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80V, 1.5A Synchronous Buck Regulator for 48V Automotive Systems

APM81815

40V Synchronous Buck Regulator Packaging Image

The APM81815 simplifies power supply design for 48V automotive systems, offering a high level of integration, low EMI, and selectable output voltages (3.3V, 5V, 5.35V, or 12V).

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Top Features

Typical Applications

Packaging

  • VIN operating range: 5 to 72 V
  • 1.5A continuous output current
  • Integrated Vin and Boot Cap to reduce component count and achieve ultra-low EMI
  • Thermally enhanced and space saving 4 mm × 4 mm × 2.1 mm wettable flank QFN package
  • 28 μA no-load quiescent current (48 VIN to 12 VOUT)
  • 2.15 MHz internally fixed and adjustable from 400 kHz to 2.4 MHz

The APM81803 features a 24-pin, 4 mm × 4 mm x 2.1mm QFN package with exposed thermal pads and wettable flank, (suffix NB).

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Guide
APM81815 Evaluation Board User Guide
Guide
APM81815 Design Tool