The AO4928 is a P-Channel MOSFET from Alpha & Omega Semiconductor, designed for high-efficiency power management applications. This device features a low on-resistance (RDS(on)) and a high drain current capability, making it suitable for load switching and power conversion circuits. Its compact surface-mount package allows for efficient use of board space in portable devices and other space-constrained applications.

Applications:

• Notebook Computers: Used in power management circuits for battery charging and discharging.
• Portable Devices: Ideal for use in smartphones, tablets, and other battery-powered devices due to its efficiency and small size.
• DC-DC Converters: Employed in DC-DC converters to provide efficient power conversion.
• Load Switching: Used for load switching applications requiring low RDS(on) to minimize power loss.

Features:

• Low RDS(on): Minimizes power loss and improves efficiency.
• High Drain Current: Capable of handling substantial current levels.
• Surface Mount Package: Allows for efficient use of board space.
• Logic Level Gate Drive: Enables direct drive from logic circuits.
• Avalanche Rated: Ruggedness in demanding applications.

Benefits:

• Improved Efficiency: Low RDS(on) reduces power dissipation, enhancing overall system efficiency.
• Compact Design: Small footprint allows for integration into space-constrained applications.
• Simplified Driving Circuitry: Logic level gate drive simplifies the design of driving circuits.
• Enhanced Reliability: High drain current capability ensures reliable performance in demanding applications.

Additional Details:

The AO4928 has a drain-source voltage (VDS) rating of -30V and a continuous drain current (ID) rating of -8A. The typical RDS(on) is 22 mΩ at VGS = -10V and 35 mΩ at VGS = -4.5V. Its operating and storage temperature range is -55°C to +150°C. It is available in a SO-8 package.