MAX17630

PRODUCTION

4.5V to 36V, 1A, High-Efficiency, Synchronous Step-Down DC-DC Converter

A High-Efficiency, High-Voltage, Synchronous Step-Down DC-DC Converter with Integrated MOSFETs

Data Sheet (Rev. 0) Product Selection Table
Viewing:

Overview

  • 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 36V Input
    • Adjustable Output Voltage Range from 0.9V Up to 90% of VIN
    • Delivers Up to 1A Over the Temperature Range
    • 400kHz to 2.2MHz Adjustable Frequency with External Clock Synchronization
    • Available in a 16-Pin, 3mm x 3mm TQFN Package
  • Reduces Power Dissipation
    • Peak Efficiency of 95%
    • PFM and DCM Modes Enable Enhanced Light-Load Efficiency
    • Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
    • 2.8μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Overload Protection
    • Adjustable and Monotonic Startup with Prebiased Output Voltage
    • Built-in Output-Voltage Monitoring with Active Low RESET
    • Programmable EN/UVLO Threshold
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range

The MAX17630 is a high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operating over an input-voltage range of 4.5V to 36V. It can deliver up to 1A current. The MAX17630 is available in three variants, MAX17630A, MAX17630B, and MAX17630C. The MAX17630A and MAX17630B are fixed 3.3V and fixed 5V output parts, respectively. The MAX17630C is an adjustable output voltage (0.9V up to 90% of VIN) part. Built-in compensation across the output-voltage range eliminates the need for external compensation components.

The MAX17630 features peak-current-mode control architecture. The device can be operated in forced pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous-conduction mode (DCM) to enable high efficiency under full-load and light-load conditions. The MAX17630 offers a low minimum on-time that allows high switching frequencies and a smaller solution size.

The feedback-voltage regulation accuracy over -40°C to +125°C for the MAX17630A/MAX17630B/MAX17630C is ±1.2%.The device is available in a 16-pin (3mm x 3mm) TQFN package. Simulation models are available.

Applications

  • Industrial Control Power Supplies
  • General-Purpose Point-of-Load
  • Distributed Supply Regulation
  • Base Station Power Supplies
  • Wall Transformer Regulation
  • High Voltage Single-Board Systems
MAX17630
4.5V to 36V, 1A, High-Efficiency, Synchronous Step-Down DC-DC Converter
MAX17630: Typical Application Circuit
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet 1

Learn More
Add to myAnalog

Add media to the Resources section of myAnalog, to an existing project or to a new project.

Create New Project

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

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.

Start EE-Sim Now

Evaluation Kits

MAX17630C5EVKIT

Evaluation Kit for the MAX17630 5V Output-Voltage Application

Buy Now View Details

Features and Benefits

  • Operates from a 6.5V to 36V Input Supply
  • 5V Output Voltage
  • Delivers Up to 1A Output Current
  • 400kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Open-Drain Active-Low RESET Output
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

The MAX17630C5EVKIT# Evaluation Kit (EV kit) provides a proven design to evaluate the MAX17630C highefficiency, synchronous step-down DC-DC converter. The EV kit provides 5V/1A at the output from a 6.5V to 36V input supply. The switching frequency of the EV kit is preset to 400kHz 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 clock synchronization. The EV kit also provides a good layout example, which is optimized for conducted, radiated EMI and thermal performance. For more details about the IC benefits and features, refer to the MAX17630 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

MAX17630AEVKIT

Evaluation Kit for the MAX17630 3.3V Output-Voltage Application

Buy Now View Details

Features and Benefits

  • Operates from a 4.5V to 36V Input Supply
  • 3.3V Output Voltage
  • Delivers Up to 1A Output Current
  • 400kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Open-Drain Active-Low RESET Output
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17630AEVKIT# Evaluation Kit (EV kit) provides a proven design to evaluate the MAX17630A high-efficiency, synchronous step-down DC-DC converter. The EV kit provides 3.3V/1A at the output from a 4.5V to 36V input supply. The switching frequency of the EV kit is preset to 400kHz 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 clock synchronization. The EV kit layout is optimized for thermal performance. For more details about the IC benefits and features, refer to MAX17630 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

MAX17630BEVKIT

Evaluation Kit for the MAX17630 5V Output-Voltage Application

Buy Now View Details

Features and Benefits

  • Operates from a 6.5V to 36V Input Supply
  • 5V Output Voltage
  • Delivers Up to 1A Output Current
  • 400kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Open-Drain Active-Low RESET Output
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17630BEVKIT# Evaluation Kit (EV kit) provides a proven design to evaluate the MAX17630B high-efficiency, synchronous step-down DC-DC converter. The EV kit provides 5V/1A at the output from a 6.5V to 36V input supply. The switching frequency of the EV kit is preset to 400kHz 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 clock synchronization. The EV kit is optimized for thermal performance. For more details about the IC benefits and features, refer to MAX17630 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
MAX17630C5EVKIT
Evaluation Kit for the MAX17630 5V Output-Voltage Application
MAX17630AEVKIT
Evaluation Kit for the MAX17630 3.3V Output-Voltage Application
MAX17630BEVKIT
Evaluation Kit for the MAX17630 5V Output-Voltage Application

Latest Discussions

1 Years Ago
MAX17630CATE+ top mark
View related discussion on EngineerZone®

Recently Viewed