FAN3122CMX-F085

Gate Driver Overview

The FAN3122CMX-F085 is a single-channel, low-side MOSFET gate driver manufactured by onsemi. It operates within a supply voltage range of 4.5V to 18V and delivers a peak output current of 10.6A source and 11.4A sink. The device features non-inverting logic input and utilizes an 8-SOIC surface-mount package. It exhibits fast switching characteristics with typical rise and fall times of 23ns and 19ns, respectively. The component supports junction temperatures from -55°C to 150°C and holds AEC-Q100 automotive qualification.

Gate Driver Feature Summary

• High-speed switching capability for efficient power conversion
• Robust peak output drive strength for rapid MOSFET transitions
• Automotive-grade reliability with extended temperature tolerance

Gate Driver Applications

• Automotive power management systems
• Industrial motor control circuits
• High-frequency DC-DC converter topologies

Gate Driver Procurement Notes

Verify the obsolete status before procurement planning. Confirm that the 8-SOIC package dimensions match the target PCB footprint. Ensure the non-inverting logic requirement aligns with the system control interface. Validate that the 4.5V minimum supply voltage meets the lowest operating condition of the application circuit.

Gate Driver Selection Notes

Select this component when high peak current drive is required for low-side N-channel MOSFETs in space-constrained designs. The 8-SOIC package offers a balance between thermal performance and board area efficiency. Consider the non-inverting input configuration for direct logic interfacing without additional inversion stages. Verify compatibility with the specific load capacitance requirements for the intended switching frequency.

Gate Driver Part Context

This part belongs to the FAN3122 series of high-speed gate drivers designed for demanding power electronics applications. The series emphasizes fast switching speeds and high drive currents to minimize switching losses. The FAN3122CMX-F085 variant specifically denotes the automotive-qualified version in the SOIC-8 package, distinguishing it from other package options or commercial grades within the same functional family.

Gate Driver Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative sourcing requires careful evaluation of pinout compatibility and electrical parameter equivalence.