STPS640CB STMicroelectronics

STPS640C Power Schottky rectifier Datasheet - production data A1 Description K This dual Schottky rectifier is designed for switch A2 mode power supplies and other power converters. K This device is intended for use in low and K medium voltage operation, and in particular high frequency circuits where low switching losses are required (free wheeling and polarity protection). A2 A2 Table 1: Device summary A1 A1 Symbol Value IF(AV) 2 x 3 A DPAK VRRM 40 V Tj (max) 150 C Features V (typ) 0.50 V F Very small conduction losses Extremely fast switching Low thermal resistance Negligible switching losses Low forward voltage drop Low capacitance Avalanche specification ECOPACK 2 compliant component for DPAK on demand May 2017 DocID3628 Rev 9 1/8 www.st.com This is information on a product in full production. Characteristics STPS640C 1 Characteristics Table 2: Absolute ratings (limiting values at 25 C, per diode, unless otherwise specified) Uni Symbol Parameter Value t VRRM Repetitive peak reverse voltage 40 V I Forward rms current 6 A F(RMS) IF(AV) Average forward current = 0.5, square wave TC = 135 C 3 A I Surge non repetitive forward current tp = 10 ms sinusoidal 75 A FSM tp = 10 s P Repetitive peak avalanche power 90 W ARM Tj = 125 C T Storage temperature range -65 to +150 C stg (1) Tj Maximum operating junction temperature 150 C Notes: (1) (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink. Table 3: Thermal parameters Symbol Parameter Max. value Unit Per diode 5.5 R Junction to case th(j-c) Per device 3 C/W Rth(c) Coupling 0.5 When the diodes 1 and 2 are used simultaneously: T = P x R (per diode) + P x R j (diode1) (diode1) th(j-c) (diode2) th(c) Table 4: Static electrical characteristics (per diode) Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 100 A j (1) IR Reverse leakage current VR = VRRM Tj = 125 C - 2 10 mA T = 25 C - 0.63 j IF = 3 A Tj = 125 C - 0.50 0.57 (2) V Forward voltage drop V F T = 25 C - 0.84 j IF = 6 A Tj = 125 C - 0.67 0.72 Notes: (1) Pulse test: tp = 5 ms, < 2% (2) Pulse test: t = 380 s, < 2% p To evaluate the conduction losses, use the following equation: 2 P = 0.42 x IF(AV) + 0.050 x IF (RMS) 2/8 DocID3628 Rev 9