6 V power Schottky silicon carbide diode Features No or negligible reverse recovery Switching behavior independent of temperature Particularly suitable in PFC boost diode function Description The SiC diode is an ultrahigh performance power Schottky diode. It is manufactured using a silicon carbide substrate. The wide bandgap material TO-22AC allows the design of a Schottky diode structure with a 6 V rating. Due to the Schottky construction no recovery is shown at turn-off and ringing patterns are negligible. The minimal capacitive turn-off behavior is independent of temperature. ST SiC diodes will boost the performance of PFC operations in hard switching conditions. Table 1. Device summary K A I F(AV) 1 A V RRM 6 V T j (max) 175 C Q C (typ) 12 nc May 28 Rev 1 1/7 www.st.com 7
Characteristics 1 Characteristics Table 2. Absolute ratings (limiting values at 25 C unless otherwise specified) Symbol Parameter Value Unit V RRM Repetitive peak reverse voltage 6 V I F(RMS) RMS forward current 18 A I F Continuous forward current T C = 115 C 1 A I FSM Surge non repetitive forward current t p = 1 ms sinusoidal 4 A I FRM Repetitive peak forward current δ =.1, T C = 11 C, T j = 15 C 4 A T stg Storage temperature range -55 to +175 C T j Operating junction temperature -4 to +175 C Table 3. Thermal resistance Symbol Parameter Value Unit R th(j-c) Junction to case 2 C/W Table 4. Static electrical characteristics (per diode) Symbol Parameter Tests conditions Min. Typ Max. Unit I R (1) V F (2) Reverse leakage current 1. t p = 1 ms, δ < 2% 2. t p = 5 µs, δ < 2% Forward voltage drop T j = 25 C 3 3 V R = V RRM T j = 15 C 21 15 T j = 25 C 1.4 1.7 I F = 1 A T j = 15 C 1.6 2.1 To evaluate the conduction losses use the following equation: P = 1.2 x I F(AV) +.9 x I 2 F (RMS) Table 5. Other parameters Symbol Parameter Test conditions Typ Unit Q c Total capacitive charge V r = 4 V, I F = 1 A di F /dt = -2 A/µs T j = 15 C µa V 12 nc C Total capacitance V r = V, T c = 25 C, F = 1 Mhz 65 pf 2/7
Characteristics Figure 1. Forward voltage drop versus forward current (typical values) Figure 2. Reverse leakage current versus reverse voltage applied (maximum values) 2 I FM (A) 1.E+4 I R (µa) 18 16 1.E+3 T j =175 C 14 12 T j =15 C 1.E+2 T j =15 C 1 T j =175 C 8 1.E+1 6 4 2 V FM (V)..5 1. 1.5 2. 2.5 3. 1.E+ 1.E-1 V R (V) 5 1 15 2 25 3 35 4 45 5 55 6 Figure 3. Peak forward current versus case Figure 4. Junction capacitance versus temperature reverse voltage applied (typical values) 7 6 5 4 3 2 1 I M (A) δ=.1 δ=.3 δ=.5 δ=1 δ=.7 T C ( C) δ=tp/t 25 5 75 1 125 15 175 T tp 5 45 4 35 3 25 2 15 1 5 C(pF) V R (V) F=1 MHz V OSC =3 mv RMS 1 1 1 1 3/7
Characteristics Figure 5. Relative variation of thermal impedance junction to case versus pulse duration Figure 6. Non-repetitive peak surge forward current versus pulse duration (sinusoidal waveform, typical values) 1..9.8 Z th(j-c) /R th(j-c) 1.E+3 I FSM (A).7.6.5.4.3 1.E+2 1.E+1 T j =125 C.2.1 Single pulse t p (s) t p (s). 1.E+ 1.E-5 1.E-4 1.E-3 1.E-2 1.E-1 1.E+ 1.E+1 1.E-5 1.E-4 1.E-3 1.E-2 1.E-1 1.E+ Figure 7. Total capacitive charges versus di F /dt (typical values) 18 16 14 12 1 8 6 4 2 Q C (nc) I F =1A V R =4 V Tj=15 C di F /dt(a/µs) 5 1 15 2 25 3 35 4 45 5 4/7
Package information 2 Package information Epoxy meets UL94, V Cooling method: C Recommended torque value:.4 to.6 N m In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at www.st.com. Table 6. TO-22AC Dimensions Dimensions Ref. Millimeters Inches Min. Max. Min. Max. A 4.4 4.6.173.181 C 1.23 1.32.48.51 D 2.4 2.72.94.17 E.49.7.19.27 F.61.88.24.34 L6 F1 1.14 1.7.44.66 L2 G 4.95 5.15.194.22 F1 F H2 Ø I G L5 L9 L4 H2 1. 1.4.393.49 L2 16.4 typ..645 typ. L4 13. 14..511.551 L5 2.65 2.95.14.116 L6 15.25 15.75.6.62 L7 6.2 6.6.244.259 L9 3.5 3.93.137.154 M 2.6 typ..12 typ. Diam. I 3.75 3.85.147.151 C D A M E L7 5/7
Ordering information 3 Ordering information Table 7. Ordering information Order code Marking Package Weight Base qty Delivery mode TO-22AC 1.86 g 5 Tube 4 Revision history Table 8. Document revision history Date Revision Description of changes 5-May-28 1 First issue 6/7
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