Data Sheet Rev. 2
EE-Sim Design & Simulation
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Overview

Features and Benefits

  • Reduces External Components and Total Cost
    • No Schottky-Synchronous Operation
    • Internal Compensation for Any Output Voltage
    • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4.5V to 60V Input
    • Adjustable Output Voltage Range from 0.9V up to 90% of VIN
    • 100kHz to 2.2MHz Adjustable Switching Frequency with External Clock Synchronization
  • Reduces Power Dissipation
    • Peak Efficiency of 94.8%
    • PFM and DCM Modes Enable Enhanced Light-Load Efficiency
    • Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
    • 2.8µA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup Mode Overload Protection and Auto-Retry Startup
    • Adjustable Soft-Start
    • Built-In Output-Voltage Monitoring with Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Monotonic Startup Into Prebiased Output Load
    • Overtemperature Protection
    • Wide -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

Product Details

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power supply solutions. The MAX17576, high-efficiency, high-voltage, Himalaya synchronous step-down DC-DC converter with integrated MOSFETs operates over an input voltage range of 4.5V to 60V. The converter can deliver up to 4A current. Output voltage is programmable from 0.9V up to 90% of VIN. The feedback voltage regulation accuracy over -40°C to +125°C is ±0.9%. Built-in compensation across the output-voltage range eliminates the need for external compensation components.

The MAX17576 features a peak-current-mode control architecture. The device can operate either in constantfrequency based pulse-width modulation (PWM) or pulsefrequency modulation (PFM), or discontinuous-conduction mode (DCM) control schemes. A programmable soft-start feature allows users to reduce input inrush current. The device also incorporates an enable/input undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input voltage level. The MAX17576 offers a low minimum on time that allows high switching frequencies and a small solution size.

The MAX17576 is available in a 24-pin (4mm x 5mm) TQFN-EP package. Simulation models are available.

Applications

  • Industrial Control Power Supplies
  • General Purpose Point-of-Load
  • Distributed Supply Regulation
  • Base Station Power Supplies
  • Wall Transformer Regulation
  • High-Voltage, Single-Board Systems

Product Categories

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (2)

Documentation & Resources

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  • Data Sheets (1)
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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.

    MAX17576 Material Declaration
    Quality And Reliability
    Symbols and Footprints

    Support & Discussions

    MAX17576 Contact ADI Technical Support »
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    MAX17576 Contact ADI Technical Support » MAX17576 Ask your question »

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