ON Semiconductor TL494CNG - PWM Controller
The TL494CNG, manufactured by ON Semiconductor, is a versatile Pulse Width Modulation (PWM) control circuit designed to offer precise voltage regulation and flexibility in power supply systems. This integrated circuit is housed in a 16-pin DIP (Dual In-line Package) configuration, which is widely used in various electronic applications due to its ease of installation and handling.
Key Features:
- Complete PWM Power Control Circuitry: The TL494CNG includes oscillator, voltage reference, error amplifier, PWM comparator, and output control drivers all in one chip, providing a comprehensive solution for power control.
- Adjustable Dead-Time Control: This feature allows the user to set the dead time between the turn-off of one driver and the turn-on of the opposite driver, enhancing the control over power dissipation and efficiency.
- Wide Operating Frequency Range: The device can operate at frequencies up to 300kHz, which is suitable for various switching power supply applications, including DC-DC converters.
- Dual Error Amplifiers: With two built-in error amplifiers, the TL494CNG can manage feedback from two separate points, offering improved regulation and system response.
- Uncommitted Outputs for Single-ended or Push-pull Applications: The flexibility of the output stages allows for both single-ended and push-pull configurations, making the device adaptable to a range of circuit designs.
Applications:
The TL494CNG is ideal for use in a variety of power supply and converter applications, including:
- Switching power supplies
- DC-DC converters
- AC-DC converters
- Motor control circuits
- Battery chargers
With its robust design and comprehensive feature set, the TL494CNG from ON Semiconductor is a go-to choice for engineers and designers looking to implement efficient and reliable PWM control in their power management systems.
