PT6626M

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DC-DC converters are essential components of any electrical system. They are used to regulate and convert voltage or current levels in order to provide power to various electronic components. The PT6626M is a DC-DC booster converter that has several uses in a variety of systems. This article will explain the application field and workings of the PT6626M.

Features and applications of the PT6626M

The PT6626M is a boost DC-DC converter from the company Powertech Systems. It is designed for use in automotive, computer, consumer electronics, telecommunication and industrial applications. It has a wide input voltage range from 4.5V to 25V, making it suitable for many different types of power sources. The output voltage can be easily adjusted over a range of 2.25V to 13.8V. The PT6626M also features excellent efficiency, with up to 95% peak efficiency. This makes it an ideal choice for applications that require high power output but with minimal current draw.

One major advantage of the PT6626M is its low noise operation. Its switching frequency can be adjusted from 100 kHz to 1.2 MHz, enabling designers to select the optimal frequency for their application. This helps to minimize electromagnetic interference (EMI) and reduce audible noise. In addition, the PT6626M has integrated thermal protection and short-circuit protection features which help to protect it and the circuit in which it is being used.

The PT6626M can be used in a variety of applications, including not just DC-DC conversion but buck and boost circuits as well. It is suitable for automotive applications, such as power management for ECUs. It can be used in computers to power USB ports from a single power source. It is also a great choice for consumer electronics such as mobile phones, digital cameras and portable music players. It is also used in industrial applications such as solar inverters, UPS systems and LED lighting.

Working Principle

The working principle of the PT6626M is based on the switching between two distinct operations. In the first mode, the switching transistor is turned on and the inductor, capacitors and output diode circuit form a resonant circuit which stores and releases energy. The coil accumulates energy during the on-time of the switching transistor and releases it as the transistor is turned off. This allows the converter to increase the output voltage higher than the input voltage.

The second mode of operation, which happens when the switching transistor is off, is known as the discharge mode. During this phase, the inductor releases its stored energy and charges the output capacitor, further increasing the output voltage. When the output voltage reaches the desired level, the output voltage monitor will turn off the switching transistor and stop the process until the new cycle begins. This is the basic operation principle of the PT6626M DC-DC converter.

Conclusion

The PT6626M is a great choice for a variety of power management applications. Its wide input voltage range, low noise operation and integrated protections all make it a safe and reliable choice. Combined with its high efficiency and adjustable output, the PT6626M is an ideal choice for automotive, consumer electronics and industrial applications.

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