AOT480L

Single FETs, MOSFETs Overview

The AOT480L is an 80V N-Channel MOSFET utilizing SDMOS trench technology, designed for high-efficiency switching in PWM and load applications. It features a maximum continuous drain current of 180A at 25°C case temperature and a pulsed drain current of 500A. The device exhibits a low on-state resistance of less than 4.5mΩ at VGS=10V and ID=20A. Key electrical parameters include a gate threshold voltage ranging from 2V to 4V, total gate charge of 92nC to 140nC, and input capacitance up to 7820pF. Thermal characteristics specify a junction-to-case resistance of 0.45°C/W and a maximum operating junction temperature of 175°C.

Single FETs, MOSFETs Feature Summary

• SDMOS trench technology providing low on-resistance and controlled switching behavior
• High current handling capability with 180A continuous and 500A pulsed ratings
• Robust avalanche performance validated through 100% UIS testing
• Optimized body diode reverse recovery characteristics for synchronous rectification

Single FETs, MOSFETs Applications

• PWM controller circuits
• Load switching applications
• General purpose power switching
• Synchronous rectifiers

Single FETs, MOSFETs Procurement Notes

Verify the specific package variant required, as the AOB480L designation corresponds to the TO-263 form factor while the AOT480L refers to the TO-220 configuration. Confirm that the selected component meets the thermal management requirements for the intended application, particularly regarding junction-to-ambient resistance values under specific board copper area conditions. Ensure compliance with export control regulations applicable to semiconductor devices.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring high current density and low conduction losses within an 80V system. Consider the thermal resistance specifications when designing heatsinking solutions, as power dissipation limits are heavily dependent on case temperature and PCB copper layout. Evaluate the gate charge requirements against the driving circuit capabilities to ensure adequate switching speeds without excessive drive current demands.

Single FETs, MOSFETs Part Context

This device belongs to the SDMOS family of power MOSFETs manufactured by Alpha & Omega Semiconductor. It represents an evolution in trench technology aimed at reducing on-resistance while maintaining robust avalanche ruggedness. The product line targets high-performance power conversion systems where efficiency and thermal stability are critical design constraints.

Single FETs, MOSFETs Replacement Considerations

The AOB480L serves as the surface-mount equivalent in the TO-263 package. Verify pinout compatibility and thermal pad configurations before substitution. Cross-reference datasheet parameters such as RDS(ON) and thermal resistance to ensure equivalent performance in the target application.

Single FETs, MOSFETs FAQ

What is the maximum junction temperature for the AOT480L?

The maximum junction and storage temperature range is -55°C to 175°C.

Is the AOT480L tested for avalanche energy?

Yes, the device undergoes 100% Unclamped Inductive Switching (UIS) testing to verify avalanche ruggedness.

What is the typical forward transconductance of this MOSFET?

The forward transconductance (gFS) is typically 60 S under standard test conditions.