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TL494 - Pulse-Width-Modulation Controller

Description

The TL494 device incorporates all the functions required in the construction of a pulse-widthmodulation (PWM) control circuit on a single chip.

Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application.

Features

  • Complete PWM Power-Control Circuitry.
  • Uncommitted Outputs for 200-mA Sink or Source Current.
  • Output Control Selects Single-Ended or Push-Pull Operation.
  • Internal Circuitry Prohibits Double Pulse at Either Output.
  • Variable Dead Time Provides Control Over Total Range.
  • Internal Regulator Provides a Stable 5-V Reference Supply With 5% Tolerance.
  • Circuit Architecture Allows Easy Synchronization 2.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TL494 SLVS074I – JANUARY 1983 – REVISED JULY 2022 TL494 Pulse-Width-Modulation Control Circuits 1 Features • Complete PWM Power-Control Circuitry • Uncommitted Outputs for 200-mA Sink or Source Current • Output Control Selects Single-Ended or Push-Pull Operation • Internal Circuitry Prohibits Double Pulse at Either Output • Variable Dead Time Provides Control Over Total Range • Internal Regulator Provides a Stable 5-V Reference Supply With 5% Tolerance • Circuit Architecture Allows Easy Synchronization 2 Applications • Desktop PCs • Microwave Ovens • Power Supplies: AC/DC, Isolated, With or Without PFC • Server PSUs • Solar Micro-Inverters • Washing Machines: Low-End and High-End • E-Bikes • Power: Telecom/Server AC/DC Supplies: Dual Controller: Analog • Smoke Detectors • Solar Power Inve
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