SiC931 www.vishay.com Vishay Siliconix FUNCTIONAL BLOCK DIAGRAM VIN Sync V Regulator DRV rectifier Rr BOOT V UVLO DD EN Enable MODE1 PH Over voltage Control under voltage logic VOUT VOUT SW VDRV VOUT Ramp On time generator FB EA Zero GL Rc Reference crossing P C GOOD c Soft start Over Over Power good MODE2 current temperature AGND PGND Fig. 5 - Functional Block Diagram S23-0880-Rev. G, 23-Oct-2023 5 Document Number: 79602 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