U217B-FP switch equivalent, zero voltage switch.
D Direct supply from the mains D Current consumption ≤ 0.5 mA D Very few external components D Full wave drive
– no dc current component in the load
circu.
D Full wave power control D Temperature regulation D Power blinking switch
Package: DIP8, SO8
Block Diagram
95 10872
2.
The integrated circuit, U217B, is designed as a zerovoltage switch in bipolar technology. It is used to control resistive loads at mains by a triac in zero-crossing mode. A ramp generator allows to realize power control function
by period group cont.
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