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STR-A6151 Datasheet (str-a6151 / Str-a6159) Universal Input / 13 Or 16w Flyback Switching Regulator

Manufacturer: Allegro MicroSystems

Overview: g n i h tors c t i a Sw egul R STR-A6151 AND STR-A6159 Universal-Input/13 or 16 W Flyback Switching Regulators The STR-A6151 and STR-A6159 are PRC topology (fixed off-time) regulators specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. They incorporate a primary control and drive circuit with avalanche-rated power MOSFETs.

Key Features

  • Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required.
  • Choice of rDS(on) (3.95 Ω or 6 Ω maximum).
  • Two Operational Modes by Automatic Switching: PRC Mode for Normal Operation Burst Mode for Stand-By Operation or Light Loads.
  • Built-In Leading Edge Blanking.
  • Low Start-Up Current Start-Up Circuit Disabled in Operation.
  • Low Operating Current (1.5 mA typ).
  • Automatic Burst Stand-By (intermittent operation) Input Power.

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