
TOSHIBA CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
TC90A75
AC-TRANSFORMER BURST CONTROL IC FOR POWER SAVING
The TC90A75 is AC transformer burst control IC for power saving,
and this IC can easily implement a high efficiency power supply.
This TC90A75 makes a power supply system low-cost and low noise
compare with the conventional high-frequency switching system.
FEATURES
High efficiency, especially very low load such as stand-by state.
Small parts count, and low cost.
Low radiation, in order to switch 50/60Hz AC transformer.
Good regulation by photo-coupler feedback circuit.
BLOCK DIAGRAM
2000/02/04
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