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reference designTL494 | Demoboard TIDA-01426

Texas Instruments TL494 | Demoboard TIDA-01426

Reference Design for Line AC Voltage Generation From Low-Voltage DC Source for Sensor Excitation

Overview

TopologyPush-Pull Converter symmetrical isolated
Input voltage8-36 V
Switching frequency100 kHz
Output 1250 V / 0 A
Output 2250 V / 0 A

Description

This reference design demonstrates a method fordesigners to achieve high-voltage signals that can beused for flame detection using discrete components.The reference design is built with a low BOM cost andsmall solution size in mind. By using push-pullconverter topology, it is possible to achieve a wideinput range and low start-up time.

Features

  • Universal Input Range of 10 to 36 V
  • 120-V, 60-Hz Output up to 4% THD
  • 56-ms Startup Time at 10 V
  • 5% Output Accuracy
  • Output Power up to 1 W
  • Low Footprint and BOM Cost

Typical applications

  • HVAC Valve and Actuator Control, sensor Transmitter, system controller

More information

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750343584
SPECPush-Pull Transformer
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series Push-Pull Transformer
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