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FAN53525 Key Features

  • Fixed-Frequency Operation: 2.4 MHz
  • Best-in-Class Load Transient
  • Continuous Output Current Capability: 3.0 A
  • 2.5 V to 5.5 V Input Voltage Range
  • Digitally Programmable Output Voltage
  • 0.600 V to 1.39375 V in 6.25 mV Steps
  • Programmable Slew Rate for Voltage Transitions
  • I2C-patible Interface Up to 3.4 Mbps
  • PFM Mode for High Efficiency in Light Load
  • Quiescent Current in PFM Mode: 50 µA (Typical)

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FAN53525 Description

The FAN53525 is a step-down switching voltage regulator that delivers a digitally programmable output from an input voltage supply of 2.5 V to 5.5 V. The output voltage is programmed through an I2C interface capable of operating up to 3.4 MHz. Using a proprietary architecture with synchronous rectification, the FAN53525 is capable of delivering 3.0 A continuous at over 80% efficiency, maintaining that efficiency at...