The MP4462 is a high-efficiency, synchronous, rectified, step-down converter with built-in power MOSFETs. It offers a very compact solution to achieve 2A continuous output current over a wide input supply range with excellent load and line regulation. The MP4462 features synchronous operation for higher efficiency, and it integrates internal compensation to minimize external component count.

Applications:

• Point-of-Load DC-DC Converters
• Set-Top Boxes
• LCD Monitors and TVs
• Distributed Power Systems

Features:

• Wide 4.5V to 24V Operating Input Range
• 2A Continuous Output Current
• Integrated Low RDS(ON) Power MOSFETs
• High Efficiency up to 95%
• Fixed 500kHz Switching Frequency
• Internal Soft-Start
• Over-Current Protection (OCP) with Valley Current Detection
• Short-Circuit Protection (SCP)
• Over-Temperature Protection (OTP)
• Available in an 8-Pin SOIC Package

Benefits:

• High Efficiency: Synchronous rectification and low RDS(ON) MOSFETs result in high efficiency, reducing power loss and heat generation.
• Wide Input Voltage Range: Operates from a wide input voltage range, accommodating various power sources.
• Compact Solution: Integrates power MOSFETs and internal compensation, minimizing external component count and board space.
• Robust Protection: Comprehensive protection features ensure reliable operation and prevent damage from over-current, short-circuit, and over-temperature conditions.
• Stable Operation: Internal compensation ensures stable operation over a wide range of input voltages and output currents.

Technical Specifications:

The MP4462 operates with an input voltage range of 4.5V to 24V and provides a continuous output current of 2A. It uses a fixed 500kHz switching frequency. The internal soft-start feature limits inrush current during startup. The device is available in an 8-Pin SOIC package. The operating temperature range is typically -40°C to +85°C.