{"Category":"Integrated Circuits (ICs)","Synchronous Rectifier":"No","Frequency - Switching":"550kHz","Voltage - Input":"4.5 V ~ 23 V","Operating Temperature":"-40\u00b0C ~ 85\u00b0C","Package \/ Case":"20-WFQFN Exposed Pad","For Use With":"620-1571-ND - BOARD EVAL FOR A4491EES","Type":"Step-Down (Buck)","Product Photos":"20-VFQFN","Output Type":"Adjustable","Current - Output":"-","Datasheets":"A4491 Datasheet","Standard Package":"1","Number of Outputs":"3","Online Catalog":"Buck (Step-Down) IC","Mounting T...