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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.