A4409 Adjustable Frequency Buck or Buck-Boost Pre-Regulator

Allegro Micro Systems

Description

A4409 Adjustable Frequency Buck or Buck-Boost Pre-Regulator with 2 LDOs, Window Watchdog Timer, and NPOR .

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Datasheet Specifications

Part number: A4409
Manufacturer: Allegro Micro Systems
File Size: 1.40 MB
Datasheet: A4409-AllegroMicroSystems.pdf
Description: Adjustable Frequency Buck or Buck-Boost Pre-Regulator

Features

* Automotive AEC-Q100 qualified
* VIN operating range from 3 to 36 V, with 40 V maximum
* Buck or buck-boost pre-regulator (VREG)
* Adjustable PWM switching frequency: 250 kHz to 2.4 MHz
* PWM frequency can be synchronized to external clock
* Two

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A4409 Adjustable Frequency Buck Buck-Boost Pre-Regulator Allegro Micro Systems

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