6-Channel PMIC with 2 Buck Converters and 4 LDOs


  • Two high-efficiency 1.2A Buck Converters
    • Wide input range: 2.7V to 5.5V
    • 0.6V to 3.3V output voltage with 12.5mV/step
    • +/-2.5% output accuracy over line/load/temp
    • Up to 97% peak efficiency
    • 2MHz fSW allows smaller inductor
    • PFM/PWM selectable for light load
    • Dual-Channel or Dual-Phase configurable
  • Four high-PSRR 300mA low-Iq LDOs
    • Two independent inputs
    • 1.2V to 3.5V output voltage with 25mV/step
    • Dropout Voltage <150mV typ.
    • Up to 80dB typ. PSRR at 1kHz
    • 75μVRMS typ. output noise from 10Hz to 100kHz
    • +/-2% output voltage accuracy
  • 140μA Iq under no load
  • Programable power on/off sequence
  • Programable buck switching frequency
  • Programable buck current limit
  • Short circuit protection and thermal shutdown
  • 400kHz/1MHz I2C serial interface
  • WLCSP-25 package, 2.42mm x 2.35mm
  • RoHS and Green Compliant


  • Smartphones, Tablets
  • Cameras, Camera Modules

Key Electrical Specifications

VIN (Min) VIN (Max) Buck Curent Max (A) Buck VOUT LDO Curent Max (mA) LDO VOUT Control Package
2.7V 5.5V 2 x 1.2A 0.6V – 3.3V 4 x 300mA 1.2V – 3.5V I2C WLCSP55-25 2.42mm x 2.35mm