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A4409 - Adjustable Frequency Buck or Buck-Boost Pre-Regulator

Allegro Micro Systems

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Datasheet Details

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

A4409 Product details

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 5 V internal LDO regulators with foldback short- circuit protection.
Power-on reset (NPOR) with fixed delay of 22.5 ms.
Programmable window watchdog timer with a fixed activation.

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

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A4409 Stock/Price