TDA4605(1996) Datasheet - STMicroelectronics

DESCRIPTION
The IC TDA4605 controls the MOS Power Transistor and performs all necessary regulation and monitoring functions in free running flyback converters. Since good load regulation over a wide load range is attained,this IC is particularlysuitable for Consumeras well as Industrial Power Supplies.
   
■ FOLD-BACK CHARACTERISTIC PROVIDES
    OVERLOAD PROTECTION FOR EXTERNAL
    DIODES
■ BURST OPERATION UNDER SHORT-CIRCUIT AND NO LOAD CONDITIONS
■ LOOP ERROR PROTECTION
■ SWITCH-OFF IN CASE OF TOO LOW LINE
    VOLTAGE (under voltage switch-off)
■ LINE VOLTAGE COMPENSATION OF OVERLOAD POINT
■ SOFT-START FOR SMOOTH START-UP
■ CHIP OVER-TEMPERATURE PROTECTION
    (thermal shutdown)
■ ON-CHIP PARASITIC TRANSFORMER OSCILLATION SUPPRESSION CIRCUITRY
■ DECREASE OF REGULATED VOLTAGE FOR
    LOW POWER CONSUMPTION