FAN3225CMPX

Gate Driver Overview

The FAN3225CMPX is a dual low-side MOSFET gate driver manufactured by onsemi, designed for driving N-channel enhancement-mode MOSFETs. It operates within a supply voltage range of 4.5 V to 18 V and delivers a peak output current of 4 A per channel. The device features both inverting and non-inverting inputs, with typical rise and fall times of 12 ns and 9 ns, respectively. It is housed in an 8-MLP (3x3 mm) package and supports an operating temperature range from -40°C to +125°C.

Gate Driver Feature Summary

• Provides high peak current pulses for rapid switching of N-channel MOSFETs in low-side applications.
• Integrates internal undervoltage lockout circuitry to maintain outputs low until supply voltage is within the specified operating range.
• Features matched internal propagation delays between channels to ensure critical timing accuracy for synchronous rectification.

Gate Driver Applications

• Synchronous rectifier circuits requiring precise dual-gate drive timing
• Low-side switching applications for N-channel power MOSFETs
• Power management systems utilizing parallel driver configurations for increased current capability

Gate Driver Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm RoHS compliance status and specific packaging variants prior to ordering. Review official datasheets for updated electrical characteristics and thermal performance data relevant to the specific application environment.

Gate Driver Selection Notes

Select this component when dual independent low-side driving with mixed input polarity requirements is necessary. The 4 A output current suits moderate-power MOSFETs, while the MLP-8 package offers compact footprint solutions. Ensure the application voltage remains within the 4.5 V to 18 V range and consider thermal dissipation limits for high-frequency switching operations.

Gate Driver Part Context

Part of the FAN322xC series, which includes variants like FAN3224CMPX and FAN3226CMPX. These drivers share similar architectural features but differ in input configuration and current ratings. The CMPX suffix denotes the MLP-8 package variant, distinguishing it from other packaging options within the same functional family.

Gate Driver Replacement Considerations

Direct substitutes include FAN3224CMPX for non-inverting only applications and FAN3226CMPX for lower current requirements. Verify pin compatibility and electrical specifications against original design parameters before substitution.