STPS61L60C Power Schottky rectifier Features A1 High current capability Avalanche rated Low forward voltage drop current High frequency operation K A2 K Description This dual center tap schottky rectifier is suited for high frequency switch mode power supplies. A2 A2 K K A1 A1 Packaged in TO-247 and TO-220AB, this device provides desktop SMPS designers with a low forward voltage drop device, and reduced leakage current, with the objective of making the application compliant with environmental care standards, or suitable for 80+ requirements. Table 1. Electrical characteristics (a) Figure 1. Device summary TO-220AB STPS61L60CT TO-247 STPS61L60CW IF(AV) 2 x 30 A V VRRM 60 V I Tj (max) 150 C VF(typ) 0.560 V I "Forward" 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 June 2010 Doc ID 15641 Rev 2 1/9 www.st.com 9 Characteristics STPS61L60C 1 Characteristics Table 2. Absolute ratings (limiting values per diode at 25 C unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 60 V IF(RMS) Forward rms voltage 50 A Per diode Per device 30 60 A T0-247 T0-220AB 530 400 A 11500 W Tc = 125 C Tc = 120 C IF(AV) Average forward current = 0.5 IFSM Surge non repetitive forward current tp = 10 ms sinusoidal PARM Repetitive peak avalanche power tp = 1 s Tj = 25 C VARM (1) Maximum repetitive peak avalanche tp < 1 s Tj < 150 C, IAR < 43 A voltage 80 V VASM (1) Maximum single pulse peak avalanche voltage 80 V Tstg Storage temperature range -65 to + 175 C 150 C Value Unit Tj tp < 1 s Tj < 150 C, IAR < 43 A Maximum operating junction temperature (2) 1. Refer to Figure 12 1 dPtot < condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj 2. Table 3. Thermal resistances Symbol Rth(j-c) Rth(c) Parameter TO-247 Per diode Total 0.95 0.6 TO-220AB Per diode Total 1.1 0.7 TO-247 0.25 TO-220AB 0.3 Junction to case Coupling When the diodes 1 and 2 are used simultaneously : Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c). 2/9 Doc ID 15641 Rev 2 C/W STPS61L60C Table 4. Characteristics Static electrical characteristics (per diode) Symbol IR(1) VF(2) Parameter Test conditions Tj = 25 C Reverse leakage current Typ. Max. - - 0.8 - 150 350 VR = VRRM Tj = 125 C Forward voltage drop Min. Tj = 25 C IF = 5 A - 0.360 - Tj = 125 C IF = 5 A - 0.255 - Tj = 25 C IF = 15 A - 0.460 0.540 Tj = 125 C IF = 15 A - 0.415 0.480 Tj = 25 C IF = 30 A - 0.580 0.660 Tj = 125 C IF = 30 A - 0.560 0.620 Unit mA V 1. Pulse test: tp = 5 ms, < 2% 2. Pulse test: tp = 380 s, < 2% To evaluate the conduction losses use the following equation: P = 0.44 x IF(AV) + 0.006 x IF2(RMS) Figure 2. Average forward power dissipation Figure 3. vs. average forward current (per diode) PF(av)(W) IF(av)(A) 35 30 =1 =0.5 Rth(j-a)=Rth(j-c) =0.2 25 Average forward current vs. ambient temperature ( = 0.5, per diode) 30 =0.1 20 TO-220AB 25 =0.05 TO-247 20 15 15 Rth(j-a)=15 C/W 10 10 T T 5 5 IF(av) (A) =tp/T =tp/T tp tp Tamb(C) 0 0 0 5 Figure 4. 10 15 20 25 30 35 0 40 Normalized avalanche power derating vs. pulse duration Figure 5. PARM(tp) PARM(1s) 1 1.2 25 50 75 100 125 150 Normalized avalanche power derating vs. 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 1 Tj(C) 0 10 100 1000 25 Doc ID 15641 Rev 2 50 75 100 125 150 3/9 Characteristics Figure 6. 350 STPS61L60C Non repetitive surge peak forward current vs. overload duration (max. values, per diode, TO-247) Figure 7. Non repetitive surge peak forward current vs. overload duration (max. values, per diode, TO-220AB) IM(A) IM(A) 350 300 300 250 250 200 Tc=25 C 200 150 Tc=75 C 150 Tc=25 C 100 100 Tc=125 C Tc=125 C IM 50 IM 50 t =0.5 0 1.E-03 Figure 8. Tc=75 C 1.E-02 t(s) t t(s) =0.5 1.E-01 1.E+00 Relative variation of thermal impedance junction to case vs. pulse duration 0 1.E-03 1.E-02 Figure 9. Zth(j-c)/Rth(j-c) 1.E+03 1.0 1.E-01 1.E+00 Reverse leakage current vs. reverse voltage applied (typical values, per diode) IR(mA) Tj=150 C 0.9 Tj=125 C 1.E+02 0.8 0.7 Tj=100 C 1.E+01 0.6 Tj=75 C 0.5 0.3 Tj=50 C 1.E+00 0.4 Single pulse Tj=25 C 0.2 1.E-01 tp(s) 0.1 VR(V) 0.0 1.E-02 1.E-03 1.E-02 1.E-01 1.E+00 Figure 10. Junction capacitance vs. reverse voltage applied (typical values, per diode) C(pF) 0 10 15 20 25 30 35 40 50 55 60 IFM(A) TJ=125 C Maximum values F=1 MHz Vosc=30 mVRMS Tj=25 C TJ=125 C Typical values TJ=25 C Maximum values 10 1000 VFM(V) VR(V) 100 1 1 4/9 45 Figure 11. Forward voltage drop vs. forward current (per diode) 100 10000 5 10 100 0.0 0.1 Doc ID 15641 Rev 2 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 STPS61L60C Characteristics Figure 12. Reverse safe operating area (tp < 1 s and Tj < 150 C) Iarm (A) 60 55 Forbidden area 50 45 40 35 Operating area 30 Varm (V) 25 20 60 65 70 75 80 85 Doc ID 15641 Rev 2 90 95 100 5/9 Package information 2 STPS61L60C Package information Epoxy meets UL94, V0 Cooling method: conduction Torque value: - TO-247 - 0.55 N*m recommended, 1.0 N*m maximum - TO-220AB - 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-247 dimensions Dimensions Ref. Heat-sink plane A E P S Millimeters Inches Min. Max. Min. Max. A 4.85 5.15 0.191 0.203 A1 2.20 2.60 0.086 0.102 b 1.00 1.40 0.039 0.055 b1 2.00 2.40 0.078 0.094 b2 3.00 3.40 0.118 0.133 c R 0.40 0.80 0.015 0.031 (1) 19.85 20.15 0.781 0.793 E 15.45 15.75 0.608 0.620 D D L2 L1 b1 L e b2 1 2 3 b c A1 3 2 1 BACK VIEW e 14.20 14.80 0.559 0.582 L1 3.70 4.30 0.145 0.169 (2) P R S 1. Dimension D plus gate protrusion does not exceed 20.5 mm 2. Resin thickness around the mounting hole is not less than 0.9 mm Doc ID 15641 Rev 2 0.215 typ. L L2 6/9 5.45 typ. 18.50 typ. 0.728 typ. 3.55 3.65 0.139 0.143 4.50 5.50 0.177 0.217 5.50 typ. 0.216 typ. STPS61L60C Package information Table 6. 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 Diam. Doc ID 15641 Rev 2 2.6 typ. 3.75 3.85 0.102 typ. 0.147 0.151 7/9 Ordering information 3 Ordering information Table 7. 4 Ordering information Order code Marking Package Weight STPS61L60CW STPS61L60CW TO-247 4.4 g 30 Tube STPS61L60CT STPS61L60CT TO-220AB 2.23 g 30 Tube Base qty Delivery mode Revision history Table 8. 8/9 STPS61L60C Document revision history Date Revision Changes 18-May-2009 1 Initial release. 29-Jun-2010 2 Added Figure 1 and Figure 12. Added parameters VARM and VASM to Table 2. Updated Table 5. 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