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TL494S Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TL494S100Yes

TL494S** is a fixed-frequency pulse-width modulation (PWM) control IC manufactured by **Texas Instruments (TI)**.

The TL494S is a fixed-frequency pulse-width modulation (PWM) control IC manufactured by Texas Instruments (TI).

Key Specifications:

  • Supply Voltage (VCC): 7V to 40V
  • Output Current (per Transistor): 200mA (sink/source)
  • Oscillator Frequency Range: 1kHz to 300kHz
  • Duty Cycle Adjustable Range: 0% to 100%
  • Error Amplifier Input Voltage Range: -0.3V to VCC - 2V
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOIC-16

Descriptions:

The TL494S is a PWM controller designed for switch-mode power supply (SMPS) and DC-DC converter applications. It features two error amplifiers, an on-chip adjustable oscillator, a dead-time control comparator, and a flip-flop for pulse steering.

Features:

  • Complete PWM Control Circuitry
  • Uncommitted Output Transistors (200mA Sink/Source)
  • Variable Dead-Time Control
  • Internal Regulator for Stable Operation
  • Undervoltage Lockout (UVLO)
  • Push-Pull or Single-Ended Operation Modes
  • Synchronous Operation Capability

The TL494S is widely used in power supplies, inverters, and motor control applications.

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