TDA4605-3 Datasheet (Siemens Semiconductor) - Control IC for Switched-Mode Power Supplies using MOS-Transistor

TDA4605-3, Control IC for Switched-Mode Power Supplies using MOS-Transistor

Application Circuit The application circuit shows a flyback converter for video recorders with an output power rating of 70 W.

The circuit is designed as a wide-range power supply for AC-line voltages of 180 to 264 V.

The AC-input voltage is rectified by the bridge rectifier GR1 and smoothed by C1 .

TDA4605-3 Features

* q Fold-back characteristics provides overload protection for q q q q q q q q external components Burst operation under secondary short-circuit condition implemented Protection against open or a short of the control loop Switch-off if line voltage is too low (undervoltage switch-off) Line voltage de