MAX17497A Peak-Current-Mode Converter

By Maxim Integrated 179

MAX17497A Peak-Current-Mode Converter

Maxim's MAX17497A includes both a current-mode fixed-frequency PWM converter and a synchronous step-down regulator. It contains all the control circuitry required to design wide-input-voltage, non-isolated power supplies to supply multiple output rails for smart meters, industrial control, and other similar applications. The MAX17497A has its rising/falling undervoltage lockout (UVLO) thresholds optimized for universal offline (85 VAC to 265 VAC) applications. It also includes a 3.3 V fixed-output synchronous step-down regulator that delivers up to 600 mA load current.

Features
  • Reduced component count and board space
  • Minimal radio interference
  • Reduced inrush current
  • Reduced power dissipation under fault
  • Robust protection features
Applications
  • AC/DC power supplies for smart meter applications
  • Universal-input, offline AC-DC power supplies
  • Wide-range, DC input flyback/boost industrial power supplies

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MAX17497AATE+

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