MAXM17505

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4.5V-60V, 1.7A High-Efficiency, DC-DC Step-Down Power Module with Integrated Inductor

Highly Integrated DC-DC Power Module Enables Ease of Design and Small-Solution Footprint

Data Sheet (Rev. 3) Product Selection Table
Part Models
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Part Details

  • Reduces Design Complexity, Manufacturing Risks, and Time-to-Market
    • Integrated Switching Power Supply Controller and Dual-MOSFET Power Switches
    • Integrated Inductor
    • Integrated Compensation Components
  • Saves Board Space in Space-Constrained Applications
    • Complete Integrated Step-Down Power Supply in a Single Package
    • Small Profile 9mm x 15mm x 2.8mm SiP Package
    • Simplified PCB Design with Minimal External BOM Components
  • Offers Flexibility for Power-Design Optimization
    • Wide Input Voltage Range from 4.5V to 60V
    • Output-Voltage Adjustable Range from 0.9V to 12V
    • Adjustable Frequency with External Frequency Synchronization (100kHz to 1.8MHz)
    • Soft-Start Programmable
    • PWM, PFM, or DCM Current-Mode Control
    • Optional Programmable EN/UVLO
  • Operates Reliably in Adverse Industrial Environments
    • Integrated Thermal Fault Protection
    • Hiccup Mode Overload Protection
    • Active-Low RESET/Output-Voltage Monitoring
    • Wide Industrial Ambient Operating Temperature Range (-40°C to +125° C)/Junction Temperature Range (-40°C to +150°C)
    • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions
MAXM17505
4.5V-60V, 1.7A High-Efficiency, DC-DC Step-Down Power Module with Integrated Inductor
MAXM17505: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Application Note 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

MAXM17505EVKIT

Evaluation Kit for MAXM17505 5V Output

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Features and Benefits

  • Highly Integrated Solution with Integrated Shield Inductor
  • Wide 11V to 60V Input Range
  • Preset 5V Output with a Fixed Resistor Divider on FB (Feedback Pin)
  • Programmable Output-Voltage Feature (0.9V to 12V)
  • Up to 1.7A Output Current
  • High 93.3% Efficiency (VIN = 12V, VOUT = 5V at 0.74A)
  • 500kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Selectable PWM, PFM, or DCM Mode
  • Open-Drain Active-Low RESET Output
  • External Frequency Synchronization
  • Overcurrent and Overtemperature Protection
  • Low-Profile, Surface-Mount Components
  • Lead(Pb)-Free and RoHS Compliant
  • Fully Assembled and Tested

Product Details

The MAXM17505 evaluation kit (EV kit) is a demonstration circuit of the MAXM17505 high-voltage, high-efficiency, current-mode scheme, synchronous step-down DC-DC switching power module. The EV kit is designed for 5V output and delivers up to 1.7A load current from a wide input-voltage range of 11V to 60V. The EV kit switches at an optimal 500kHz switching frequency to allow the use of small component-sizes, helping to minimize solution-size while maintaining high- performance. The EV kit provides a precision-enable input, an open-drain active-low RESET output signal, and external frequency synchronization to provide a simple and reliable startup sequence and eliminate beat frequency between regulators. The EV kit also includes optional component footprints to program different output voltages, an adjustable input undervoltage-lockout, and a soft-start time to control inrush current during startup. The MAXM17505 IC data sheet provides a complete description of the part that should be read in conjunction with this data sheet prior to modifying the demo circuit.

Applications

  • Distributed Supply Regulation
  • FPGA and DSP Point-of-Load Regulator
  • HVAC and Building Control
  • Industrial Power Supplies
MAXM17505EVKIT
Evaluation Kit for MAXM17505 5V Output

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