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TEA1998TS - GreenChip synchronous rectifier controller

General Description

The TEA1998TS is a member of a new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies with adaptive gate drive for maximum efficiency at any load.

Key Features

  • 2.1 Efficiency features.
  • Adaptive gate drive for maximum efficiency at any load.
  • Typical supply current in no-load operation below 250 μA 2.2.

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TEA1998TS GreenChip synchronous rectifier controller Rev. 1 — 16 February 2017 Product data sheet COMPANY PUBLIC 1 General description The TEA1998TS is a member of a new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies with adaptive gate drive for maximum efficiency at any load. The TEA1998TS is a dedicated controller IC for synchronous rectification on the secondary side of flyback converters. It incorporates the sensing stage and driver stage for driving the SR MOSFET, which is rectifying the output of the secondary transformer winding. The TEA1998TS can generate its own supply voltage for battery charging applications with low output voltage or for applications with high-side rectification.