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Reference Design for a High-Input-Voltage, High-Output-Current Buck Controller Using the MAX15046

Reference Design Disclaimer See the  Important Notice and Disclaimer  covering reference designs and other Maxim resources.

Description

The reference design presents a schematic (Figure 1), bill of materials (Table 1), and performance characteristics (Figures 2–7). Key specifications of the MAX15046 are listed below.

Design Specifications and Setup

  • Input Voltage: 18V to 36V
  • Output Voltage: 1.2V
  • Output Current: 13.4A
  • Output-Voltage Ripple: 12mVP-P
  • Input-Voltage Ripple: 180mVP-P
  • Switching Frequency: 250kHz
  • Efficiency: 82% with VIN = 18V at 13.4A, 74% with VIN = 36V at 13.4A.

  • 4376fig01

    4376fig01

  • 4376fig08

    4376fig08

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Designed, Built, Tested

Board pictured here has been fully assembled and tested. Not available for sale.

 

Maxim Devices (1)

Part Number Name Product Family Order Design kits and evaluation modules
MAX15046 40V, High-Performance, Synchronous Buck Controller Switching Regulator - Switching Regulators Buy Now Design Kits

Maxim Devices (1)

Part Number Product Family
Switching Regulator - Switching Regulators
40V, High-Performance, Synchronous Buck Controller

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