Active production — still a current BOM line
The LTC4231IMS-2#PBF: RoHS3 compliant, which means it meets the current EU restriction directive without exemptions — no paperwork surprise for a compliance audit.
Supply range and quiescent budget
The 4 µA supply current is the controller's own draw; the load current is carried by an external N-channel pass FET, so the quiescent penalty stays negligible even on a 10 A board.
Programmable protection — what each feature gates
Six programmable functions are on the pin list: Circuit Breaker, Current Limit, Fault Timeout, OVP, Slew Rate, and UVLO. No internal switch — the FET is external, so the thermal rise of the pass element is managed at the board level, not inside the controller package.
Supplied in a 12-lead TSSOP (3.00 mm width) which also maps to the 12-MSOP supplier device package — the same footprint, so either marking on the reel matches the same land pattern.