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TL494C Datasheet Pulse-Width-Modulation Controller

Manufacturer: Texas Instruments

Download the TL494C datasheet PDF. This datasheet also includes the TL494 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TL494-etcTI.pdf) that lists specifications for multiple related part numbers.

General 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.

The TL494 device contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision regulator, and output-control circuits.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TL494 SLVS074H – JANUARY 1983 – REVISED MARCH 2017 TL494 Pulse-Width-Modulation Control Circuits.

Key Features

  • 1 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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