PTN78020HAST

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 devices used to convert an unregulated DC voltage to a regulated, adjustable output voltage. PTN78020HAST is a high-efficiency 1.3A step-down DC-DC converter with a wide input voltage range from 2.5V to 5.5V and a fixed output voltage of 1.5V. It has a integrated 90mOhm/30mOhm power MOSFETs, allowing it delivers up to 1.3A of output current. It also supports a wide variety of package option to fit different customers’ demand.

The PTN78020HAST is used in a wide variety of applications, such as LED lighting, IoT devices, cell phone charger, portable medical and consumer electronics. Its wide range of input voltage and its high efficiency make the device suitable for a large variety of applications, and its fixed output make it easy to design an application using this device with no additional components. In addition, its integrated power MOSFETs provide higher efficiency compared to traditional solutions.

In addition, the PTN78020HAST can also be used in automotive applications, providing a reliable and high efficiency power source. It is also designed to withstand the harsh environment of car interior by using E-temp technology, which allows the device to operate under extreme temperature range. The output load transient regulation is also improved to provide better performance in automotive applications.

The working principle of PTN78020HAST is built on inductor-capacitor (LC) topology. It works by storing and releasing energy in an LC circuit to regulate the output voltage. The input DC voltage is applied across the inductor and a power MOSFET switch is used to control the flow of energy to the output load. When the switch is turned OFF, the current through the inductor will cause the magnetic field to build up and store the energy. When the switch is turned ON, the magnetic field is discharged and the energy is transferred to the output load.

The PTN78020HAST also features an integrated pulse width modulation (PWM) control function, which allows it to automatically control the output voltage by regulating the ON and OFF time of the power MOSFET switch. The device has an error amplifier and an external compensation network to keep the output voltage stable under different conditions. It also has over-temperature protection, over-voltage protection, under-voltage lockout and over-current protection to make sure the device works under safe conditions.

To summarize, the PTN78020HAST is a high-efficiency 1.3A step-down DC-DC converter with a wide input voltage range and a fixed output voltage of 1.5V. It offers excellent performance in a wide variety of applications, such as automotive, LED lighting, IoT, cell phone charger, portable medical and consumer electronics. Its integrated power MOSFETs provide higher efficiency compared to traditional solutions, and its error amplifier and external compensation network keeps the output voltage stable under different conditions. Its working principle is based on LC topology and it uses a power MOSFET switch to regulate the output current.

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