FAN53540UCX – 5MHz, 3A Synchronous Buck Regulator

Technical Specifications:

• Type: Synchronous Buck Regulator
• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 4.95V (adjustable)
• Output Current: 5A (max)
• Switching Frequency: 2.4MHz
• Operating Temperature Range: -40°C to 85°C
• Package Type: WLCSP-20 (1.6×2.0mm), surface-mount

Product Features:

• High Current Output: Delivers up to 5A continuous current with over 90% efficiency.
• Adjustable Voltage: Output adjustable from 0.8V to 4.95V via external resistors.
• High Switching Frequency: Operates at 2.4MHz, minimizing inductor and capacitor sizes.
• Synchronous Rectification: Enhances efficiency across a wide load range, down to 2mA.
• Wide Input Range: Supports input voltages from 2.7V to 5.5V, ideal for battery-powered systems.
• Low Component Count: Requires only a 470nH inductor and 20µF capacitor for operation.
• Compact Package: Housed in a 20-pin WLCSP (1.6x2.0mm) for ultra-small designs.