Multi-Output DC-DC Regulator for Low Power LS1 Communication Processors

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Product Details

Block Diagram

VR5100 Block Diagram

VR5100 Multi-output DC-DC regulator Block Diagram


  • Three adjustable high efficiency buck regulators: 3.8 A, 1.25 A, 1.5 A
    • Selectable modes: PWM, PFM, APS
  • 5.0 V, 600 mA boost regulator with PFM or Auto mode
  • Six adjustable general purpose linear regulators
  • Input voltage range: 2.8 V to 4.5 V
  • OTP (One Time Programmable) memory for device configuration
    • Programmable start-up sequence and timing
    • Selectable output voltage, frequency, soft start
  • I2C control
  • Always ON RTC supply and Coin cell charger
  • DDR reference voltage
  • -40 °C to +125 °C operating junction temperature

Key Parametrics

  • MCU Supported
    LS1024A, LX2160
  • Output Current (A)
  • Number of Buck Regulators
  • Number of LDO
  • Interface and Input Control

Target Applications

  • Network attached storage (NAS)
  • Value IOT gateway
  • Mobile NAS
  • Industrial control
  • Home/Factory automation

Design Resources

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4 hardware offerings