PT6645E

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

DC-DC converters are devices used to convert a DC voltage from one level to another. They are used in a variety of applications, from regulating electronic components to power systems. The PT6645E is one such device, designed for a specific application and featuring an advanced working principle.

Application Field

The PT6645E is a step-up and step-down converter designed for telecommunications systems. It is intended for use in digital base station applications, such as those found in cellular networks. The device can be used to convert a direct current voltage from one level to another, allowing for the transfer of power to an RF device from a battery or DC power source.

In these applications, the PT6645E can act as an efficient power converter, providing a convenient and reliable source of power. It also can be used to reduce the size and weight of a system, as well as to create a more efficient system design. In addition, the device can be used to maintain a constant voltage level, even when a power source is changed or the load is increased.

Working Principle

The PT6645E employs a switching topology, which improves efficiency and simplifies circuit design. The device is equipped with an active switch and a power recovery switch, which can be operated in different modes. In the active mode, the active switch is used to convert the input voltage to the output voltage. In the recovery mode, the power recovery switch is used to turn off the active switch and return the remaining energy stored in the inductor to the input voltage source.

The device can operate in either voltage- or current-mode control. In the voltage-mode, the output voltage is directly regulated to maintain a constant voltage level. In the current mode, the output current is monitored and controlled to provide accurate power transfer. In addition, the device is equipped with various protection features, such as over-voltage protection, under-voltage protection, over-temperature protection, and over-current protection.

The PT6645E is equipped with an MOSFET switch, which provides low on-resistance for high efficiency. The device also features a soft-start function, which helps reduce inrush current, as well as a power-on reset function for improved system reliability. The device is available in a TO-263 package, making it easy to integrate into existing systems.

The PT6645E is a highly efficient and reliable DC-DC converter, ideal for use in digital base station applications. With its advanced switching topology and robust protection features, the device ensures an accurate and reliable transfer of power. Additionally, its integrated soft-start and power-on reset functions help to improve system reliability and reduce inrush current.

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