PH75S280-15

DC DC Converters

DC-DC Converter is a device for converting DC using components such as flyback converters, buck converters, boost converters, forward converters and more. The PH75S280-15 is an example of a representative DC-DC converter.

PH75S280-15 application field and working principle

The PH75S280-15 is a high-performance DC-DC converter designed for industrial applications. This device has a 40-75V DC input voltage range and can produce outputs of either +15V, +20V, or +25V depending on the model. It also has a standard output power rating of 28W and a peak rating of 50W. The device has wide regulation range, low output ripple, excellent line and load regulation, and a high efficiency of up to 88%. The device also has several built-in safety features such as overcurrent, overtemperature, and short-circuit protection.

The working principle of the PH75S280-15 is based on the flyback converter topology. The main component of the DC-DC converter is the transformer, which consists of two coils and a ferrite core. The input side of the transformer is connected to the input voltage, while the output side is connected to the output load. When the input voltage is applied to the input side, the transformer’s primary coil is energized, inducing a voltage in the secondary coil. The output voltage is then regulated by a control circuit, which is normally an integrated circuit (IC) and a few passive components. The effect of the control circuit is to regulate the duty cycle of the input current, which in turn adjusts the output voltage to the desired level.

The PH75S280-15 is designed to meet the requirements of industrial applications. It has a wide input voltage range, high power output, and excellent regulation and efficiency. The device also has several built-in safety features to protect the system from damaging conditions. The flyback topology ensures the device has a low profile and is easy to install, making it suitable for a variety of applications.