MAX16974

NOT RECOMMENDED FOR NEW DESIGNS

High-Voltage, 2.2MHz, 2A Automotive Step-Down Converter with Low Operating Current

2A Automotive Buck that Meets OEMs' Tight Power Budgets

Data Sheet (Rev. 3)
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Part Details

  • Wide 3.5V to 28V Input Voltage Range
  • 42V Input Transient Tolerance
  • 5V Fixed or 1V to 10V Adjustable Output Voltage
  • Integrated 2A Internal High-Side Switch
  • Adjustable Switching Frequency (220kHz to 2.2MHz)
  • Operates Through Cold Crank with High Duty Cycle
  • Frequency Synchronization Input
  • Internal Boost Diode
  • 35µA Skip-Mode Operating Current
  • 5µA Typical Shutdown Current
  • Adjustable Power-Good Output Level and Timing
  • 3.3V Logic Level to 42V Compatible Enable Input
  • Current-Limit, Thermal-Shutdown, and Overvoltage Protections
  • Automotive Temperature Range: -40°C to +125°C
  • AEC-Q100 Qualified
MAX16974
High-Voltage, 2.2MHz, 2A Automotive Step-Down Converter with Low Operating Current
MAX16974: Typical Application Circuit
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Documentation

Data Sheet 1

User Guide 1

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Buck Regulators 1
MAX16975
PRODUCTION 28V, 1.2A Automotive Step-Down Converter with Low Operating Current
Product 1
MAX16976
28V, 600mA Automotive Step-Down Converter with Low Operating Current
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Evaluation Kits

MAX16974EVKIT

Evaluation Kit for the MAX16974

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Features and Benefits

  • Wide 3.5V to 28V DC Supply Range
  • 42V Input Transient Tolerance
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX16974 evaluation kit (EV kit) provides a proven design to evaluate the MAX16974 high-voltage, 2.2MHz, 2A automotive step-down controller with low operating current. It is designed to operate with 3.5V to 28V input voltages, while using only 35µA quiescent current at no load. The switching frequency is adjustable from 220kHz to 2.2MHz and the output voltage is pin selectable at 5V fixed or 1V to 10V adjustable. This EV kit is initially set up to operate at 2.2MHz with a 5V output.

The EV kit PCB comes with a MAX16974AUE/V+ installed.

Applications

  • Automotive
  • Industrial
MAX16974EVKIT
Evaluation Kit for the MAX16974

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