MPQ4573 Overview
The MPQ4573 is a fully integrated, fixedfrequency, synchronous step-down converter. It can achieve up to 2.5A of continuous output current with peak current control for excellent transient response. The wide 4.5V to 60V input voltage range acmodates a variety of step-down applications in an automotive input environment.
MPQ4573 Key Features
- Wide 4.5V to 60V Operating Input Range
- 2.5A Continuous Output Current (IOUT)
- High-Efficiency, Synchronous Mode Control
- 250mΩ/45mΩ Internal Power MOSFETs
- Up to 2.2MHz Configurable Frequency
- 180° Out-of-Phase SYNCO Clock
- 40μA Quiescent Current (IQ)
- Low 2μA Shutdown Current
- FB Tolerance: 1% at Room Temperature
- Selectable Advanced Asynchronous Modulation (AAM) Mode or Forced Continuous Conduction Mode (FCCM) during Light-Load Ope