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TL494 IC- Pulse Width Modulation Controller IC

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₹46.00 (excluding 18% GST)

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Description

The TL494 is a PWM controller that integrates a variety of functions required for designing switching power supplies, including error amplification, oscillator, and feedback control. It is designed to offer flexible control over switching operations and is commonly used in power management applications.

Features

  • PWM Control: Provides pulse width modulation control for switching power supplies, allowing for precise regulation of output voltage and current.
  • Built-In Oscillator: Includes a built-in oscillator for generating the timing signals needed for PWM operation, simplifying circuit design.
  • Error Amplifier: Features an error amplifier for comparing the output voltage to a reference voltage and adjusting the PWM signal accordingly.
  • Dead Time Control: Includes dead time control to prevent simultaneous conduction of the high-side and low-side switches in full-bridge configurations.
  • Adjustable Frequency: The oscillator frequency is adjustable, typically from 10kHz to 100kHz, providing flexibility for different application requirements.
  • Current Limiting: Includes current limiting and shutdown features to protect the circuit and connected components.
  • Thermal Shutdown: Provides thermal shutdown protection to prevent overheating and ensure reliable operation.
  • Compact Package: Available in small packages such as 16-pin DIP or SOIC, suitable for various design constraints.

Specifications

  • Supply Voltage: Typically 7V to 40V, accommodating a wide range of power supply designs.
  • Oscillator Frequency: Adjustable frequency range, typically from 10kHz to 100kHz.
  • Output Drive Capability: Capable of driving external transistors or MOSFETs with sufficient current for switching applications.
  • Operating Temperature Range: Typically -40°C to +85°C, ensuring reliable operation in various environmental conditions.
  • Package Options: Available in 16-pin DIP, SOIC, and similar surface-mount packages.

Applications

  • Switching Power Supplies: Used in switching power supplies for regulating output voltage and current, including both buck and boost converters.
  • DC-DC Converters: Applied in DC-DC converters for efficient voltage conversion in various electronic devices.
  • Inverter Circuits: Implemented in inverter circuits for converting DC to AC power with controlled output.
  • Battery Chargers: Used in battery charging circuits to regulate charging current and voltage.
  • Motor Drives: Applied in motor drive circuits for controlling speed and torque.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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