MAX17245

PRODUCTION

3.5V–36V, 3.5A, Synchronous Buck Converter With 28μA Quiescent Current and Reduced EMI

Extend Battery Life with Low Quiescent Current and Synchronous Conversion

Data Sheet (Rev. 0) Product Selection Table
Part Models
5
1ku List Price
Starting From $3.17
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Part Details

  • Eliminates External Components and Reduces Total Cost
    • Integrated High-Side and Low-Side Switch Enables Synchronous Operation for High Efficiency and Reduced Cost
    • All-Ceramic Capacitor Solution Allows Ultra-Compact Solution Size
    • 220kHz to 2.2MHz Adjustable Frequency with External Synchronization
    • Power Good Output and High-Voltage EN Input Simplify Power Sequencing
  • Increases Design Flexibility
    • 180° Out-of-Phase Clock Output at SYNCOUT Enables Cascaded Power Supplies for Increased Power Output
    • Fixed Output Voltage with ±2% Accuracy (5V/3.3V) or Externally Resistor Adjustable (1V to 10V)
  • Reduces Power Dissipation
    • >90% Peak Efficiency
    • PWM and PFM Operation Optimizes Conversion Efficiency From Heavy to Light Loads
    • Automatic LX Slew-Rate Adjustment for Optimum Efficiency Across Operating Frequency Range
    • Low 5µA (typ.) Shutdown Current
    • Low 28µA (typ.) Quiescent Current
  • Operates Reliably
    • 42V Input Voltage Transient Protection
    • Fixed 8ms Internal Software Start Reduces Input Inrush Current
    • Cycle-by-Cycle Current limit, Thermal Shutdown with Automatic Recovery
    • Reduced EMI Emission with Spread-Spectrum Control
MAX17245
3.5V–36V, 3.5A, Synchronous Buck Converter With 28μA Quiescent Current and Reduced EMI
MAX17245: Internal Block Diagram
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Documentation

Data Sheet 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Buck Regulators 1
MAX17244
PRODUCTION 3.5V–36V, 2.5A, Synchronous Buck Converter With 28μA Quiescent Current and Reduced EMI
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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

MAX17245EVKIT

Evaluation Kit for the MAX17245

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Features and Benefits

  • Wide 6V to 36V Input Supply Range
  • Forced-PWM or Skip-Mode Operation
  • Configurable Switching Frequency
  • Current-Mode Controller with Force-PWM and Skip Modes
  • 84% Peak Efficiency at 12V Input in Skip-Mode
  • 88% Peak Efficiency at 12V Input in Forced-PWM
  • FSYNC Input and Power-Good Output
  • Proven 4-Layer 2oz Copper PCB Layout
  • Demonstrates 1065mil × 795mil Solution Size
  • Fully Assembled and Tested

Product Details

The MAX17245 evaluation kit (EV kit) demonstrates the MAX17245 high-voltage, current-mode step-down converter with low operating current. The EV kit operates over a wide 6V to 36V input range and the output is set for 5V at 3.5A.

The EV kit comes with the MAX17245ETESA+ installed.

Applications

  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • Wall Transformer Regulation
MAX17245EVKIT
Evaluation Kit for the MAX17245

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