TEA2018A - ST Microelectronics

TEA2018A CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT

The TEA2018A is an 8-pin DIP low-cost integrated circuit designed for the control of switch mode power supplies. Due to its current mode regulation, the TEA2018A facilitates design of power supplies with following features : High stability regulation loop Automatic input voltage feed-forward in discontinuous mode fly-back Automatic pulse-by-pulse current lim.

Features

: High stability regulation loop Automatic input voltage feed-forward in discontinuous mode fly-back Automatic pulse-by-pulse current limitation Typical applications : Video Display Units, TV sets, typewriters, microcomputers and industrialapplications Where synchronization is required, use the TEA2019. For more details, see application note AN406/0591 PIN CONNECTIONS DIP8 (Plastic Package) ORDER CODE : TEA2018A OSCILLATOR GROUND COLLECTOR CURRENT SENSING NEGATIVE SUPPLY VOLTAGE 1 2 3 4 8 7 6 5 ERROR AMPLIFIER NON-INVERTING INPUT DEMAGNETIZATION SENSING POSITIVE SUPPLY VOLTAGE 2018A-01.EPS.