MAX17524

RECOMMENDED FOR NEW DESIGNS

4.5V to 60V, Dual 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter

Industry's First 60V, 3A Dual Synchronous Step-Down DC-DC Converter

Data Sheet (Rev. 1) Product Selection Table
Part Models
2
1ku List Price
Starting From $4.84
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Part Details

  • Reduces External Components and Total Cost
    • No Schottky - Synchronous Operation
    • Internal Compensation Components
    • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4.5V to 60V Input
    • Adjustable Output Range from 0.9V up to 90% of VIN
    • Delivers up to 3A on Each Output Over the Temperature Range
    • 100kHz to 1.1MHz Adjustable Frequency with External Clock Synchronization
    • Available in a 32-Pin, 5mm x 5mm TQFN Package
  • Independent Input-Voltage Pins for Each Output
  • Reduces Power Dissipation
    • Peak Efficiency of 94.4%
    • PFM and DCM Modes Enable Enhanced Light-Load Efficiency
    • Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
    • 5.2μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Overload Protection
    • Independent Adjustable Soft-Start Pin and Programmable EN/UVLO Pin for Each Output
    • Monotonic Startup with Prebiased Output Voltage
    • Built-in Independent Output-Voltage Monitoring with Active-Low RESET for Each Output
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction
MAX17524
4.5V to 60V, Dual 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter
MAX17524: Functional 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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SIMPLIS Models 1

Evaluation Kits

MAX17524EVKITE

Evaluation Kit for the MAX17524 Dual-Output Voltage 3.3V and 5V Application

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Features and Benefits

  • Operates from a 6.5V to 60V Input Supply
  • Dual Output Voltage: 3.3V and 5V
  • Up to 3A Output Current per Converter
  • 450kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • MODE/SYNC Pin to Select Among PWM, PFM, or DCM Modes
  • Open-Drain Active-Low RESET Output
  • External Clock Synchronization
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

The MAX17524EVKITE# (EV kit) provides a proven design to evaluate the MAX17524 high-efficiency, highvoltage, synchronous step-down dual DC-DC converter. The EV kit is preset to generate 3.3V and 5V output voltages, at load currents up to 3A per converter and features a 450kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, opendrain active-low RESET signal, and external clock synchronization. The EV kit also provides a good layout example that is optimized for conducted, radiated EMI and thermal performance. For more details about the IC benefits and features, refer to MAX17524 IC data sheet.

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High-Voltage Single-Board Systems
  • Industrial Control Power Supplies
  • Wall Transformer Regulation

MAX17524EVKIT

Evaluation Kit for the MAX17524 Dual-Output Voltage 3.3V and 5V Application

Buy Now View Details

Features and Benefits

  • Operates from a 6.5V to 60V Input Supply
  • Dual Output Voltage: 3.3V and 5V
  • Up to 3A Output Current Per Converter
  • 450kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • MODE/SYNC Pin to Select Among PWM, PFM, or DCM Modes
  • Open-Drain Active-Low RESET Output
  • External Frequency Synchronization
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17524 evaluation kit (EV kit) provides a proven design to evaluate the MAX17524 high-efficiency, highvoltage, synchronous step-down dual DC-DC converter. The EV kit is preset to generate 3.3V and 5V output voltages, at load currents up to 3A per converter and features a 450kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, and external frequency synchronization.

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High-Voltage Single-Board Systems
  • Industrial Control Power Supplies
  • Wall Transformer Regulation
MAX17524EVKITE
Evaluation Kit for the MAX17524 Dual-Output Voltage 3.3V and 5V Application
MAX17524EVKIT
Evaluation Kit for the MAX17524 Dual-Output Voltage 3.3V and 5V Application

Latest Discussions

46 Weeks Ago
RE: MAX17524 EXTVCC maximum current ??
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