A4407 Datasheet | Allegro MicroSystems

2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators Features and Benefits - AEC-Q100 Grade 0 qualified - Internal buck pre-regulator followed by LDO outputs - 5.5 to 36 V VIN operating range (50 V maximum); for start/stop, cold crank, and load dump requirements - Constant on-time (COT) buck pre-regulator - Valley current sensing achieves shortest buck on-times - 2.2 MHz (VIN - adjusted) switching frequency - 5 V internal low-dropout tracking linear regulator with foldback short circuit and short-to-battery protections - 5 V internal low-dropout linear regulator with foldback short circuit protection - 3.3 V external FET controller/driver with programmable current limit and foldback short circuit protection - 1.2 V/1.5 V/1.8 V external FET controller/driver with programmable current limit and foldback protection - Power-on reset (NPOR) with adjustable rising delay - Logic enable input (ENB) for...