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FAN3122CMX onsemi / Fairchild

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FAN3122CMX onsemi / Fairchild

Description : FAN3122CMX onsemi / Fairchild SOIC-8

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Here is the English information on the FAN3122CMX chip:

The FAN3122CMX is a single-channel synchronous step-down DC-DC converter from Texas Instruments.

Key Specifications:

  • Input voltage range: 4.5V to 14V
  • Output voltage: 0.6V to 5.5V
  • Maximum output current: 3A
  • Switching frequency: Up to 2MHz
  • I2C digital interface for control/monitoring
  • Overvoltage, overcurrent and thermal protections
  • Available in 6mm x 6mm QFN package

This single-channel digital regulator controls the output voltage via an I2C interface.

It integrates high-side and low-side MOSFETs to enable efficient conversion with few external components.

Onboard protections ensure safe operation under fault conditions.

The I2C interface allows remote configuration and fault reporting to a microcontroller.

Well-suited for distributed power applications in industrial equipment, medical devices and computing platforms.

The small QFN package maximizes board space efficiency.

In summary, the FAN3122CMX provides an easy-to-use digitally controlled buck converter suitable for distributed power designs.


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