Use a TL431 shunt regulator to limit high ac input voltage - EDN
ATL431 Datasheet | 2.5-V Low Iq Adjustable Precision Shunt Regulator
ATL431 2.5V Low Iq Adjustable Precision Shunt Regulator | eBay
ATL431: The reference on the ATL431 is relative to the anode. Does TI or anyone else make a similar part with the reference relative to the cathode? - Power management forum -
ATL431BIDBZR Datasheet & Pinout & User Reference Manual Guide | TI - AiEMA
10PCS New Original ATL431AIDBZR ATL431 TI SOT23-3 ATL431AIDBZT - AliExpress
ATL431 data sheet, product information and support | TI.com
ATL431LI: Any change on related Discrete components, when changing from TL431 to ATL431/431LI - Power management forum - Power management - TI E2E support forums