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A4447 Datasheet High Voltage Step Down Regulator

Manufacturer: Allegro Micro Systems

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Datasheet Details

Part number A4447
Manufacturer Allegro Micro Systems
File Size 834.73 KB
Description High Voltage Step Down Regulator
Datasheet download datasheet A4447 Datasheet

General Description

The A4447 is a 2 A, high efficiency general-purpose buck regulator designed for a wide variety of applications.

The output voltage is adjustable from 0.8 to 24 V, based on a resistor divider and the 0.8 V ± 2 % reference.

External components include an external clamping diode, inductor, and filter capacitor.

Overview

A4447 High-Voltage Stepdown Regulator.

Key Features

  • Wide input voltage range: 8 to 50 V.
  • Integrated low RDS(on) DMOS switch.
  • 2 A continuous output current.
  • Adjustable fixed off-time.
  • Highly efficient.
  • Adjustable output: 0.8 to 24 V.
  • Small package with exposed thermal pad.

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