 1. TO-220AC STPS20M60D Electrical characteristics(a) Figure 1. Device summary Symbol Value IF(AV) 20 A VRRM 60 V VF (typ) 0.37 V Tj (max) 150 °C 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 11. VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics November 2011 Doc ID 022037 Rev 1 1/7 www.st.com 7 Characteristics 1 STPS20M60 Characteristics Table 2. Absolute ratings (limiting values, at Tamb = 25 °C unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 60 V IF(RMS) Forward rms current 60 A IF(AV) Average forward current, δ = 0.5 Tc = 135 °C 20 A IFSM Surge non repetitive forward current tp = 10 ms sine-wave 400 A PARM(1) Repetitive peak avalanche power Tj = 25 °C, tp = 1 µs 26400 W VARM(2) Maximum repetitive peak avalanche voltage tp < 1 µs, Tj < 150 °C, IAR < 99 A 80 V VASM(2) Maximum repetitive peak avalanche voltage tp < 1 µs, Tj < 150 °C, IAR < 99 A 80 V -65 to +175 °C 150 °C Tstg Tj 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 11 3. 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Thermal parameters Symbol Rth(j-c) 2/7 Parameter Junction to case Doc ID 022037 Rev 1 Value Unit 1.0 °C/W STPS20M60 Table 4. Characteristics Static electrical characteristics Symbol Parameter IR(1) Test conditions Reverse leakage current Tj = 25 °C VR = VRRM Tj = 125 °C Tj = 25 °C VF(2) IF = 10 A Tj = 125 °C Forward voltage drop Tj = 25 °C IF = 20 A Tj = 125 °C Min. Typ. Max. Unit - 30 125 µA - 20 75 mA - 0.470 0.505 - 0.370 0.415 - 0.530 0.580 - 0.460 0.530 V 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 = 0.385 x IF(AV) + 0.0073 x IF2(RMS) Figure 2. 18 Average forward power dissipation Figure 3. versus average forward current PF(AV)(W) IF(AV)(A) 24 16 δ = 0.05 δ = 0.1 δ = 0.2 δ=1 δ = 0.5 Average forward current versus ambient temperature (δ = 0.5) Rth(j-a) = Rth(j-c) 20 14 12 16 10 12 8 6 8 4 T 4 2 δ = tp / T tp IF(AV)(A) 0 0 4 Figure 4. 1 8 12 16 20 24 Normalized avalanche power derating versus pulse duration Tamb(°C) 0 28 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 0.001 0.01 tp(µs) 0.1 1 10 100 1000 0 25 Doc ID 022037 Rev 1 Tj(°C) 50 75 100 125 150 3/7 Characteristics Figure 6. 300 STPS20M60 Non repetitive surge peak forward current versus overload duration (maximum values) IM(A) Figure 7. 1.0 Relative thermal impedance junction to case versus pulse duration Zth(j-c)/Rth(j-c) 0.9 250 0.8 0.7 200 Tc = 25 °C 150 0.6 0.5 Tc = 75 °C 0.4 100 0.3 Tc = 125 °C 50 0.2 IM t(s) 1.E-02 Figure 8. 1.E+02 0.1 t δ = 0.5 0 1.E-03 Single pulse 1.E-01 1.E+00 Reverse leakage current versus reverse voltage applied (typical values) tp(s) 0.0 1.E-04 1.E-03 Figure 9. IR(mA) 10000 Tj = 150 °C 1.E-02 1.E-01 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 1.E+00 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 60 Figure 10. Forward voltage drop versus forward current 1000.0 VR(V) 100 1 10 100 Figure 11. Reverse safe operating area (tp < 1 µs and Tj < 150 °C) IFM(A) 110.0 Iarm (A) Iarm (Varm) 150 °C, 1µs 100.0 10.0 100.0 Tj = 125 °C (Maximum values) 90.0 Tj = 125 °C (Typical values) 80.0 Tj = 25 °C (Maximum values) 70.0 60.0 1.0 50.0 0.1 0.0 4/7 VFM(V) 0.2 0.4 0.6 0.8 1.0 1.2 Varm (V) 40.0 1.4 Doc ID 022037 Rev 1 80 85 90 95 100 105 110 115 120 STPS20M60 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-220AC dimensions Dimensions Ref. A H2 ØI C L5 L7 L6 L2 F1 D L9 F M E G 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 G 4.95 5.15 0.194 0.202 H2 10.00 10.40 0.393 0.409 16.40 typ. 0.645 typ. L4 13.00 14.00 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 M Diam. I Doc ID 022037 Rev 1 Inches Min. L2 L4 Millimeters 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 5/7 Ordering information 3 STPS20M60 Ordering information Table 6. Ordering information Order code STPS20M60D 4 STPS20M60D Package Weight TO-220AC 1.86 g Base qty Delivery mode Revision history Table 7. 6/7 Marking Revision history Date Revision 02-Nov-2011 1 Changes First issue. Doc ID 022037 Rev 1 50 Tube STPS20M60 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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