T2117-3ASY datasheet(1/16 Pages) ATMEL

Part #	T2117-3ASY

Description	Zero-voltage Switch with Adjustable Ramp

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Manufacturer	ATMEL [ATMEL Corporation]

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Features

• Direct Supply from the Mains

• Current Consumption

≤0.5 mA

• Very Few External Components

• Full-wave Drive – No DC Current Component in the Load Circuit

• Negative Output Current Pulse Typically 100 mA – Short-circuit Protected

• Simple Power Control

• Ramp Generator

• Reference Voltage

Applications

• Full-wave Power Control

• Temperature Regulation

• Power Blinking Switch

1.

Description

The integrated circuit, T2117, is designed as a zero-voltage switch in bipolar technol-

ogy. It is used to control resistive loads at mains by a triac in zero-crossing mode. A

ramp generator allows power control function by period group control, whereas

full-wave logic guarantees that full mains cycles are used for load switching.

Zero-voltage

Switch with

Adjustable

Ramp

T2117

Rev. 4768B–INDCO–10/05

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