The AO4457 is a P-Channel enhancement mode MOSFET from Alpha & Omega Semiconductor. It is designed for use in a wide variety of applications, including power management, load switching, and DC-DC conversion. This MOSFET utilizes advanced trench technology to achieve excellent RDS(ON) and low gate charge characteristics, resulting in high efficiency and fast switching speeds.

Applications

• Power Management in Notebook Computers
• Load Switching
• DC-DC Converters
• Battery Protection

Features

• Low RDS(ON): RDS(ON) = 12mΩ (typ.) @ VGS = -10V
• Low Gate Charge: Qg = 22nC (typ.) @ VGS = -10V
• High Current Capability: ID = -30A
• Avalanche Rated
• 100% UIS Tested
• RoHS Compliant

Benefits

• Improved Efficiency: Low RDS(ON) minimizes conduction losses, leading to higher efficiency in power conversion applications.
• Reduced Power Dissipation: Lower power dissipation results in cooler operation and improved system reliability.
• High Current Handling Capability: Capable of handling high currents, making it suitable for demanding applications.
• Enhanced Reliability: Avalanche rating and 100% UIS testing ensure robust performance and reliability in harsh operating conditions.

Additional Details

The AO4457 is available in a SO-8 package. It has a drain-source voltage (VDS) of -30V. The gate-source voltage (VGS) is ±20V. The operating junction temperature range is -55°C to +150°C.