AO3404 N-Channel MOSFET
The AO3404 is a small signal TrenchFET MOSFET from Alpha and Omega Semiconductors. These MOSFETs are known for their low on-resistance and low gate charge.
Pin description of AO3404
|
Pin No: |
Pin Name: |
Pin Description: |
|
1 |
GATE |
Gate terminal that controls conduction between drain and source |
|
2 |
SOURCE |
Sources conventional current to ground |
|
3 |
DRAIN |
Conventional current ‘drains’ into this terminal. |
Features of AO3404
- N-channel MOSFET
- Drain to source voltage: 30V
- Drain current: 5.8A
- Low on-resistance: 28mΩ max at VGS 10V.
- Gate threshold voltage: 1V to 3V
- Rise and fall times 3.8ns and 5ns respectively
- Comes in a SOT-23 package
Note: Complete technical details can be found in the AO3404 datasheet linked at the bottom of the page.
Alternatives for AO3404: AO3401, NCE340, SL3401S
Other N-Channel MOSFETs: IRF3205, IRFZ44, 80N60
Where to Use the AO3404
The AO3404 is a small signal N channel MOSFET with a low on-resistance and low input capacitance (680pF), which means it can be driven directly from a microcontroller pin.
The above figure shows a simple PWM controlled motor driver using the AO3404 acting as a low side switch.
Applications of AO3404
- Load switch
- PWM control
- Power supply
- Motor drivers
