A4407 - 2.2 MHz Constant On-Time Buck Regulator

Allegro Micro Systems

Datasheet Details

Part number	A4407
Manufacturer	Allegro Micro Systems
File Size	2.78 MB
Description	2.2 MHz Constant On-Time Buck Regulator
Datasheet	A4407-AllegroMicroSystems.pdf

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 protec.

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Published: Aug 26, 2017 |