MAX38650

RECOMMENDED FOR NEW DESIGNS

Tiny 1.8V to 5.5V Input, 390nA IQ, 100mA nanoPower Buck Converter with 100% Duty Cycle Operation

Industry’s Only High Efficiency, 100% Duty Cycle Buck with nanoPower

Data Sheet (Rev. 1)
Product Selection Table
Part Models
2
1ku List Price
Starting From $0.87
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Part Details

  • Extends Battery Life
    • 390nA Ultra-Low Quiescent Supply Current
    • 5nA Shutdown Current
    • 95% Peak Efficiency and over 85% at 10μA
  • Easy to Use—Addresses Popular Operation
    • 1.8V to 5.5V Input Range
    • Single Resistor-Adjustable VOUT from 1.2V to 3.3V (MAX38650A)
    • Preprogrammed VOUT from 1.2V to 5V (MAX38650B) in steps of 50mV
    • 100% Duty Cycle Mode for Low Dropout Operation
    • ±1.5% Output Voltage Accuracy
    • 100mA Load Current
  • Protects System in Multiple Use Cases
    • Reverse-Current Blocking in Shutdown
    • Active Discharge Feature
  • Reduces Size and Increases Reliability
    • -40°C to +125°C Operating Temperature Range
    • 1.58mm x 0.89mm, 0.4mm Pitch, 6-Pin (2 x 3) WLP
MAX38650
Tiny 1.8V to 5.5V Input, 390nA IQ, 100mA nanoPower Buck Converter with 100% Duty Cycle Operation
MAX38650: Typical Operating Circuit
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Documentation

Data Sheet 1

Technical Articles 1

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Software Resources

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Tools & Simulations

EE-Sim Power® Tools 1

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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Evaluation Kits

MAX38650AEVK-WLP

Evaluation Kit for the MAX38650

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Features and Benefits

  • Evaluates the MAX38650A IC in a (1.58mm x 0.89mm, 0.4mm Pitch) 6-Pin WLP Package
  • 1.8V to 5.5V Input Range
  • 1.2V to 3.3V Configurable Output Voltage
  • Up to 100mA Output Current
  • Proven 2-Layer 1oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested

Product Details

The MAX38650A WLP evaluation kit (EV kit) evaluates the MAX38650A IC in a WLP package. The MAX38650A is an ultra-low quiescent current step-down DC-DC converter. The EV kit operates from an input range of 1.8V to 5.5V and provides resistor-configurable output voltages from 1.2V to 3.3V. The EV kit delivers up to 100mA of current. The EV kit comes with the MAX38650AANT+ installed.

Applications

  • Low-Voltage Industrial Applications
  • Portable Space-Constrained Consumer Products
  • Single Li-ion and Coin Cell Battery Products
  • Wearable Devices, Ultra-Low-Power IoT, NB IoT, and Bluetooth Low Energy (BLE)
  • Wired, Wireless, Industrial Products
MAX38650AEVK-WLP
Evaluation Kit for the MAX38650

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