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40 V, 3 A, Synchronous Buck Regulator Module with Low EMI and 6 μA Quiescent Current

APM81803

APM81803: 40V , 3A, Synchronous Buck Regulator Module with Low EMI and 6 μA Quiescent Current Product Image

APM81803 ECAD Model
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Description

Top Features

Typical Applications

Packaging

The APM81803 is a highly integrated, 3A, low EMI, DC-DC regulator module that satisfies demanding power delivery requirements. Allegro's innovative packaging technology allows for the integration of the converter along with EMI capacitors to offer a power supply that will meet very stringent EMC specifications without the need for additional EMI filters. 

Due to the high level of integration, the APM81803 minimizes the number of additional components required, enabling a high-powered DC-DC converter to be located in very space-constrained applications. The APM81803 is automotive qualified to a Grade 1 temperature rating; this regulator will survive harsh environments without degradation. 

The APM81803 are automotive AEC-Q100 qualified and presented in a compact, thermally enhanced 4 mm x 4 mm x 2.1mm QFN-24 package with wettable flanks.

  • AEC-Q100 Grade 1 Qualified
  • Wide VIN range, 3.5V to 36V operation with transients up to 40V
  • Ultra-Low EMI with integrated input and bootstrap capacitors
  • Low Power Mode: 6µA Quiescent Current
  • Robust FMEA: pin open/short and component faults

The APM81803 are automotive AEC-Q100 qualified and presented in a compact, thermally enhanced 4 mm x 4 mm x 2.1mm QFN-24 package (suffix NB) with wettable flanks.

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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APM81803 Evaluation Board User Guide