TOP256PN

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

PMIC - AC DC Converters, Offline Switchers are types of power management integrated circuits (PMICs). They are used in a variety of applications, from automotive and consumer electronics to industrial and commercial applications. They are designed to efficiently convert AC power input to low-voltage DC output. The TOP256PN, in particular, is a high-efficiency off-the-shelf one-watt, high-voltage power linear regulator.

The TOP256PN is capable of providing up to one watt of power at affordable prices, with the power output being adjustable up to 32V. The integrated power transistors are also capable of handling currents of up to 2A, making it suitable for applications such as laptop power adapters, digital video and audio devices, and automotive fans.

The main advantage of the TOP256PN is its fast response time and excellent protection circuitry, which ensures the device does not overheat or suffer from dangerous runaway conditions. The device also includes overvoltage protection and thermal protection for added safety. Additionally, the device can operate with a wide input voltage range from 4V to 40V.

The following provides a detailed overview of the TOP256PN application field and working principle.

Application Field

In its most basic configuration, the TOP256PN is suitable for applications where the output voltage must be adjustable. This is because it employs a linear regulator, which enables the output voltage to be varied through a resistive divider circuit. This is useful in applications such as LED lighting, which requires different output voltages to control brightness.

The TOP256PN is also suitable for automotive applications, owing to its high efficiency, wide input voltage range and fast response time. It has been specifically designed to withstand the heavily fluctuating input voltages and currents that are commonly found in automotive environments. It has also been designed to provide a long and reliable lifetime.

The TOP256PN is also suitable for industrial and commercial applications, given its excellent protection circuitry, wide input voltage range and high efficiency. This makes it an excellent solution for applications such as uninterruptible power supplies and power supplies for servers and other computer applications.

Working Principle

The TOP256PN is based on a Buck topology and uses two integrated N-type power transistors to convert the input voltage from AC or DC to the output voltage. The buck converter works by converting energy from the input voltage to the output voltage through a process of Pulse Width Modulation (PWM). This is achieved by controlling the switching frequency and duty cycle of the integrated transistors.

The TOP256PN also includes additional circuits for overvoltage protection, soft start and over temperature protection. These additional features ensure that the device does not overheat or fall into a runaway condition, and also allows the device to start up smoothly and safely.

The TOP256PN is a highly versatile device and its application field is broad. Its wide input voltage range, fast response time, high efficiency, and excellent protection circuitry make it suitable for a variety of applications such as automotive, industrial, and commercial ones. It is also easy to use and requires minimal setup, which makes it an ideal choice for users who are not familiar with power switching circuits.

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