MAXM17761

4.5V to 76V, 1A 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


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Description

The Himalaya series of voltage regulator ICs and Power Modules enable cooler, smaller, and simpler power supply solutions. The MAXM17761 is an easy-to-use power module that combines a synchronous step down DC-DC converter with integrated FETs ,a fully shielded inductor, and the compensation components into a low-profile, thermally-efficient, system-in-package (SiP). The device operates over a wide input voltage range of 4.5V to 76V and delivers up to 1A continuous output current with excellent line and load regulation over an output voltage range of 0.8V to 5V. The device only requires five external components to complete the total power solution. The high level of integration significantly reduces design complexity, manufacturing risks, and offers a true plug-and-play power supply solution, reducing time-to-market.

The device offers resistor programmable switching frequency, active-low RESET output voltage monitoring, adjustable input undervoltage lockout and programmable soft-start. The device also features robust overload protection and a thermal shutdown function.

The MAXM17761 is available in a low-profile, highly thermal-emissive, compact, 28-pin 6.5mm x 10mm x 2.92mm SiP package that reduces power dissipation in the package and enhances efficiency. The package is easily soldered onto a printed circuit board and is suitable for automated circuit board assembly. The device can operate over the full industrial temperature range from -40°C to +125°C.

MAXM17761: Typical Application Circuit MAXM17761: Typical Application Circuit Enlarge+

Key Features

  • Reduces Design Complexity, Manufacturing Risks, and Time-to-Market
    • Synchronous Step-Down DC-DC Converter With Integrated FETs
    • Integrated Inductor
    • Integrated Compensation Components
  • Saves Board Space in Space-Constrained Applications
    • Complete Integrated Step-Down Power Supply in a Single Package
    • Small Profile 6.5mm x 10mm x 2.92mm SiP Package
    • Simplified PCB Design with Minimal External BOM Components
  • Offers Flexibility for Power-Design Optimization
    • Wide Input Voltage Range from 4.5V to 76V
    • Output-Voltage Adjustable Range from 0.8V to 5V
    • Adjustable Frequency with External Synchronization (180kHz to 537kHz)
    • Soft-Start Programmable
    • Optional Programmable EN/UVLO
  • Operates Reliably in Adverse Industrial Environments
    • Integrated Thermal Fault Protection
    • Robust Overcurrent Protection
    • Active-Low RESET Output Voltage Monitoring
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Applications/Uses

  • Base Station Point-of-Load Regulator
  • Distributed Supply Regulation
  • FPGA and DSP Point-of-Load Regulator
  • HVAC and Building Control
  • Industrial Power Supplies

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAXM17761EVKIT: Evaluation Kit for the MAXM17761 5V Output-Voltage Application

Tools & Models

  • EE-Sim: Design & Simulate MAXM17761
  • MAXM17761 SIMPLIS Schematic
  • Request Reliability Report for: MAXM17761 
    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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    Type ID Title
    Evaluation Board9551MAXM17761EVKIT Evaluation Kit for the MAXM17761 5V Output-Voltage Application