General description

The TEA1761T is a member of the new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies. Its high level of integration allows the design of a cost-effective power supply with a very low number of external components.

Features

Distinctive features

Combined synchronous rectification and primary feedback control functionality

Wide supply voltage range (8.6 V to 38 V)

High level of integration, resulting in a very low external component count

Wide opto coupler output voltage range (3.5 V to 38 V)

Accurate internal voltage reference for voltage control (within 1 %)

High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon

Green features

Low current consumption

High system efficiency from no load to full load

Protection features

Undervoltage protection

Internal over-temperature protection

Applications

The TEA1761T is intended for adapters. The device can also be used in all other discontinuous conduction mode and quasi resonant flyback systems that demand a highly efficient and cost-effective solution.