STTH8003CY HIGH FREQUENCY SECONDARY RECTIFIERS MAJOR PRODUCTS CHARACTERISTICS I 2x40 A F(AV) V 300 V RRM V (max) 1 V F trr (max) 60 ns FEATURES AND BENEFITS n COMBINES HIGHEST RECOVERY AND VOLTAGE PERFORMANCE. A2 n ULTRA-FAST, SOFT AND NOISE-FREE K RECOVERY. A1 n HIGH OPERATING TEMPERATURE THANKS TO LOW LEAKAGE CURRENT. DESCRIPTION Dual rectifiers suited for Switch Mode Power Max247 Supply and high frequency DC to DC converters. Packaged in Max247, this device is intended for use in low voltage, high frequency inverters, free wheeling operation, welding equipment and telecom power supplies. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit V Repetitive peak reverse voltage 300 V RRM I RMS forward current 50 A F(RMS) I Average forward cur- Tc = 105C Per diode 40 A F(AV) rent = 0.5 Per device 80 I Surge non repetitive forward current tp = 10 ms 400 A FSM sinusoidal I Non repetitive avalanche current tp = 100 s 4A RSM square T Storage temperature range -55 +175 C stg Tj Maximum operating junction temperature + 175 C September 2002 - Ed: 3A 1/5STTH8003CY THERMAL RESISTANCES Symbol Parameter Value Unit R Junction to case thermal resistance Per diode 0.8 C/W th (j-c) Total 0.5 R Coupling 0.2 C/W th (c) STATIC ELECTRICAL CHARACTERISTICS Symbol Parameter Tests Conditions Min. Typ. Max. Unit I * Reverse leakage current V = 300 V Tj = 25C 80 A R R Tj = 125C 80 800 V ** Forward voltage drop I = 40A Tj=25C 1.25 V F F Tj = 125C 0.85 1 Pulse test : * tp=5ms, <2% ** tp = 380 s, <2% To evaluate the maximum conduction losses use the following equation : 2 P=0.75xI + 0.0062 I F(AV) F(RMS) DYNAMIC ELECTRICAL CHARACTERISTICS Symbol Tests Conditions Min. Typ. Max. Unit = 0.5 A Irr = 0.25 A I = 1 A Tj = 25C trr I 50 ns F R I =1A dI /dt=-50A/sV =30V 60 F F R I Vcc = 200 V I =40A d /dt = -200 A/s Tj = 125C 13 A RM F IF S 0.3 - factor tfr I =40A dI /dt = 200 A/s, Tj = 25C 450 ns F F V = 1.1xV max FR F V 5V FP 2/5