MAX20079

PRODUCTION

Automotive 36V 3.5A Buck Converter with 3.5μA IQ

Best-in-Class UltraLow IQ Buck Ideal for Automotive Applications

Data Sheet (Rev. 5)
Product Selection Table
Part Models
10
1ku List Price
Starting From $1.58
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Part Details

  • Synchronous DC-DC Converter with Integrated FETs
    • 3.5A Output-Current Capability
    • 3.5μA Quiescent Current in Standby Mode
  • Small Solution Size Saves Space
    • 65ns Minimum On-Time
    • 2.1MHz or 400kHz Fixed Operating Frequency Options
    • Programmable 3V to 12V Output for the Buck, or Fixed 5V/3.3V Options Available
    • Fixed 3.5ms Internal Soft-Start
    • Innovative Current-Mode-Control Architecture Minimizes Total Board Space and BOM Count
  • PGOOD Output and High-Voltage EN Input Simplify Power Sequencing
  • Protection Features and Operating Range Ideal for Automotive Applications
    • 3V to 36V Operating VIN Range
    • 40V Load-Dump Protection
    • 99% Duty-Cycle Operation with Low Dropout
    • -40°C to +125°C Automotive Temperature Range
    • AEC-Q100 Qualified
MAX20079
Automotive 36V 3.5A Buck Converter with 3.5μA IQ
MAX20079: Typical Application Circuit
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Documentation

Data Sheet 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Buck Regulators 4
MAX20077
PRODUCTION 36V, 2.5A Mini Buck Converter with 3.5uA IQ
MAX20076
PRODUCTION 36V, 600mA/1.2A Mini Buck Converter
MAX20075
PRODUCTION 36V, 600mA/1.2A Mini Buck Converter
MAX20006
PRODUCTION 36V, 220kHz to 2.2MHz, 4A/6A/8A Fully Integrated Automotive Step-Down Converters
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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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Evaluation Kits

MAX20079EVKIT

Evaluation Kit for the MAX20079

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Features and Benefits

  • 3.5V to 36V Input Supply Range
  • 5V or 3.3V Fixed Output Voltage, or Adjustable Between 3V and 10V
  • Delivers Up to 3.5A Output Current
  • Frequency Synchronization Input
  • Enable Input
  • Voltage-Monitoring PGOOD Output
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX20079 evaluation kit (EV kit) provides a proven design to evaluate the MAX20079 2.1MHz/400kHz highvoltage mini-buck converter in a 20-pin Side-Wettable TQFN (SWTQFN) package. All components are rated for the automotive temperature range. Various test points and jumpers are included for evaluation.

MAX20079EVKIT# comes with MAX20079AATP/VY+ installed (5V, 2.1MHz) and can be used to evaluate any MAX20079 variant with minimal component changes.

Applications

  • ADAS
  • Cluster
  • Infotainment
  • Navigation
  • Point of Load
MAX20079EVKIT
Evaluation Kit for the MAX20079

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