ON Semiconductor
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TL594CD
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TL594CD

Product Overview

Category: Integrated Circuit
Use: TL594CD is a pulse-width-modulation (PWM) control circuit, designed for power supply applications.
Characteristics: It features an error amplifier, oscillator, and high-current output switch.
Package: The TL594CD comes in a 16-pin dual in-line package (DIP).
Essence: This integrated circuit is essential for controlling the pulse width of power supplies.
Packaging/Quantity: Typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage: 7V to 40V
  • Output Current: Up to 1A
  • Operating Temperature: -25°C to 70°C
  • Frequency Range: 100Hz to 500kHz

Detailed Pin Configuration

  1. Error Amplifier Output
  2. Inverting Input of Error Amplifier
  3. Non-Inverting Input of Error Amplifier
  4. Ground
  5. Output
  6. Feedback Input
  7. Deadtime Control
  8. Oscillator Timing Capacitor
  9. Oscillator Timing Resistor
  10. VCC
  11. Output
  12. Output
  13. Output
  14. Output
  15. Output
  16. Output

Functional Features

  • Error Amplifier with Adjustable Gain
  • Oscillator with Frequency Control
  • High-Current Totem-Pole Output

Advantages and Disadvantages

Advantages: - Versatile PWM control - Wide input voltage range - High output current capability

Disadvantages: - Requires external components for full functionality - Limited operating temperature range

Working Principles

The TL594CD operates by comparing a feedback signal with a sawtooth waveform generated by the internal oscillator. The error amplifier adjusts the duty cycle of the output pulse based on this comparison, providing precise control over the power supply output.

Detailed Application Field Plans

  • Switched-Mode Power Supplies
  • Battery Chargers
  • LED Drivers
  • Motor Control Systems

Detailed and Complete Alternative Models

  • SG3524
  • UC3843
  • LM5039

This comprehensive entry provides a detailed overview of the TL594CD, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TL594CD en soluciones técnicas

  1. What is TL594CD?

    • TL594CD is a pulse-width modulation (PWM) controller integrated circuit commonly used in power supply and lighting applications.

  2. What is the operating voltage range of TL594CD?

    • The operating voltage range of TL594CD is typically 7V to 40V.

  3. What is the maximum duty cycle of TL594CD?

    • The maximum duty cycle of TL594CD is 100%.

  4. What are the typical applications of TL594CD?

    • TL594CD is commonly used in switch-mode power supplies, uninterruptible power supplies (UPS), LED drivers, and other power management solutions.

  5. What is the frequency range of TL594CD?

    • The frequency range of TL594CD is typically from a few hundred hertz to several hundred kilohertz.

  6. How many outputs does TL594CD have?

    • TL594CD has two complementary outputs, which can be used for driving power MOSFETs or other switching devices.

  7. What protections does TL594CD provide?

    • TL594CD provides protections such as overcurrent protection, overvoltage protection, and thermal shutdown.

  8. Can TL594CD be used in flyback converter designs?

    • Yes, TL594CD can be used in flyback converter designs due to its versatile PWM control capabilities.

  9. What is the recommended operating temperature range for TL594CD?

    • The recommended operating temperature range for TL594CD is typically -40°C to 85°C.

  10. Is TL594CD suitable for high-power applications?

    • TL594CD is suitable for moderate to high-power applications, depending on the specific design and cooling considerations.