NCP5269 Synchronous Buck Controller with Auto Power Saving Mode and 2-Bit VID Inputs for System Agent NCP5269 VID0 VID1 V3 VID Precision Decoder & V2 Reference Vref V1 Selection VREF + Internal Reference FBRTN + E/A FB OC & TRE Detection BST COMP GH Control Logic Ramp Generator And PWM Logic SW CSP + CSA CSN VCC VCCP UVLO, EN UVP, OVP, PG GL/FSET Power Good OCP, TSD and Protection PGND AGND Figure 1. Block Diagram