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TL494C Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TL494CTI285Yes

TL494C** is a pulse-width modulation (PWM) control circuit manufactured by **Texas Instruments (TI)**.

The TL494C is a pulse-width modulation (PWM) control circuit manufactured by Texas Instruments (TI).

Key Specifications:

  • Supply Voltage (VCC): 7V to 40V
  • Output Current (per Output): 200mA (sink/source)
  • Oscillator Frequency Range: 1kHz to 300kHz
  • Duty Cycle Range: Adjustable from 0% to 100%
  • Error Amplifiers: Two built-in op-amps for feedback control
  • Output Configuration: Push-pull or single-ended operation
  • Dead-Time Control: Adjustable for preventing shoot-through
  • Operating Temperature Range: 0°C to 70°C (Commercial grade)
  • Package: 16-pin PDIP (Plastic Dual In-Line Package)

Descriptions:

The TL494C is a fixed-frequency PWM controller IC designed for power supply and DC-DC converter applications. It features an internal oscillator, error amplifiers, a 5V reference, and output control logic. The device supports adjustable dead-time control and can operate in push-pull or single-ended configurations.

Features:

  • Complete PWM control circuitry
  • Adjustable dead-time control
  • Internal 5V reference (±1% accuracy)
  • Dual error amplifiers for feedback control
  • Uncommitted output transistors (200mA each)
  • Undervoltage lockout (UVLO)
  • Synchronizable oscillator

The TL494C is commonly used in switch-mode power supplies (SMPS), inverters, and motor control circuits.

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