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U217B - Zero Voltage Switch

Description

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.

Features

  • 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 circuit D Negative output current pulse typ. 100 mA.
  • short circuit protected D Simple power control D Ramp generator D Reference voltage.

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Datasheet Details

Part number U217B
Manufacturer TEMIC
File Size 133.30 KB
Description Zero Voltage Switch
Datasheet download datasheet U217B Datasheet

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Other Datasheets by TEMIC

Part Number Description
U217B-FP Zero Voltage Switch / Temperature Control
U217B-FP Zero Voltage Switch

Full PDF Text Transcription

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U217B/ U217B-FP Zero Voltage Switch with Adjustable Ramp Description 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 control, whereas full wave logic guarantees that full mains cycles are used for load switching. Features 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 circuit D Negative output current pulse typ.
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