FAN3226TMX-F085 onsemi / Fairchild

Here is the English description of the FAN3226TMX-F085 chip:

• Function: Synchronous 2-Phase Buck Regulator Controller
• Input Voltage Range: 4.5V to 12V
• Output Voltage: Adjustable 0.6V to 5.5V
• Output Current: Up to 5A (2.5A per phase)
• Switching Frequency: Up to 1.6MHz
• Package: VQFN-20

The FAN3226TMX-F085 from ON Semiconductor is a synchronous two-phase buck regulator controller.

Key Features:

• Integrated high/low side MOSFET gate drivers up to 2.5A per phase
• Narrow 4.5V to 12V input voltage operating range
• Capable of delivering very high efficiency to 0.6V to 5.5V outputs
• VQFN-20 package provides compact solution size
• Internal 1.6MHz switching converter for each phase

Common Applications:

• High current distributed power systems up to 5A total
• Primary supply controller for GPU/FPGA/SoC regulation
• Point-of-load supplies for network/telecom systems

Benefits Include:

• Achieves very high current capacity in small solution size
• Optimized for applications within defined voltage range
• Enables simpler, lower cost multi-phase regulator designs

Well-suited for high current applications up to 5A where a two-phase controller in a small footprint is required.

In summary, the FAN3226TMX-F085 offers industry-leading current handling and efficiency in a VQFN-20 package.

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