SiC780, SiC780A www.vishay.com Vishay Siliconix Integrated DrMOS Power Stage DESCRIPTION FEATURES The SiC780 is an integrated power stage solution Thermally enhanced PowerPAK MLP6x6-40L optimized for synchronous buck applications offering high package current, high efficiency and high power density. Packaged in Industry benchmark MOSFET with integrated Vishay s proprietary 6 mm x 6 mm MLP package, SiC780 Schottky diode enables voltage regulator designs to deliver in excess of Delivers in excess of 50 A continuous current 50 A per phase current with 93 % peak efficiency. 93 % peak efficiency The internal Power MOSFETs utilize Vishays High frequency operation up to 1 MHz state-of-the-art TrenchFET Gen III technology that delivers industry benchmark performance by significantly reducing Power MOSFETs optimized for 12 V input stage switching and conduction losses. 3.3 V (SiC780ACD)/5 V (SiC780CD) PWM logic with The SiC780 incorporates an advanced MOSFET gate driver Tri-state and hold-off IC that features high current driving capability, adaptive SMOD logic for light load efficiency boost dead-time control, and integrated bootstrap Schottky Low PWM propagation delay (< 20 ns) diode, and a thermal warning (THDN) that alerts the system Thermal monitor flag of excessive junction temperature. The driver is also compatible with a wide range of PWM controllers and Enable feature supports Tri-state PWM, 3.3 V (SiC780ACD)/5 V (SiC780CD) V UVLO CIN PWM logic, and skip mode (SMOD) to improve light load Compliant with Intel DrMOS 4.0 specification efficiency. Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 APPLICATIONS Synchronous buck converters Multi-phase VRDs for CPU, GPU and memory DC/DC POL modules TYPICAL APPLICATION DIAGRAM Fig. 1 - SiC780 Typical Application Diagram S14-1497-Rev. D, 04-Aug-14 Document Number: 63788 1 For technical questions, contact: powerictechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000SiC780, SiC780A www.vishay.com Vishay Siliconix PIN CONFIGURATION - Bottom View Fig. 2 - SiC780 Pin Configuration PIN DESCRIPTION PIN NUMBER SYMBOL DESCRIPTION 1 SMOD LS FET turn-off logic. Active low 2V Supply voltage for internal logic circuitry CIN 3V Supply voltage for internal gate driver DRV 4 BOOT High side driver bootstrap voltage 5, 37, P1 C Analog ground for the driver IC GND 6GH High side gate signal 7 PHASE Return path of HS gate driver 8 to 14, P2 V Power stage input voltage. Drain of high side MOSFET IN 15, 29 to 35, P3 V Phase node of the power stage SWH 16 to 28 P Power ground GND 36 GL Low side gate signal 38 THDN Thermal shutdown open drain output 39 DSBL Disable pin. Active low 40 PWM PWM input logic S14-1497-Rev. D, 04-Aug-14 Document Number: 63788 2 For technical questions, contact: powerictechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000