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

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Block Diagram


VR5100 Multi-output DC-DC regulator Block Diagram


Key Features

  • 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 interface and input control
  • Always ON RTC supply and Coin cell charger
  • DDR reference voltage
  • -40 °C to +125 °C operating junction temperature
  • LS1024A and LX2160 MCU supported
  • Output current 2.75 A

Part numbers include: MC34VR5100A0EP, MC34VR5100A1EP, MC34VR5100A2EP.


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