STPS0540-Y Automotive Schottky rectifier Features Very small conduction losses Negligible switching losses Extremely fast switching ECOPACK 2 compliant component AEC-Q101 qualified SOD-123 STPS0540ZY Description Single Schottky rectifier suited for switch mode power supplies and high frequency DC to DC converters. Table 1. Device summary Packages in SOD-123, these devices is intended Symbol Value for use in low voltage, high frequency inverters, free wheeling and polarity protection for I 0.5 A F(AV) automotive applications. V 40 V RRM V (max) 0.40 V F November 2011 Doc ID 17966 Rev 1 1/7 www.st.com 7Characteristics STPS0540-Y 1 Characteristics Table 2. Absolute ratings (limiting values) Symbol Parameter Value Unit V Repetitive peak reverse voltage 40 V RRM I Forward rms voltage 2 A F(RMS) I Average forward current = 0.5 Ta = 60 C 0.5 A F(AV) I Surge non repetitive forward current t = 10 ms sinusoidal 5.5 A FSM p dV/dt Critical rate of rise of reverse voltage 10000 V/s T Storage temperature range -65 to + 150 C stg (1) T Operating junction temperature -40 to + 150 C j 1 dPtot < 1. condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Thermal resistance Symbol Parameter Value Unit (1) R Junction to ambient 500 C/W th(j-a) 1. Mounted on epoxy board. Table 4. Static electrical characteristics Symbol Parameter Test conditions typ. max. Unit T = 25 C 40 A j (1) I Reverse leakage current V = V R R RRM T = 100 C 1.5 5 mA j T = 25 C 0.50 j I = 0.5 A F T = 100 C 0.35 0.40 j (2) V Forward voltage drop V F T = 25 C 0.55 j I = 1 A F T = 100 C 0.45 0.51 j 1. Pulse test: t = 5 ms, < 2% p 2. Pulse test: t = 380 s, < 2% p To evaluate the conduction losses use the following equation: 2 P = 0.29 x I + 0.22 x I F(AV) F (RMS) 2/7 Doc ID 17966 Rev 1