STPS1045SF Datasheet 45 V power Schottky rectifier Features Low profile design package height of 1.1 mm typ. Wettable flanks for automatic visual inspection High junction temperature capability Low Leakage current Avalanche capability ECOPACK 2 compliant Applications Set-top box Battery charger DC / DC converter Description This 45 V Schottky barrier rectifier has been optimized for use in high frequency miniature DC/DC converters, reverse battery protection, battery chargers and adaptors. Packaged in PSMC (TO-277A), the STPS1045SF provides a high level of performance in a compact and flat package which can withstand very high operating junction temperature. Product status link STPS1045SF Product summary Symbol Value I 10 A F(AV) V 45 V RRM T (max.) 175 C j V (typ.) 0.51 V F DS12693 - Rev 1 - July 2018 www.st.com For further information contact your local STMicroelectronics sales office.STPS1045SF Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 C, unless otherwise specified, anode terminals short- circuited) Symbol Parameter Value Unit V Repetitive peak reverse voltage 45 V RRM I Average forward current, = 0.5 square wave T = 140 C 10 A F(AV) c I Surge non repetitive forward current t = 10 ms sinusoidal 210 A FSM p P Repetitive peak avalanche power t = 10 s, T = 125 C 172 W ARM p j T Storage temperature range -65 to +175 C stg (1) T Maximum operating junction temperature +175 C j 1. (dP /dT ) < (1/R ) condition to avoid thermal runaway for a diode on its own heatsink. tot j th(j-a) Table 2. Thermal resistance parameters Symbol Parameter Typ. value Unit R Junction to case 2.5 C/W th(j-c) For more information, please refer to the following application note: AN5088: Rectifiers thermal management, handling and mounting recommendations Table 3. Static electrical characteristics (anode terminals short-circuited) Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 50 A j (1) I Reverse leakage current V = V R RRM R T = 125 C - 7 23 mA j T = 25 C - 0.54 j I = 5 A F T = 125 C - 0.41 0.46 j (2) V Forward voltage drop V F T = 25 C - 0.62 j I = 10 A F T = 125 C - 0.51 0.57 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 = 0.35 x I + 0.022 x I F(AV) F (RMS) For more information, please refer to the following application notes related to the power losses: AN604: Calculation of conduction losses in a power rectifier AN4021: Calculation of reverse losses in a power diode DS12693 - Rev 1 page 2/9