STPS30120C Power Schottky rectifier Feature A1 K ■ High junction temperature capability ■ Avalanche rated ■ Low leakage current ■ Good trade-off between leakage current and forward voltage drop A2 K K A1 Description Dual center tap Schottky rectifier suited for high frequency switch mode power supply. Packaged in TO-220AB and I2PAK, this device is intended to be used in notebook and LCD adaptors, desktop SMPS, providing in these applications a margin between the remaining voltages applied on the diode and the voltage capability of the diode. K A2 A1 K A2 I2PAK STPS30120CR TO-220AB STPS30120CT 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 Table 1. Device summary Symbol Value IF(AV) 2 x 15 A VRRM 120 V Tj(max) 175 °C VF(typ) 0.57 V 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. February 2010 Doc ID 11213 Rev 3 1/8 www.st.com 8 Characteristics 1 STPS30120C Characteristics Table 2. Absolute ratings (limiting values, per diode) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 120 V IF(RMS) Forward rms current 30 A Per diode Per device 15 30 A δ = 0.5 Tc = 145 °C IF(AV) Average forward current IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 180 A PARM Repetitive peak avalanche power tp = 1 µs Tj = 25 °C 6700 W VARM(1) Maximum repetitive t = 1 µs, Tj < 150 °C, IAR < 13.4 A peak avalanche voltage p 150 V VASM(1) Maximum single pulse t = 1 µs, Tj < 150 °C, IAR < 13.4 A peak avalanche voltage p 150 V -65 to + 175 °C 175 °C Value Unit Tstg Tj Storage temperature range Maximum operating junction temperature(2) 1. Refer to Figure 11 2. 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Thermal parameters Symbol Parameter Rth(j-c) Junction to case Per diode Total 2.2 1.3 °C/W Rth(c) Coupling Total 0.3 °C/W When the diodes 1 and 2 are used simultaneously : Tj(diode 1) = P(diode 1) x Rth(j-c)(per diode) + P(diode 2) x Rth(c) 2/8 Doc ID 11213 Rev 3 STPS30120C Table 4. Characteristics Static electrical characteristics (per diode) Symbol Test conditions IR(1) Min. Tj = 25 °C Reverse leakage current VR = VRRM Tj = 125 °C Tj = 25 °C Max. Unit 15 µA 7.5 mA 0.74 0.57 0.61 0.92 Tj = 25 °C Forward voltage drop 2.5 IF = 5 A Tj = 125 °C VF(2) Typ. IF = 15 A Tj = 125 °C Tj = 25 °C V 0.7 0.74 1.02 IF = 30 A Tj = 125 °C 0.83 0.89 1. Pulse test : tp = 5 ms, δ < 2% 2. Pulse test : tp = 380 μs, δ < 2% To evaluate the maximum conduction losses use the following equation : P = 0.59 x IF(AV) + 0.01 IF2(RMS) Figure 2. Average forward power Figure 3. dissipation versus average forward current (per diode) Average forward current versus ambient temperature (δ = 0.5, per diode) IF(AV)(A) PF(AV)(W) 18 15 14 δ = 0.05 13 δ = 0.1 δ = 0.2 δ = 0.5 16 12 Rth(j-a)=Rth(j-c) 14 11 δ=1 10 12 9 8 10 7 8 Rth(j-a)=15°C/W 6 5 6 4 T 3 2 IF(AV)(A) 1 δ=tp/T 0 0 2 Figure 4. 1 4 6 8 T 4 2 10 12 14 δ=tp/T tp 0 16 18 Normalized avalanche power derating versus pulse duration 0 25 Figure 5. PARM(tp) PARM(1µs) 1.2 Tamb(°C) tp 50 75 100 125 150 175 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 11213 Rev 3 Tj(°C) 50 75 100 125 150 3/8 Characteristics Figure 6. STPS30120C Non repetitive surge peak forward current versus overload duration (maximum values, per diode) Figure 7. Relative variation of thermal impedance junction to ambient versus pulse duration Zth(j-c)/Rth(j-c) IM(A) 180 1.0 160 0.9 140 0.8 0.7 120 0.6 100 Tc=25°C 80 Tc=75°C δ = 0.5 0.5 0.4 60 0.3 40 Tc=125°C IM 0.2 δ = 0.2 T δ = 0.1 Single pulse 20 t 0.1 t(s) δ=0.5 δ=tp/T tp(s) tp 0.0 0 1.E-03 1.E-02 Figure 8. 1.E-01 1.E+00 Reverse leakage current versus reverse voltage applied (typical values, per diode) 1.E-03 Figure 9. IR(mA) 1.E-02 1.E-01 1.E+00 Junction capacitance versus reverse voltage applied (typical values, per diode) C(pF) 1.E+02 1000 1.E+01 F=1MHz VOSC=30mVRMS Tj=25°C Tj=150°C 1.E+00 Tj=125°C Tj=100°C 1.E-01 100 Tj=75°C 1.E-02 Tj=50°C 1.E-03 Tj=25°C 1.E-04 VR(V) VR(V) 1.E-05 0 10 20 30 40 50 60 10 70 80 90 100 110 1 120 Figure 10. Forward voltage drop versus forward current (per diode) 10 100 Figure 11. Reverse safe operating area (tp < 1 µs and Tj < 150 °C) IFM(A) 18 100 Iarm (A) 17 Tj=125°C (maximum values) 16 Tj=125°C (typical values) Tj=25°C (maximum values) 15 10 14 13 12 VFM(V) 1 0.0 4/8 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 11 120 Doc ID 11213 Rev 3 Varm (V) 130 140 150 160 170 STPS30120C 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 C L5 L7 L6 L2 F2 D L9 L4 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 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 Diam. Doc ID 11213 Rev 3 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 5/8 Package information Table 6. STPS30120C I2PAK dimensions Dimensions Ref. A E c2 L2 D L1 A1 b1 L b c e e1 6/8 Doc ID 11213 Rev 3 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 STPS30120C 3 Ordering information Ordering information Table 7. Ordering information Order code Marking Package Weight Base qty Delivery mode STPS30120CT STPS30120CT TO-220AB 2.23 g 50 Tube 1.49 g 50 Tube STPS30120CR 4 2 STPS30120CR I PAK Revision history Table 8. Document revision history Date Revision Changes 18-Feb-2005 1 First issue. 23-Nov-2006 2 Reformatted to current standards. Added I2PAK package. 17-Feb-2010 3 Updated Table 2. Added Figure 1 and Figure 11. Doc ID 11213 Rev 3 7/8 STPS30120C Please Read Carefully: Information in this document is provided solely in connection with ST products. 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