LM25575EVAL Evaluation Board for LM25575, 42V, 1.5A Step-Down Switching Regulator angled board image

LM25575EVAL

Evaluation Board for LM25575, 42V, 1.5A Step-Down Switching Regulator

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Features for the LM25575EVAL

  • Integrated 42V, 330Wm N-Channel MOSFET
  • Ultra-wide input voltage range from 6V to 42V
  • Adjustable output voltage as low as 1.225V
  • 1.5% feedback reference accuracy
  • Operating frequency adjustable between 50kHz and 1MHz with single resistor
  • Master or slave frequency synchronization
  • Adjustable soft-start
  • Emulated current mode control architecture
  • Wide bandwidth error amplifier
  • Built-in protection
  • TSSOP-16EP (Exposed Pad) Package

Description for the LM25575EVAL

The LM25575 evaluation board is designed to provide the design engineer with a fully functional power converter based on Emulated Current Mode Control to evaluate the LM25575 regulator IC. The evaluation board provides a 5V output with a 1.5A current capability. The ultra-wide input voltage ranges from 7V to 42V. The design operates at 300kHz, a good compromise between conversion efficiency and solution size. The printed circuit board consists of 2 layers of 2 ounce copper on FR4 material with a thickness of 0.06 inches. This application note contains the evaluation board schematic, Bill-of-Materials (BOM) and a quick setup procedure. Refer to the LM25575 datasheet for complete circuit design information.

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