The document describes the features and characteristics of the AO4406, an N-channel enhancement mode field effect transistor. It includes low RDS(ON), low gate charge, and operation with low gate voltages. The product is suitable as a high side switch for notebook CPU core DC-DC conversion.
The Alpha & Omega AO4406 is an N‑channel enhancement mode field‑effect transistor designed for high‑side switching applications. It features a low gate charge, low on‑resistance, and can operate with gate voltages as low as 2.5 V.
The datasheet provides absolute maximum ratings, detailed electrical characteristics, typical thermal performance, and package dimensions for the SO‑8 form factor, along with tape‑and‑reel handling information.
| Drain‑Source Voltage (VDS) | 30 V |
|---|---|
| Gate‑Source Voltage (VGS) | +12 V |
| Continuous Drain Current (ID) @ 25 °C | 11.5 A |
| Pulsed Drain Current (ID, pulse) | 80 A |
| Input Capacitance (Ciss) | 1630 pF |
| Package | SO‑8 |
The AO4406 is rated for a maximum drain‑source voltage of 30 V.
It can conduct up to 11.5 A continuously at a case temperature of 25 °C.
The device is supplied in an SO‑8 surface‑mount package.
The total gate charge is specified as 18 nC.