A4406 Datasheet - Allegro Micro Systems

A4406, Constant On-Time Buck Regulator

A4406 Constant On-Time Buck Regulator with External and Internal Linear Regulator .
The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.

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A4406-AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A4406

Manufacturer:

Allegro Micro Systems

File Size:

3.22 MB

Description:

Constant On-Time Buck Regulator

Features

* 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
* 2.2 MHz constant on-time buck regulator
* 50 V absolute maximum input

Applications

* Efficient operation is achieved by using a buck pre-regulator to efficiently drop the input voltage before supplying the linear regulators; this reduces power dissipation and increases overall regulator efficiency. The switching regulator is capable of operating at a nominal switching frequency of

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A4406 Constant On-Time Buck Regulator Allegro Micro Systems

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