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TL494CDB Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TL494CDBTI349Yes

TL494CDB is a pulse-width-modulation (PWM) control circuit manufactured by Texas Instruments (TI).

The TL494CDB is a pulse-width-modulation (PWM) control circuit manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

Specifications:

  • Manufacturer: Texas Instruments (TI)
  • Package: SOIC-16
  • Type: PWM Controller IC
  • Topology: Buck, Boost, Flyback, Forward
  • Output Type: Dual (Push-Pull or Single-Ended)
  • Frequency Range: Up to 300 kHz
  • Supply Voltage (VCC): 7V to 40V
  • Output Current (Sink/Source): 200mA (per output)
  • Duty Cycle Range: 0% to 100% (adjustable)
  • Error Amplifier Bandwidth: 3 MHz (typical)
  • Operating Temperature Range: -40°C to 85°C

Descriptions:

The TL494CDB is a fixed-frequency PWM controller IC designed for power supply control applications. It includes an on-chip oscillator, error amplifiers, a dead-time control comparator, and output control circuitry. It is widely used in DC-DC converters, inverters, and SMPS (Switched-Mode Power Supplies).

Features:

  • Complete PWM Control Circuitry
  • Adjustable Dead-Time Control
  • Internal Oscillator with Synchronization Capability
  • On-Chip Error Amplifiers for Feedback Control
  • Output Control for Push-Pull or Single-Ended Operation
  • Undervoltage Lockout (UVLO) Protection
  • Soft-Start Capability
  • Thermal Shutdown Protection

This IC is commonly used in industrial, automotive, and consumer electronics applications requiring precise PWM control.

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