STPS2L40 Datasheet 40 V, 2 A low drop power Schottky rectifier Features Very small conduction losses Negligible switching losses Low forward voltage drop Surface mount miniature package Avalanche rated ECOPACK2 component Applications Telecom power supply Set-top box power supply TV power supply Battery charger Description Single chip Schottky rectifiers designed for high frequency miniature switched mode power supplies such as adaptors and on board DC/DC converters. Packaged in SMB, SMA Flat, SMA Flat Notch and SMB Flat, the STPS2L40 is ideal for surface mounting and used in low voltage, high frequency inverters, free wheeling and polarity protection applications. Product status STPS2L40 Product summary Symbol Value I F(AV) 2 A V 40 V RRM T 150 C j(max.) V 0.31 V F(typ.) DS2146 - Rev 6 - September 2019 www.st.com For further information contact your local STMicroelectronics sales office.STPS2L40 Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 C, unless otherwise specified) Symbol Parameter Value Unit V Repetitive peak reverse voltage 40 V RRM T = 130 C SMB L Average forward current, = 0.5, square I T = 140 C SMB Flat 2 A F(AV) L wave T = 130 C SMA Flat, SMA Flat Notch L I Surge non repetitive forward current t = 10 ms sinusoidal 75 A FSM p P Repetitive peak avalanche power t = 10 s, T = 125 C 158 W ARM p j T Storage temperature range -65 to +150 C stg (1) T Maximum operating junction temperature +150 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 parameter Symbol Parameter Max. value Unit SMB 20 SMB Flat 10 R Junction to lead C/W th(j-l) SMA Flat 20 SMA Flat Notch 20 For more information, please refer to the following application note : AN5088 : Rectifiers thermal management, handling and mounting recommendations Table 3. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 220 A j (1) T = 100 C V = 40 V I Reverse leakage current - 20 mA R j R T = 125 C - 38 80 mA j T = 25 C - 0.39 j I = 1 A F T = 125 C - 0.25 0.28 j T = 25 C - 0.43 j (1) V Forward voltage drop I = 2 A V F F T = 125 C - 0.31 0.34 j T = 25 C - 0.50 j I = 4 A F T = 125 C - 0.39 0.45 j 1. Pulse test: t = 380 s, < 2% p To evaluate the conduction losses, use the following equation: 2 P = 0.22 x I + 0.06 x I F(AV) F (RMS) DS2146 - Rev 6 page 2/17