Data Sheet Rev. 10
Interactive Data Sheet
EE-Sim Design & Simulation
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Overview

Features and Benefits

  • 2-Channel High-Efficiency DC-DC Controller in a Small Solution Size
    • 3.0V to 5.5V Operating Supply Voltage
    • OUT1 Supports 24A (with Two Phases)
    • OUT2 Supports 12A
  • High-Precision Regulator for Applications Processors
    • ±2% Output-Voltage Accuracy
    • Differential Remote Voltage Sensing
    • I2C-Controlled Output Voltage: 0.5V to 1.27V in 10mV Steps
    • 0.625V to 1.5875V in 12.5mV Steps
    • Excellent Load-Transient Performance
  • Low-Noise Features Reduce EMI
    • 2.2MHz Operation
    • Spread-Spectrum Option
    • Frequency-Synchronization Input/Output
    • Current-Mode, Forced-PWM, and Skip Operation
  • Robust for the Automotive Environment
    • Individual Enable Inputs and PGOOD Outputs
    • Low RDS(ON) External FETs
    • Overtemperature and Short-Circuit Protection
    • 32-Pin (5mm × 5mm) TQFN with Exposed Pad
    • -40°C to +125°C Operating Temperature Range
    • AECQ-100 Qualified

Product Details

The MAX20012B is a dual-output, high-efficiency synchronous step-down controller IC that operates with a 3.0V to 5.5V input voltage range and provides a 0.5V to 1.5875V output voltage range. The controller architecture enables up to 12A of load current per phase. Channel 1 has an option to operate with two phases to deliver higher load current, making this device ideal for automotive point-of-load (PoL) and post-regulation applications.

The IC achieves ±2% output error over load, line, and temperature ranges. The IC features a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes external components. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions.

The MAX20012B is offered with factory-preset output voltages (see the Selector Guide for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates for each channel. Other features include programmable soft-start, overcurrent, and overtemperature protections.

Applications

  • Automotive
  • Core Processor System/GPU Power

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Documentation & Resources

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    Tools & Simulations

    EE-Sim Power® Tools

    The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

    MAX20012B Material Declaration
    Quality And Reliability
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    PCN-PDN Information

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