PT6223R

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DC DC converters are used to transfer power from one source to another. The PT6223R is a high-efficiency AC-DC converter designed for use in hostile environments, such as industrial, field, and marine applications. This device features a current-mode PWM controller with auto restart to guarantee low operating losses and excellent transient response. It also offers adjustable current limiting and temperature protection, making it well suited for a wide range of applications.

The PT6223R offers a wide input voltage range, making it suitable for universal input voltage supplies. It is equipped with a high-voltage input of 2V and a low-voltage input of 1.25V. The output voltage can be adjustable from 0.6V to 5V and offers a maximum of 20 A of peak current. The device provides high-current drive pulses (up to 4A per pulse) with low-ripple current capability. It also offers wide temperature compensation ranges, allowing it to adapt to varying environmental conditions.

The PT6223R features a low profile, allowing it to be used in cramped working environments. It has low heat dissipation and minimal acoustic noise, making it an ideal choice for noise-sensitive applications. The device also offers excellent full-load efficiency of 92%, allowing users to save energy. It also has a low-noise startup control, making it reliable and safe.

The working principle of the PT6223R is based on the principle of the current-mode, pulse-width-modulated (PWM) control. The PWM pulses are generated by the internal oscillator, which is triggered by a zero-crossing signal from the input side. The PWM pulses are then used to control the output voltage. This allows the output voltage to be adjusted even when there is a large variation in the input voltage.

The PT6223R also features an integrated protection circuit. This ensures that the output voltage remains within a safe range even when there is a sudden surge in the supply voltage. The device also offers adjustable current limiting, which helps protect components from overloads and short circuits. It is also equipped with overtemperature protection, which helps to reduce the risk of component failure due to high ambient temperatures.

The PT6223R is an ideal choice for wide range of applications, from industrial to marine. It offers versatile features such as adjustable output voltage, peak current capability, low-noise startup control, current limiting and temperature protection. It is also highly efficient, energy-saving, and reliable, making it an ideal choice for many applications.

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