DatasheetsPDF.com

TEA2018A Datasheet

Part Number TEA2018A
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT
Datasheet TEA2018A DatasheetTEA2018A Datasheet (PDF)

TEA2018A CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT . . . . . . . . . . . DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5 A CURRENT LIMITATION TRANSFORMER DEMAGNETIZATION SENSING FULL OVERLOAD AND SHORT-CIRCUIT PROTECTION PROPORTIONAL BASE CURRENT DRIVING LOW STANDBY CURRENT BEFORE STARTING (< 1.6 mA) THERMAL PROTECTION DESCRIPTION The TEA2018A is an 8-pin DIP low-cost integrated circuit designed for the control of switch mode power s.

  TEA2018A   TEA2018A






CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT

TEA2018A CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT . . . . . . . . . . . DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5 A CURRENT LIMITATION TRANSFORMER DEMAGNETIZATION SENSING FULL OVERLOAD AND SHORT-CIRCUIT PROTECTION PROPORTIONAL BASE CURRENT DRIVING LOW STANDBY CURRENT BEFORE STARTING (< 1.6 mA) THERMAL PROTECTION DESCRIPTION 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 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 OUTPUT May 1993 1/7 TEA2018A BLOCK DIAGRAM VCC 6 TEA2018A IS 7 DEMAGNETIZATION SENSING V CC INTERNAL BIAS MONITORING V REF 2.4V 0.1V VCC ”Good” Undervoltage Rt Ct 1 OSCILLATOR & FLIP-FLOP Ic RECOPY 5 OUTPUT DELAY 500ns 1 MAXIMUM DUTY CYCLE 70% & 1 COMPARATOR 8 G ≅.


2005-04-16 : LA5603    MLED930    M38198    BU2527A    F4500    ES07D    FDI047AN08A0    FMMT2484    FQP90N10V2    FQPF90N10V2   


@ 2014 :: Datasheetspdf.com ::
Semiconductors datasheet search & download site (Privacy Policy & Contact)