MAXM38643

RECOMMENDED FOR NEW DESIGNS

Tiny, 1.8V to 5.5V Input, 330nA IQ, 600mA nanoPower Buck Module

NanoPower Buck Module with Industry’s Lowest IQ Extends Battery Life for Always-On Devices

Data Sheet (Rev. 0)
Product Selection Table
Part Models
2
1ku List Price
Starting From $1.43
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Part Details

  • Extends Battery Life
    • 330nA Ultra-Low Quiescent Supply Current
    • 1nA Shutdown Current
    • 96% Peak Efficiency and over 88% at 10μA
  • Easy to Use – Addresses Popular Operations
    • 1.8V to 5.5V Input Range
    • Single Resistor-Adjustable VOUT from 0.7V to 3.3V
    • Factory-Preprogrammed VOUT from 0.5V to 5V
    • ±1.75% Output Voltage Accuracy
    • Up to 600mA Load Current Capability
  • Protects System in Multiple Use Cases
    • Reverse-Current Blocking in Shutdown
    • Active Discharge Feature
  • Reduces Size and Increases Reliability
    • -40°C to +85°C Temperature Range
    • 2.1mm x 2.6mm, 10-Lead eMGA Package
MAXM38643
Tiny, 1.8V to 5.5V Input, 330nA IQ, 600mA nanoPower Buck Module
MAXM38643: Simplified Application Diagram
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Documentation

Data Sheet 1

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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

eval board
schematic 1
MAXM38643AEVK-EMGA

Evaluation Kit for the MAXM38643

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Features and Benefits

  • Evaluates the MAXM38643A IC in a (2.1mm x 2.6mm) 10-pin EMGA Package
  • 1.8V to 5.5V Input Range
  • 0.7V to 3.3V Resistor-Configurable Output Voltages
  • Up to 600mA Output Current
  • Proven 2-Layer 1oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested

Product Details

The MAXM38643A EMGA evaluation kit (EV kit) evaluates the MAXM38643A IC in an EMGA package. The MAXM38643A is an ultra-low quiescent current step-down DC-DC converter. The EV kit operates over an input range of 1.8V to 5.5V and provides resistor-configurable output voltages from 0.7V to 3.3V. The EV kit delivers up to 600mA of current. The EV kit comes with the MAXM38643AEMB+ installed.

Applications

  • Bluetooth® LE Devices
  • Hearables
  • Portable Space-Constrained Products
  • Single Li+ and Coin Cell Battery Products
  • Ultra-Low-Power IoT, NB IoT
  • Wearables
  • Wired, Wireless Products

MAXESSENTIAL02EP

Essential Analog Efficient Power Toolkit for the MAXM38643 / MAX38640 / MAX77839 / MAXM17225 / MAX17227A / MAX38889 / MAX38902C / MAX38913 / MAX77827

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Features and Benefits

  • Enables Immediate Testing of Nine Different Power Solutions
  • Includes nanoPower Buck and Boost Converters and Modules, Buck/Boost Converter, LDOs, and Continua Supercapacitor Backup Power Controller
  • Boards Designed to Accept 0.100” (2.54mm) Header Pin Strips for Mounting on Breadboards
  • Through Holes Accept Test Points for Connecting to Benchtop Equipment

Product Details

The MAXESSENTIAL02EP Essential Analog Efficient Power toolkit delivers products on ready-to-use boards for immediate testing and prototyping. The Essential Analog Efficient Power toolkit features products from the Buck, Boost, Buck-Boost, LDO, and Continua™ product categories. The selection also features nanoPower switching converter and module options.
MAXM38643AEVK-EMGA
Evaluation Kit for the MAXM38643
MAXM38643AEVK-EMGA: Board Photo
MAXESSENTIAL02EP
Essential Analog Efficient Power Toolkit for the MAXM38643 / MAX38640 / MAX77839 / MAXM17225 / MAX17227A / MAX38889 / MAX38902C / MAX38913 / MAX77827

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