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

Key Benefits

  • High efficiency, PFM modulating
  • Programmable output voltage
  • Output current limiter
  • Configurable output stage for optimized area adapted to load current
  • Embedded power pads with ESD protections and HV-tolerant
  • Embedded Voltage Reference
  • Embedded power pads with ESD protections
  • Embedded soft-start solution
  • Embedded Regulation OK output
  • Very low output ripple voltage
  • Active/Shutdown modes set by EN input and High impedance output
  • mode set by HIZ input

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 1.8 V 5.5 V
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

  • 350 nA Quiescent current (for I200HDO configurations)
  • 20 nA shutdown current (for I200HDO
  • configurations)
  • Up to 90 % peak efficiency (3.3VIN to 1.8VOUT )
  • Up to 80 % peak efficiency (3.3VIN to 0.8VOUT )
  • 85 % efficiency down to 0.001 IMAX (3.3VIN to 1.8 VOUT )
  • 70 % efficiency for 10uA of load (for I200HDO configurations)
  • 3 % DC output voltage accuracy

Technical information

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