STPS80L15CY ® LOW DROP OR-ing POWER SCHOTTKY RECTIFIER PRELIMINARY DATASHEET MAIN PRODUCT CHARACTERISTICS A1 K IF(AV) 2 x 40 A VRRM 15 V Tj (max) 125 °C VF (max) 0.33 V A2 FEATURES AND BENEFITS n n n n n Max247 PACKAGE, DUAL DIODE CONSTRUCTION, 2 x 40A 15V BLOCKING VOLTAGE SUITABLE FOR 5V AND 12V OR-ing EXTREMELY LOW VOLTAGE VOLTAGE DROP: 0.33V @ 100°C OPERATING JUNCTION TEMPERATURE: 125°C AVALANCHE CAPABILITY SPECIFIED A2 K A1 Max247 DESCRIPTION The STPS80L15CY uses proprietary barrier technology to optimize forward voltage drop for OR-ing functions in n-1 fault tolerant Switch Mode Power Supplies. ABSOLUTE RATINGS (limiting values, per diode) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 15 V IF(RMS) RMS forward current 50 A 40 80 A 400 A 2 A 36045 W - 65 to + 150 °C 125 °C 10000 V/µs IF(AV) Average forward current Tc = 110°C δ = 0.5 IFSM Surge non repetitive forward current tp = 10 ms sinusoidal IRRM Repetitive peak reverse current tp = 2 µs F = 1kHz square PARM Repetitive peak avalanche power tp = 1µs Tstg Tj dV/dt Storage temperature range Maximum operating junction temperature Critical rate of rise of reverse voltage July 2003 - Ed: 5B Per diode Per device Tj = 25°C 1/5 STPS80L15CY THERMAL RESISTANCES Symbol Rth (j-c) Parameter Junction to case Rth (c) Value Unit Per diode 0.7 °C/W Total 0.5 Coupling 0.3 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) STATIC ELECTRICAL CHARACTERISTICS (per diode) Symbol Parameter IR * Reverse leakage current Tests conditions Tj = 25°C 280 VR = 12V Tj = 100°C Tj = 25°C Forward voltage drop VR = 15V 0.53 Tj = 25°C IF = 40 A Tj = 100°C IF = 40 A Tj = 25°C IF = 80 A Tj = 100°C IF = 80 A Pulse test :* tp = 380 µs, δ < 2% To evaluate the maximum conduction losses use the following equation : P = 0.20 x IF(AV) + 0.0032 x IF2(RMS) 2/5 Max. Unit 4 mA 400 11 0.44 Tj = 100°C VF * Typ. VR = 5V Tj = 100°C Tj = 25°C Min. 0.30 1.1 A 16 mA 1.3 A 0.42 V 0.33 0.55 0.40 0.46 STPS80L15CY Fig. 1: Average forward power dissipation versus average forward current (per diode). 22 20 18 16 14 12 10 8 6 4 2 0 PF(av)(W) δ = 0.1 δ = 0.2 δ = 0.5 δ = 0.05 δ=1 T IF(av) (A) 0 5 δ=tp/T tp 10 15 20 25 30 35 40 45 50 55 60 Fig. 3: Normalized avalanche power derating versus pulse duration. Fig. 2: Average forward current versus ambient temperature (δ=0.5, per diode). 50 45 40 35 30 25 20 15 10 5 0 IF(av)(A) Rth(j-a)=Rth(j-c) Rth(j-a)=5°C/W T δ=tp/T 0 25 50 75 100 125 Fig. 4: Normalized avalanche power derating versus junction temperature. PARM(tp) PARM(1µs) 1 Tamb(°C) tp 1.2 PARM(tp) PARM(25°C) 1 0.1 0.8 0.6 0.4 0.01 0.2 Tj(°C) tp(µs) 0.001 0.01 0.1 1 0 10 100 Fig. 5: Non repetitive surge peak forward current versus overload duration (maximum values, per diode). 600 50 75 100 125 150 Fig. 6: Relative variation of thermal impedance junction to case versus pulse (per diode). 1.0 500 0.8 400 Tc=25°C 0.6 Tc=50°C 300 0.4 200 δ=0.5 δ=0.2 δ=0.1 Tc=75°C IM t 1E-2 T 0.2 Single pulse t(s) δ=0.5 0 1E-3 25 Zth(j-c)/Rth(j-c) IM(A) 100 0 1000 1E-1 1E+0 0.0 1E-3 δ=tp/T tp(s) 1E-2 1E-1 tp 1E+0 3/5 STPS80L15CY Fig. 7: Reverse leakage current versus reverse voltage applied (typical values, per diode). Fig. 8: Junction capacitance versus reverse voltage applied (typical values, per diode). IR(mA) 10 1E+3 C(nF) F=1MHz Tj=25°C Tj=100°C Tj=75°C 1E+2 5 1E+1 Tj=25°C 2 1E+0 VR(V) VR(V) 1E-1 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Fig. 9: Forward voltage drop versus forward current (per diode). 200 IFM(A) 100 Tj=100°C (typical values) Tj=100°C (Maximum values) 10 Tj=25°C (Maximum values) VFM(V) 1 0.0 4/5 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1 2 5 10 20 STPS80L15CY PACKAGE MECHANICAL DATA Max247 DIMENSIONS REF. E L1 A1 L b1 b2 e Ordering type b Marking STPS80L15CY STPS80L15CY n n Inches Min. Max. Min. Max. A 4.70 5.30 0.185 0.209 A1 2.20 2.60 0.087 0.102 b 1.00 1.40 0.038 0.055 b1 2.00 2.40 0.079 0.094 b2 3.00 3.40 0.118 0.133 c 0.40 0.80 0.016 0.031 D 19.70 10.30 0.776 0.799 e 5.35 5.55 0.211 0.219 E 15.30 15.90 0.602 0.626 L 14.20 15.20 0.559 0.598 L1 3.70 4.30 0.146 0.169 A D Millimeters c Package Weight Base qty Delivery mode Max247 4.4g 30 Tube Cooling method: by conduction (C) Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. 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