STTH3BCF060U STMicroelectronics

STTH3BCF060 2 600 V high voltage rectifier for BC topology Features A K 2 optimized freewheel diode for BC topology (ST patent) low conduction losses high voltage rectifier improves efficiency by up to 2.5% compared to conventional continuous mode PFC using standard ultrafast 600 V PN diodes SMB STTH3BCF060U performance efficiency improved by up to 0.5% compared to 600 V Schottky power diodes with no reverse recovery charges used in CCM PFC Table 1. Device summary at 200 kHz Symbol Value provides a cost/performance optimized solution to meet the 80+ efficiency I 3 A F(AV) requirements V 600 V RRM supports PFC working up to 300 kHz I (max) 100 A R suitable for PFC up to 400 W T 175 C j compatible with standard PFC controller ICs Description The STTH3BCF060 is a specific freewheel diode used in continuous mode power factor correction 2 working in the BC topology. This diode has been 2 especially designed for the dedicated BC topology. Therefore, its electrical characteristics offer the best possible efficiency with a P-N optimized structured diode. As a result, SMPS efficiency growth up to 2.5% can be produced at an optimized cost. October 2010 Doc ID 17524 Rev 2 1/8 www.st.com 8Characteristics STTH3BCF060 1 Characteristics Table 2. Absolute ratings (limiting values) Symbol Parameter Value Unit V Repetitive peak reverse voltage 600 V RRM I Forward rms current 10 A F(RMS) I Average forward current = 0.5 T = 55 C 3 A F(AV) L I Surge non repetitive forward current t = 10 ms sinusoidal 45 A FSM p T Storage temperature range - 65 to + 175 C stg T Maximum operating junction temperature 175 C j Table 3. Thermal resistance Symbol Parameter Maximum Unit R Junction to lead 25 C/W th(j-l) Table 4. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C 3 j Reverse leakage I V = V A R R RRM current T = 150 C 15 100 j T = 25 C 1.7 j V Forward voltage drop I = 3 A V F F T = 150 C 1.0 1.25 j To evaluate the maximum conduction losses use the following equation: 2 P = 1.03 x I + 0.09 I F(AV) F (RMS) Table 5. Dynamic electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit Reverse I = 1 A, V = 30 V F R t T = 25 C 35 ns rr j recovery time dI /dt = -50 A/s F Forward t 100 ns fr I = 3 A, recovery time F T = 25 C dI /dt = 100 A/s j F Forward V = 1.1 x V V FR Fmax 10 V FP recovery voltage 2/8 Doc ID 17524 Rev 2