Nano power DC-DC converter in GF 22FDX with ultra-low quiescent current and high efficiency at light load, supporting 1.62V to 3.63V input voltage

Key Benefits

  • Ultra-low quiescent current (250 nA) to ensure minimum current consumption in deep sleep / hibernation mode
  • High efficiency at light load to extend battery lifetime
  • Low ripple value to supply noise sensitive and RF loads
  • 1 uH inductor
  • Ultra-small area for reduced silicon cost

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 1.62 V 3.63 V
Output Voltage
- 0.55 V 3.3 V
Output current configuration
- - 100 mA;10 mA;200 mA;300 mA;30 mA;400 mA;500 mA;50 mA -

Applications

  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • ULP MCU
  • Voice-controlled devices
  • Voice Assistant
  • WiFi

Key Performances

  • Input voltage from 1.62V to 3.63V
  • Output voltage from 0.5V to 2.5V (programmable)
  • 250 nA quiescent current
  • 87% peak efficiency (3.3V -> 0.8V)
  • 75% efficiency @ 10 uA
  • 5 mVpp output ripple

Technical information

  • Technology: GlobalFoundries 22 FDX
  • Add-ons:
    • -