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A4411 Datasheet Adjustable Frequency Buck or Buck-Boost Pre-Regulator

Manufacturer: Allegro Micro Systems

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Datasheet Details

Part number A4411
Manufacturer Allegro Micro Systems
File Size 1.57 MB
Description Adjustable Frequency Buck or Buck-Boost Pre-Regulator
Datasheet download datasheet A4411 Datasheet

Overview

A4411 Adjustable Frequency Buck or Buck-Boost Pre-Regulator with a Synchronous Buck, 3 LDOs, Pulse-Width Window Watchdog, NPOR, and.

Key Features

  • Automotive AEC-Q100 qualified.
  • 3.5 to 36 VIN operating range, 40 VIN 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.
  • Synchronous buck regulator (ADJ) delivers 0.8 to 3.3 V.
  • Two 5 V LDOs for “local” sensors (V5SNR) and communications (V5CAN) with foldback short-circuit protections.
  • 5 V internal tracking LDO.

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