Nano power DC-DC converter in SMIC 40EF with ultra-low quiescent current and high efficiency at light load

Key Benefits

  • "Ultra-low quiescent current to ensure minimum current consumption in deep sleep / hibernation mode
  • High efficiency at light load to extend battery lifetime
  • Programmable output voltage
  • 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
- 1.8 V 5.5V
Output Voltage
- 0.6 V 3.3 V
Output current configuration
- - 1000 mA;200 mA;400 mA;600 mA;800 mA -

Applications

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

Key Performances

  • Input voltage from 1.8V to 5.5V
  • 350 nA quiescent current
  • Up to 87% peak efficiency (3.3 input voltage to 1.8V output)
  • 70% efficiency at 10uA load
  • 3% DC output voltage accuracy
  • 150 nA shutdown current

Technical information

  • Technology: SMIC 40 eFlash
  • Add-ons:
    • OPM-G2-1.8-5.5-2.6.01_TSMC_22_ULL