STPS340SY STMicroelectronics

STPS340-Y Automotive power Schottky rectifier Datasheet production data Features A Very small conduction losses A Negligible switching losses K K Low forward voltage drop SMC SMB Low thermal resistance STPS340SY STPS340UY Extremely fast switching Surface mounted device Avalanche capability specified Table 1. Device summary AEC-Q101 qualified I 3 A F(AV) V 40 V RRM Description T (max) 150 C j This single chip Schottky rectifier is suited for V (max) 0.57 V F switch mode power supplies and high frequency DC to DC converters. Packaged in SMB, and SMC, this device is intended for use in low and medium voltage operation, high frequency inverters, free wheeling and polarity protection applications where low switching losses are required for automotive applications. October 2012 Doc ID 17390 Rev 1 1/8 This is information on a product in full production. www.st.com 8Characteristics STPS340-Y 1 Characteristics Table 2. Absolute ratings (limiting values) Symbol Parameter Value Unit V Repetitive peak reverse voltage 40 V RRM I Forward rms current 6 A F(RMS) SMB T = 95 C = 0.5 3 A L I Average forward current F(AV) SMC T = 105 C = 0.5 3 A L I Surge non repetitive forward current t =10 ms sinusoidal 75 A FSM p P Repetitive peak avalanche power t = 1 s T = 25 C 1300 W ARM p j T Storage temperature range -65 to + 150 C stg (1) T Operating junction temperature range -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 SMB 25 R Junction to lead C/W th(j-l) SMC 20 Table 4. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C 20 A j Reverse leakage (1) I V = V R R RRM current T = 125 C 2 10 mA j T = 25 C 0.63 j I = 3 A F T = 125 C 0.52 0.57 j (1) V Forward voltage drop V F T = 25 C 0.84 j I = 6 A F T = 125 C 0.63 0.72 j 1. Pulse test: t = 380 s, < 2% p To evaluate the conduction losses use the following equation: 2 P = 0.42 x I + 0.050 I F(AV) F (RMS) 2/8 Doc ID 17390 Rev 1