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What is a flyback power transformer
The flyback power transformer is a transformer used for DC power supply. It generates high-frequency pulses by periodically cutting off the input power supply, and then converts the required voltage to the output through the transformer. This type of transformer is commonly used in electronic equipment such as computers, televisions, mobile phones, etc.
When calculating the flyback power transformer, we need to consider the following key parameters: input voltage (Vin), output voltage (Vout), input current (Iin), output current (Iout), transformer ratio (N) and switch The on-time (Ton) and off-time (Toff) of the tube, etc.
We need to determine the transformation ratio of the transformer. The transformation ratio refers to the ratio between the input voltage and the output voltage, usually represented by N. The calculation formula of the transformation ratio is:
Next, we need to calculate the relationship between the input current and the output current. According to the law of conservation of energy, input power is equal to output power. The power calculation formula is: