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MP4573 - 60V 2.5A Synchronous Buck Converter

General Description

The MP4573 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.

Key Features

  • include built-in soft start (SS), enable (EN) control, and power good (PG) indication. High duty cycle and low-dropout (LDO) mode enable the device to withstand automotive cold crank conditions. The MP4573 employs over-current protection (OCP) with valley current detection to avoid current runaway. It also features short-circuit protection (SCP) with hiccup mode, input undervoltage lockout (UVLO), and auto-recovery thermal protection. With internal compensation, the MP4573 offers an ultra-compac.

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MP4573 60V, 2.5A, Fully Integrated, High-Efficiency, Synchronous Buck Converter DESCRIPTION The MP4573 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 accommodates a variety of step-down applications in automotive input environments. The device’s 2μA shutdown current also makes it ideal for battery-powered applications. The MP4573’s integrated internal high-side and low-side power MOSFETs (HS-FET and LS-FET, respectively) provide high efficiency without the need for an external Schottky diode.