MAX20006E

PRODUCTION

Automotive, 36V, 4A/6A/8A Integrated Step-Down Converters with Integrated Compensation

Industry's Smallest High Power Step Down Converter with High Efficiency

Data Sheet (Rev. 0)
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Overview

  • Multiple Functions for Small Size
    • Operating VIN Range of 3V to 36V
    • 15µA Quiescent Current in Skip Mode
    • Synchronous DC-DC Converter with Integrated FETs
    • 400kHz/2.2MHz Frequency versions
    • Fixed 5ms Internal Soft-Start
    • 3.3V/3.9V/5.0V Fixed Output Options
    • 98% Duty-Cycle Operation with Low Dropout
    • RESET output
  • High Precision
    • ±2% Output-Voltage Accuracy
    • Good Load-Transient Performance
  • Robust for the Automotive Environment
    • Current-Mode, Forced-PWM and Skip Operation
    • Overtemperature and Short-Circuit Protection
    • 3.5mm x 3.75mm 17-Pin FC2QFN
    • Symmetrical Pinout with Pin-Selectable Spread Spectrum for Optimized EMI Performance
    • -40°C to +150°C Junction Operating Temperature Range
    • 40V Load-Dump Tolerant
    • AEC-Q100 Qualified

The MAX20004E/MAX20006E/MAX20008E are small, synchronous buck converters with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3V to 36V, while using only 15µA quiescent current at no load (except for MAX20006EAFOD/VY+ which has FPWM mode only). Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.

The devices offer fixed output voltages of 5V, 3.9V, or 3.3V. Compensation is internal to the device, providing excellent transient response. Frequency can be 400kHz or 2.1MHz. The devices offer a forced fixed-frequency mode and skip mode with ultra-low quiescent current of 15µA. The device has a pin-selectable (SSEN) spread-spectrum enable to further assist systems designers with better EMC management.

The MAX20004E/MAX20006E/MAX20008E are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.

Applications

  • ADAS
  • Distributed DC Power Systems
  • Navigation and Radio Head Units
  • Point-of-Load Applications in Automotive
MAX20006E
Automotive, 36V, 4A/6A/8A Integrated Step-Down Converters with Integrated Compensation
MAX20004E, MAX20006E, MAX20008E: Simplified Block Diagram
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Documentation

Data Sheet 1

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Software Resources

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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

MAX20006EEVKIT

Evaluation Kit for the MAX20004E/MAX20006E/MAX20008E

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Features and Benefits

  • 3.5V to 36V Input Supply Range
  • 15µA No-Load Quiescent Current in Skip Mode
  • High-Efficiency Synchronous DC-DC Converter with Integrated FETs
  • External Frequency Synchronization (SYNC) Input
  • Internal Soft-Start
  • Fixed 3.3V/5.0V/3.9V Output or Resistor Programmable 1V to 5V Output
  • Low Dropout (98% Effective Duty Cycle Operation)
  • ±2% Output Voltage Accuracy
  • Active-Low RESET Output
  • Fully Assembled and Tested

Product Details

The MAX20006E/MAX20008E evaluation kits (EV kits) demonstrate the MAX20006E/MAX20008E high-voltage, current-mode, synchronous step-down converters with low operating current. The EV kits operate over a wide 3.5V-to-36V input range. The output is set for 5V in the default configuration, but can be adjusted between 1V and 5V with appropriate components. The MAX20006E/ MAX20008E current limit supports a nominal output current of 6A or 8A, respectively.

The EV kit switching frequency is set for 2.1MHz (MAX20006EEVKIT#) or 400kHz (MAX20008EEVKIT#) in the default configuration. The switching frequency is fixed internally and can be synchronized to an external signal within the specified range. The EV kits can be set for fixed-frequency (PWM mode) or pulse-skipping (SKIP mode) for light load efficiency through the provided onboard jumper.

Applications

  • ADAS
  • Distributed DC Power Systems
  • Navigation and Radio Head Units
  • Point-of-Load Applications in Automotive

MAX20008EEVKIT

Evaluation Kit for the MAX20004E/MAX20006E/MAX20008E

Buy Now View Details

Features and Benefits

  • 3.5V to 36V Input Supply Range
  • 15µA No-Load Quiescent Current in Skip Mode
  • High-Efficiency Synchronous DC-DC Converter with Integrated FETs
  • External Frequency Synchronization (SYNC) Input
  • Internal Soft-Start
  • Fixed 3.3V/5.0V/3.9V Output or Resistor Programmable 1V to 5V Output
  • Low Dropout (98% Effective Duty Cycle Operation)
  • ±2% Output Voltage Accuracy
  • Active-Low RESET Output
  • Fully Assembled and Tested

Product Details

The MAX20006E/MAX20008E evaluation kits (EV kits) demonstrate the MAX20006E/MAX20008E high-voltage, current-mode, synchronous step-down converters with low operating current. The EV kits operate over a wide 3.5V-to-36V input range. The output is set for 5V in the default configuration, but can be adjusted between 1V and 5V with appropriate components. The MAX20006E/ MAX20008E current limit supports a nominal output current of 6A or 8A, respectively.

The EV kit switching frequency is set for 2.1MHz (MAX20006EEVKIT#) or 400kHz (MAX20008EEVKIT#) in the default configuration. The switching frequency is fixed internally and can be synchronized to an external signal within the specified range. The EV kits can be set for fixed-frequency (PWM mode) or pulse-skipping (SKIP mode) for light load efficiency through the provided onboard jumper.

Applications

  • ADAS
  • Distributed DC Power Systems
  • Navigation and Radio Head Units
  • Point-of-Load Applications in Automotive
MAX20006EEVKIT
Evaluation Kit for the MAX20004E/MAX20006E/MAX20008E
MAX20008EEVKIT
Evaluation Kit for the MAX20004E/MAX20006E/MAX20008E

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