• Part: A4403
  • Description: Valley Current Mode Control Buck Converter
  • Manufacturer: Allegro MicroSystems
  • Size: 1.00 MB
A4403 Datasheet (PDF) Download
Allegro MicroSystems
A4403

Description

The A4403 is a buck converter that uses valley current-mode control.

Key Features

  • Extremely fast load-transient response with minimal output voltage delta
  • Achieves high step-down ratios with on-times < 50 ns
  • User-configurable on-time, achieving switching
  • Optimized for low value filter capacitors and inductors
  • Wide input voltage range: 9 to 46 V
  • Output Current: 3 A
  • Low standby current <100 μA
  • Supplied in thermally enhanced QFN package

Applications

  • Printers, scanners