SiC521A

www.vishay.com SiC521, SiC521A Vishay Siliconix 30 A VRPower® Integrated Power Stage DESCRIPTION The SiC521 and SiC521A are integrated power stage solutions optimized for synchronous buck applications to offer high current, high efficiency, and high power density performance. Packaged in Vishay’s proprietary 4.5 mm x 3.5 mm MLP package, SiC521 and SiC521A enable voltage regulator designs to deliver up to 30 A continuous current per phase. The internal power MOSFETs utilize Vishay’s state-of-the-art Gen IV TrenchFET technology that delivers industry benchmark performance to significantly reduce switching and conduction losses. The SiC521 and SiC521A incorporate an advanced MOSFET gate driver IC that features high current driving capability, adaptive dead-time control, an integrated bootstrap Schottky diode, and zero current detect to improve light load efficiency. The drivers are also compatible with a wide range of PWM controllers, support tri-state PWM, and 3.3 V (SiC521A) / 5 V (SiC521) PWM logic. FEATURES Thermally enhanced PowerPAK® MLP4535-22L package Vishay’s Gen IV MOSFET technology and a low-side MOSFET with integrated Schottky diode Delivers up to 30 A continuous current, 40 A at 10 ms peak current 95 % peak efficiency High frequency operation up to 1.5 MHz Power MOSFETs optimized for 12 V input stage 3.3 V (SiC521A) / 5 V (SiC521) PWM logic with tri-state and hold-off Zero current detect control for light load efficiency improvement Low PWM pro...