MAX77324

RECOMMENDED FOR NEW DESIGNS

4.8VIN, 1.5A High-Efficiency, Ultra-Small Buck Converter

Ultra-small 6.89mm2 total solution 1.5A buck converter with 93% efficiency for single cell battery applications

Data Sheet (Rev. 3) Product Selection Table
Part Models
4
1ku List Price
Starting From $0.44
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Part Details

  • 1.5A Output Current Step-down Converter
  • 2.5V to 4.8V VIN Range
  • 0.6V to 2V Adjustable VOUT Range, ±2% Accuracy
  • MAX77324EWTAD+
    • Skip Mode for High Light-Load Efficiency
    • 40µA Quiescent Current
  • MAX77324GEWTAD+
    • PWM Mode Only
  • 93% Peak Efficiency (3.8VIN, 1.8VOUT)
  • 1µA Shutdown Current
  • 2MHz Nominal Switching Frequency
  • Enable Pin for Direct Hardware Control
  • Cycle-by-Cycle Inductor Current Limit
  • UVLO, Soft-Start, Active Output Discharge, Short-Circuit, and Thermal Shutdown Protections
  • 1.22mm x 0.85mm, 6-Bump WLP
    • 6.89mm2 Total Solution Area
    • Uses Small 0603 0.47µH Inductor
MAX77324
4.8VIN, 1.5A High-Efficiency, Ultra-Small Buck Converter
MAX77324 Block Diagram MAX77324 Pin Configuration
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 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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SIMPLIS Models 1

Evaluation Kits

eval board
schematic 1
MAX77324EVKIT

Evaluation Kit for the MAX77324

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Features and Benefits

  • Proven PCB Reference Design and Layout
  • Fully Assembled and Tested
  • Sense Points for High-Accuracy Measurements
  • Test Point and Jumper for Enable

Product Details

The MAX77324 evaluation kit (EV kit) provides a proven design to evaluate a high-efficiency synchronous stepdown DC-DC converter with integrated MOSFETs that operate over a 2.5V to 4.8V input voltage range, 0.6V to 2V output voltage range, and supports up to 1.5A of load current. The device automatically transitions between PWM and SKIP modes of operation when the load condition changes.

Applications

  • 1-Cell Battery Powered Equipment
  • Internet of Things (IoT) Devices
  • Portable/Wearables
  • Space Constrained Equipment
MAX77324EVKIT
Evaluation Kit for the MAX77324
MAX77324EVKIT: Board Photo

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