MAX17572
Info: : PRODUCTION
searchIcon
cartIcon

MAX17572

4.5V–60V, 1A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation

Show More showmore-icon

60V Synchronous Buck Converter with Internal FETs Enables High Efficiency and Low Temperature Rise

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $2.40
Features
  • Reduces External Components and Total Cost
    • No Schottky-Synchronous Operation
    • Internal Compensation for Any Output Voltage
    • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4.5V to 60V Input
    • Adjustable 0.9V to 0.9 x VIN Output
    • Continuous 1A Current Over Temperature
    • 400kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
  • Reduces Power Dissipation
    • Peak Efficiency > 92%
    • Auxiliary Bootstrap LDO for Improved Efficiency
    • 4.65μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup Mode Overload Protection
    • Adjustable Soft-Start
    • Built-In Output-Voltage Monitoring with Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Monotonic Startup into Prebiased Load
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
Additional Details
show more Icon

The MAX17572 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input. The converter can deliver up to 1A and generates output voltages from 0.9V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.2% over -40°C to +125°C. The MAX17572 uses peak current-mode control.

The device is available in a 12-pin (3mm x 3mm) TDFN package. Simulation models are available.

Design Solution: Design 20W–30W Power Supplies with Over 90% Efficiency for 24V+ Industrial Automation Systems ›

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
Part Models 2
1ku List Price Starting From $2.40

close icon
Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX17572ATC+
  • HTML
  • HTML
MAX17572ATC+T
  • HTML
  • HTML
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

MAX17572EVKITA

Evaluates MAX17572 in 3.3V Output-Voltage Application

zoom

MAX17572EVKITA

Evaluates MAX17572 in 3.3V Output-Voltage Application

Evaluates MAX17572 in 3.3V Output-Voltage Application

Features and Benefits

  • Operates from a 4.5V to 60V Input Supply
  • 3.3V Output Voltage
  • Up to 1A Output Current
  • 500kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Open-Drain Active-Low RESET Output
  • External Frequency Synchronization
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17572 3.3V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17572 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 3.3V output at load currents up to 1A and features a 500kHz 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

MAX17572EVKITB

Evaluates MAX17572 in 5V Output-Voltage Application

zoom

MAX17572EVKITB

Evaluates MAX17572 in 5V Output-Voltage Application

Evaluates MAX17572 in 5V Output-Voltage Application

Features and Benefits

  • Operates From a 6V to 60V Input Supply
  • 5V Output Voltage
  • Up to 1A Output Current
  • 500kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • Open-Drain Active-Low RESET Output
  • External Frequency Synchronization
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17572 5V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17572 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 1A and features a 500kHz 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

MAX17572EVKITBE

Evaluation Kit for the MAX17572 in 5V Output-Voltage Application

zoom

MAX17572EVKITBE

Evaluation Kit for the MAX17572 in 5V Output-Voltage Application

Evaluation Kit for the MAX17572 in 5V Output-Voltage Application

Features and Benefits

  • Operates From a 6.5V to 60V Input Supply
  • Programmed 5V Output Voltage, 1A Load Current
  • 500kHz Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Adjustable Soft-Start Time
  • 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 Detail

The MAX17572EVKITBE# evaluation kit (EV kit) provides a proven design to evaluate the MAX17572 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 1A and features a 500kHz 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 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 MAX17572 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
Tools & Simulations

Tools & Simulations 2

Recently Viewed