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  2. Power Monitor, Control, and Protection
  3. PowerPath, Ideal Diodes, and Load Switches
  4. MAX40200


Overview

Features and Benefits

  • Save Critical Voltage Drop in Portable Application
    • Drops Less Than 43mV at 500mA; 85mV at 1A
  • Longer Battery Life
    • Low Leakage When Reverse-Biased: 70nA (Typ), 1.5µA (Max)
    • Low Supply Quiescent Current: 7µA (Typ), 18µA (Max)
  • Saves Space Over Larger Schottky Diodes
    • Tiny 0.73mm x 0.73mm 4-bump WLP
    • SOT23-5 Package
  • Supply Voltage Range 1.5V to 5.5V
  • Thermally Self-Protecting
  • -40°C to +125°C Temperature Range

Product Details

The MAX40200 is an ideal diode current-switch that drops so little voltage that it approaches an order of magnitude better than Schottky diodes.

When forward-biased and enabled, the MAX40200 conducts with as little as 85mV of voltage drop while carrying currents as high as 1A. Typical voltage drop is 43mV at 500mA, with the voltage drop increasing linearly at higher currents. The MAX40200 thermally protects itself, and any downstream circuitry, from overtemperature conditions.

When disabled (EN = low) the MAX40200 blocks voltages up to 6V in either direction, making it suitable for most low-voltage, portable electronic devices. The MAX40200 operates from a supply voltage of 1.5V to 5.5V.

The MAX40200 is available in a tiny, 0.73mm X 0.73mm, 4-bump wafer-level package (WLP), with a 0.35mm bump pitch and only 0.5mm high and 5-pin SOT-23 package. The MAX40200 operates over the extended -40°C to +125°C temperature range.

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How to Add a Diode ORing or Battery Backup Circuit Using the MAX40200 Ideal Diode

Applications

  • Cellular Phones
  • Electronic Toys
  • Notebook and Tablet Computers
  • Portable Media Players
  • Portable/Wearable Medical Devices
  • USB-Powered Peripherals

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.

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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.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
MAX40200ANS+ Material Declaration Reliability Data 4-WLCSP-N/A
MAX40200ANS+T Material Declaration Reliability Data 4-WLCSP-N/A
MAX40200AUK+ Material Declaration Reliability Data 5-SOT_23-N/A
MAX40200AUK+T Material Declaration Reliability Data 5-SOT_23-N/A
Wafer Fabrication Data MAX40200 Reliability Data

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