The MP8706AEN is a monolithic step-down switch mode converter from MPS (Monolithic Power Systems). It achieves 6A of continuous output current from a 3V to 36V input voltage range with excellent load and line regulation. It integrates an 85mΩ high-side MOSFET and a 30mΩ low-side MOSFET for high efficiency.

Applications

• Automotive Systems: Used for powering various electronic components in vehicles, such as infotainment systems and control units.
• Industrial Power Supplies: Provides efficient power conversion for industrial equipment and machinery.
• Battery Chargers: Suitable for charging batteries in portable devices and power tools.
• Distributed Power Systems: Used in telecom and networking equipment for local power regulation.
• FPGA, DSP, and Microprocessor Core and I/O Power: Powers digital circuits requiring stable and efficient voltage regulation.

Features

• Wide Input Voltage Range: Operates from 3V to 36V input voltage.
• 6A Continuous Output Current: Delivers a high current output for demanding applications.
• Low RDS(on) MOSFETs: Integrated low on-resistance MOSFETs for high efficiency.
• Adjustable Output Voltage: Output voltage can be adjusted using external resistors.
• Frequency Synchronization: Allows synchronization to an external clock signal.
• Over-Current Protection (OCP): Protects the device and load from over-current conditions.
• Over-Voltage Protection (OVP): Protects the load from over-voltage conditions.
• Thermal Shutdown Protection: Protects the device from overheating.
• Available in a QFN Package: Small form factor for space-constrained applications.

Benefits

• High Efficiency: Achieves high efficiency over a wide range of input voltages and load currents.
• Reduced Power Dissipation: Low RDS(on) MOSFETs minimize power losses, reducing heat generation.
• Improved Reliability: Integrated protection features enhance the reliability of the power supply.
• Simplified Design: Minimal external components required, simplifying circuit design.
• Compact Solution: Small QFN package allows for integration in space-constrained applications.

Additional Details

The MP8706AEN uses a constant-on-time (COT) control architecture for fast transient response and stable operation. The switching frequency is adjustable from 200kHz to 2MHz. An enable pin allows the device to be turned on and off. The device features a power good output to indicate when the output voltage is within regulation. Input voltage feed-forward compensation improves line transient response. The operating temperature range typically spans from -40°C to +125°C. The datasheet provides detailed information on component selection and layout recommendations for optimal performance.