PAH450S4828/T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC-DC converters are one of the most widely applied technologies in the world. From mobile phones to airplanes, DC-DC converters are utilized to ensure that the output voltage is carefully and precisely regulated for use in electrical devices.

The PAH450S4828/T is a switching DC-DC converter from Power Integrations. It is particularly useful for applications where space is limited, such as embedded systems, which have small footprints. The PAH450S4828/T is a step-up converter and it accepts a low input voltage from 0.5V to 4V and converts it to an output voltage of between 4V to 28V at 1A (maximum).

It uses the latest switching technology, called the Push-pull Active Clamp, which is a variation of the Flyback converter. This switching converter uses a high-frequency oscillator to drives both the input and output inductors. The oscillator frequency is then frequency modulated to control the output voltage. In this way, the system experiences less system stress and can be designed for higher efficiency and better power conversion.

The working principle of the Push-pull Active Clamp converter operates like this. First, the oscillator is started and the inductors begin to switch, charging and discharging energy. The Primary Side Device (PSD) and Secondary Side Device (SSD) are connected in series and the PSD is actually a parallel switch that is used to control the current flowing through the output inductor.The current passing through the output inductor is sensed and is compared with an external reference voltage. When the current exceeds the reference voltage, the PSD switches off and the inductor will rapidly discharge. The current creates a gap in the output voltage, which is then compensated by a compensation capacitor connected to the output. The compensation capacitor buffers the gap in the output voltage; thus, maintaining the output voltage through the inductor-discharge cycle.

The push-pull active clamp DC-DC converter has many advantages. Compared to traditional buck-boost or flyback converters, this push-pull active clamp converter offers increased efficiency. It also has a wide range of output voltage. The PAH450S4828/T can operate at an input voltage from 0.5V to 4V and can supply an output voltage from 4V to 28V. This flexibility makes the converter ideal for a variety of applications such as microprocessors, embedded systems, and a wide range of other consumer electronics. In addition, the DC-DC Push-pull Active Clamp module has a small footprint and is easy to install.

Overall, the PAH450S4828/T is an ideal choice for regulating a low input voltage to a high output voltage and it can be used in a variety of applications. It offers flexibility, high efficiency, and a small form factor. With its reliable performance, the PAH450S4828/T is an excellent choice for a wide range of applications.

The specific data is subject to PDF, and the above content is for reference