AON7804

Overview

The AON7804 is a dual N-channel MOSFET array manufactured by Alpha & Omega Semiconductor Inc. It features a 30V drain-source voltage (Vdss) and a continuous drain current (Id) of 27A at 25°C. The device utilizes an 8-DFN surface-mount package with dimensions of 5x6mm. Key electrical parameters include a maximum gate threshold voltage (Vgs(th)) of 2.2V at 250µA, a maximum gate charge (Qg) of 34nC at 10V, and a maximum input capacitance (Ciss) of 1720pF at 15V. The on-resistance (Rds(on)) is specified at 4mΩ when tested at 20A and 10V. The component supports a junction temperature range from -55°C to 150°C and offers a maximum power dissipation of 4.1W.

Feature Summary

• Dual N-channel configuration with common-drain architecture for integrated circuit solutions
• Logic-level gate drive capability enabling efficient control with standard logic signals
• Surface-mount construction in an exposed pad 8-DFN package for thermal management

Applications

• DC-DC converter circuits requiring low-side switching
• Load switch applications in portable electronic devices
• Power management modules within battery-powered systems

Procurement Notes

Verify the specific ordering suffix to ensure the correct tape-and-reel packaging quantity matches your assembly requirements. Confirm RoHS compliance status and REACH registration details against the latest manufacturer documentation before finalizing procurement specifications. Ensure that the component's moisture sensitivity level and shelf life constraints are compatible with your manufacturing timeline and reflow soldering processes.

Selection Notes

Select this component for designs requiring a compact dual N-channel solution with low on-resistance and high current handling capabilities. The logic-level gate threshold simplifies driver interface design, while the exposed pad package facilitates effective heat dissipation. Evaluate the total gate charge and input capacitance to ensure compatibility with your switching frequency and driver strength requirements.

Part Context

This part belongs to the AON681 series of dual N-channel MOSFET arrays from Alpha & Omega Semiconductor. The series is designed for space-constrained applications where multiple switching elements are needed in a single footprint. The AON7804 specifically targets high-efficiency power conversion and load management tasks in consumer electronics and industrial control systems.

Replacement Considerations

Publicly confirmed substitute part numbers for the AON7804 were not identified in the provided source material.