MAX17541G

PRODUCTION

42V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter

42V Synchronous Buck Converter with Internal FETs Enables High Efficiency

Data Sheet (Rev. 1) Product Selection Table
Part Models
2
1ku List Price
Starting From $1.66
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Part Details

  • Reduces External Components and Total Cost
    • No Schottky-Synchronous Operation
    • All-Ceramic Capacitors, Ultra-Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4.5V to 42V Input
    • Adjustable 0.9V to 92%VIN Output
    • Delivers up to 500mA
  • Reduces Power Dissipation
    • Peak Efficiency > 90%
    • Shutdown Current = 0.9µA (typ)
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
    • Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
    • Programmable EN/UVLO Threshold
    • Adjustable Soft-Start and Prebiased Power-Up
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
MAX17541G
42V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter
MAX17541G: Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Buck Regulators 1
MAX17542G
PRODUCTION 42V, 1A, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter
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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

MAX17541GTAEVKIT

Evaluation Kit for the MAX17541G in 3.3V Output-Voltage Application

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Features and Benefits

  • Operates from a 5V to 42V Input Supply
  • 3.3V Output Voltage
  • 500mA Output Current
  • 600kHz Switching Frequency
  • Enable/UVLO Input
  • Resistor-Programmable UVLO Threshold
  • Open-Drain Active-Low RESET Output
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17541G 3.3V EV kit provides a proven design to evaluate the MAX17541G 3.3V high-efficiency, high-voltage, synchronous step-down DC-DC converter. The EV kit generates 3.3V at load currents up to 500mA from a 5V to 42V input supply. The EV kit features a 600kHz fixed switching frequency for optimum efficiency and component size. The EV kit features a forced-PWM control scheme that provides constant switching-frequency operation at all load and line conditions.

Applications

  • Base Station, VOIP, Telecom
  • Battery-Powered Equipment
  • General-Purpose Point of Load
  • Home Theatre
  • HVAC and Building Control
  • Industrial Process Control
MAX17541GTAEVKIT
Evaluation Kit for the MAX17541G in 3.3V Output-Voltage Application

Reference Designs

MAXREFDES1019
MAXREFDES1019
MAXREFDES1019 Circuits from the lab

Multiple-Output, DC-DC Converter using Buck Regulators

View Detailed Reference Design

Features and Benefits

MAX17541G

  • Reduced Power Dissipation
  • Peak Efficiency > 90%
  • Shutdown Current = 0.9μA (typ)
  • Operates Reliably in Adverse Industrial Environments
  • Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
  • Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
  • Programmable EN/UVLO Threshold
  • Adjustable Soft-Start and Prebiased Power-Up
  • -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

MAX17504

  • 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
  • Peak Efficiency > 90%
  • PFM and DCM Modes Enable Enhanced Light-Load Efficiency
  • 2.8μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
  • Hiccup Mode Overload Protection
  • Adjustable Soft-Start and Prebiased Power-Up
  • Built-In Output-Voltage Monitoring with RESET
  • Programmable EN/UVLO Threshold
  • -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
MAXREFDES1019
Multiple-Output, DC-DC Converter using Buck Regulators
MAXREFDES1019

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