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 particularly suitable for Consumer as 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