400V-60W push-pull DC-DC converter
The TL494 is a versatile integrated circuit commonly used in switching power supply applications due to its ability to provide precise voltage regulation and efficient power conversion. This device operates at a nominal switching frequency of around 100 kHz, which is suitable for many applications requiring moderate power levels.
In terms of functionality, the TL494 features two error amplifiers that compare the feedback voltage from the output to a reference voltage, allowing for precise regulation of the output voltage. The output voltage can be adjusted using external resistors, enabling the design of power supplies that meet specific voltage requirements.
The output regulation capability of the TL494 is typically within 15% across the load range, from no-load conditions to a maximum output of 60 watts. This characteristic is crucial for applications where load variations are expected, ensuring that the output voltage remains stable and within acceptable limits even as the load changes.
In addition, the TL494 includes features such as a dead-time control to prevent cross-conduction in push-pull configurations, as well as a built-in oscillator for frequency stability. These features contribute to the overall efficiency and performance of the switching regulator circuit, making the TL494 an excellent choice for designers seeking reliable voltage regulation in their power supply designs.
Overall, the TL494 switching regulator is a robust solution for applications requiring efficient power management, with the capability to maintain output voltage stability across a wide range of operating conditions.The TL494 switching regulator governs the operating frequency and regulates output voltage. Switching frequency approximately 100 kHz for the values shown Output regulation is typically 15% from no-load to full 60 W.
Related Circuits
This is a straightforward analog-to-digital converter circuit utilizing an 8-bit analog-to-digital converter (ADC0808). Typically, an analog-to-digital converter (A/D Converter / ADC) necessitates interfacing with a microprocessor to convert analog signals. The ADC0808 is a widely used 8-bit A/D converter that...
A simple 5V boost converter utilizing the LTC3440 is presented. The LTC3440 is a high-efficiency DC to DC converter capable of operating with input voltages that are below, above, or equal to the output voltage. With synchronous rectification, the...
This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V car. The circuit is simple, about 75% efficient and quite useful. By changing...
This is a very sensitive 50Mc converter allowing you to receive the entire "Magic Band" (50Mc...52Mc) on your general coverage receiver (28Mc...30Mc). It receives all types of modulated transmissions. It all depends on the receiver used. I’ve tested this...
The 8 microcomputer data operates with an 8-bit parallel output, while also accommodating serial input for D-A converters. Typically, data must be entered in two groups and processed as a whole. The requirements for data latching involve 16 straight...
The AD652 Synchronous Voltage-to-Frequency Converter (SVFC) is a robust component designed for precision analog-to-digital conversion, featuring a typical nonlinearity of 0.002% (maximum of 0.005%) at an output frequency of 100 kHz. Its inherent monotonicity in the transfer function and...