3.0Mhz High Efficiency, Low IQ Synchronous Boost Converter


  • Wide Input Voltage Range: 2.5V – 5.5V
  • Output Voltage Options: 3.0V – 5.7V with default 5.0V*.
  • Up to 1.0A Output Current
  • 3MHz PWM Switching Frequency
  • High Efficiency and Low Quiescent Current
    • Over 94% Efficiency
    • 1µA Shutdown Current
    • 35µA Quiescent Current in Pass Through
    • 60µA Quiescent Current in PFM Operation
  • ±2% DC Voltage Accuracy in PWM mode
  • Undervoltage Lockout (UVLO)
  • Short Circuit Protection
  • Hiccup Current Limit
  • Over Temperature Protection
  • Selectable Pass Through Mode or True Load Disconnect During Shutdown
  • Output Capacitor Pre-Charge and Soft-Start
  • Pb-free 9-Bump, WLCSP 1.38mm x 1.38mm
  • RoHS and Green Compliant
  • -40°C to 85°C Operating Temperature Range


  • Smartphones and Tablets
  • Mobile Internet Devices
  • Wearables
  • Portable Devices

Key Electrical Specifications

Vin(Min) Vin(Max) Vout Iout IQ Control FSW Package
2.7V 5.5V 3.0V – 5.7V: default 5.0V* 1.0A 60µA EN 3.0MHz WLCSP-9

*Contact sales for other options

Typical Application Diagram