AO4404 is an N-channel enhancement mode field effect transistor produced by Alpha & Omega Semiconductor, Ltd. It has excellent RDS(ON), low gate charge and operation with gate voltages as low as 2.5V. It is suitable for use as a load switch or in PWM applications.
The AO4404 is an N‑channel enhancement mode field‑effect transistor designed with trench technology for low on‑resistance and low gate charge. It is suitable for load‑switch and PWM applications and supports Kelvin source connections to reduce source inductance.
The document provides absolute maximum ratings, detailed electrical characteristics, typical thermal performance, and package dimensions for the SO‑8 package, along with tape‑and‑reel handling data.
| Drain‑Source Voltage (VDS) | 30 V |
|---|---|
| Gate‑Source Voltage (VGS) | +12 V |
| Continuous Drain Current (ID) @ 25 °C | 8.5 A |
| Pulsed Drain Current (ID) @ 70 °C | 71 A |
| On‑Resistance (RDS(on)) Typical | 0.242 Ω (VGS=10 V) |
| Total Gate Charge (QG) | 9.7 nC |
The AO4404 can withstand a drain‑source voltage of up to 30 V.
The device is rated for a continuous drain current of 8.5 A at 25 °C.
Typical on‑resistance is 0.242 Ω when the gate‑source voltage is 10 V.
The total gate charge is specified as 9.7 nC.