1. Products
  2. Power Monitor, Control, and Protection
  3. High-Side Switches and MOSFET Drivers
  4. MAX17491


Features and Benefits

  • Single-Phase Synchronous MOSFET Driver
  • 0.5Ω Low-Side On-Resistance
  • 0.7Ω High-Side On-Resistance
  • 10ns Minimum Guaranteed Dead Time
  • Integrated Boost "Diode"
  • 2V to 24V Input Voltage Range
  • Selectable Pulse-Skipping Mode
  • Low-Profile, 3mm x 3mm, TQFN Package

Product Details

The MAX17491 is a single-phase synchronous noninverting MOSFET driver. The MAX17491 is intended to work with controller ICs like the MAX8736, MAX8786, or MAX17030 in multiphase notebook CPU core regulators.

The regulators can either step down directly from the battery voltage to create the core voltage or step down from the main system supply. The single-stage conversion method allows the highest possible efficiency, while the 2-stage conversion at higher switching frequency provides the minimum possible physical size.

The low-side driver is optimized to drive 3nF capacitive loads with 4ns/8ns typical fall/rise times, and the high-side driver with 8ns/10ns typical fall/rise times. Adaptive dead-time control prevents shoot-through currents and maximizes converter efficiency.

The MAX17491 features improved zero crossing and UVLO performance over the MAX8791/MAX8791B.

The MAX17491 is available in a small, lead-free, 8-pin, 3mm x 3mm, TQFN package.


  • CPU Core Power Supplies
  • Multiphase Step-Down Converters
  • Notebooks/Desktops/Servers

Product Lifecycle icon-recommended Production

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.

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.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX17491GTA+ Material Declaration Reliability Data 8-LFCSP-3X3X0.75
MAX17491GTA+T Material Declaration Reliability Data 8-LFCSP-3X3X0.75
Wafer Fabrication Data MAX17491 Reliability Data

Sample & Buy

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Buy Now Pricing

(**) Displayed Buy Now Price and Price Range is based on small quantity orders.


List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

Please see the latest communication from our CCO regarding lead times.



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