FAN53703: 1.0A Synchronous Buck Regulator

Description: The FAN5370X is a Super Low Iq, step−down switchin...
  • The FAN5370X is a Super Low Iq, step−down switching voltage regulator, that delivers a fixed output from an input voltage supply of 2.3 V to 5.5 V. Using a proprietary architecture with synchronous rectification, the FAN5370X is capable of delivering a peak efficiency of 93%, while maintaining efficiency over 90% at load currents as low as 1 mA.
  • Features
  • 2μA Typical Quiescent Current
  • 5.5mm2 total solution size
  • 1.0 A Output Current Capability
  • 0.6 V to 3.3 V Fixed Output Voltage
  • 2.3 V to 5.5 V Input Voltage Range
  • Best−in−Class Load Transient Response
  • Best−in−Class Efficiency with Sub 1 mA Output Currents
  • Internal Soft−Start Limits Battery Current Below 150 mA to Avoid
    Brown−out Scenarios
  • Protection Faults (UVLO, OCP and OTP)
  • Thermal Shutdown and Overload Protection
  • Applications
  • Wearables
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  • Cellular Phones, Smart Phones, and PDAs
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  • Technical Documentation & Design Resources
    Availability and Samples
    FAN53703UC48X
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: 1.0A Synchronous Buck Regulator, 3.0V
  • Package Type: WLCSP-6
  • Package Case Outline: 567UH
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • Inventory

  • Market Leadtime (weeks):17 to 20
  • Arrow:0
  • Mouser:>1K
  • ON Semiconductor:21,000
  • Specifications
  • Topology: Step-Down 
  • Control Mode: Voltage Mode 
  • VCC Min (V): 2.3 
  • VCC Max (V): 5.5 
  • VO Typ (V):
  • IO Typ (A):
  • Efficiency (%): 90 
  • fSW Typ (kHz): 2500 
  • Package Type: WLCSP-6 
  • ON Semiconductor Full Web Site