PT4523N

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DC-DC Converters are incredibly versatile and reliable power supplies. Their ability to shape, transform and convert a power source to a new voltage is the primary function of every power conversion device. PT4523N is one of the most widely used DC-DC Converters in the market, designed as a general-purpose power solution for a wide range of applications.

The PT4523N is a high-frequency, high-efficiency, 45 X 23 mm, non-isolated dc-dc converter, developed for medium power applications. It can power up to 15W of output power at 9V-36V input voltage and is convenient for most of the general requirements, including cellular phones, PDAs, digital cameras and power amplifiers.

The PT4523N provides stable and regulated output voltage with maximum ±2% static voltage accuracy, a wide input voltage range from 9V to 36V, high conversion efficiency up to 90%, and high peak load current up to 6A, which is beyond the capacity of most LDO regulators.

The PT4523N features built-in output short-circuit protection, LED status indicators for open and short-circuit protection, no audible noise during operation, Safety and EMC approvals, and optimal size and low cost to ensure optimized performance. It is also equipped with a control circuit, enabling the PT4523N to reach a very low minimum current for light loads to achieve a lower power consumption.

The working principle of the PT4523N is based on the widely used buck boost topology. This topology allows the output voltage of the device to step up or step down as required. It increases the low voltage to a regulated higher voltage if the input voltage is lower than the output voltage. It decreases the higher voltage to a regulated lower voltage if the input voltage is higher than the output voltage.

The PT4523N works by harvesting energy from a voltage input, storing it in an inductor and releasing it to a regulator that outputs a regulated voltage. The inductor coils create a magnetic field to smooth out the voltage and current. With the increase of resistance, the inductor works as a current source, providing constant current to the load. The magnitude of current remains the same until the resistance exceeds the inductance or the DC output voltage is reached. The output voltage is variable and controllable by the PWM signal.

The PT4523N also features a wide output voltage adjustment range. It can easily adjust the output voltage from 1.5V to sixteen times of the input voltage, allowing it to meet different applications. This feature also makes the PT4523N ideal for use in automatic voltage and power regulation. The PT4523N also helps reduce the stress on other power components in your system, allowing you to get overvoltage protection and longer life from your power supply.

The PT4523N is an ideal choice for a wide range of applications. It has the potential to power various system types such as gate drives for motor control applications, DC motor control, portable power devices, drones, DC UPS, and PoE systems.

In conclusion, the PT4523N is a feature-rich versatile DC-DC converter that is perfect for a wide range of applications. It is a high-efficiency converter with high peak current, protection features, and low-noise operation. As a general-purpose power solution for medium power applications, the PT4523N can help to save time, money, space, and ensure an optimized performance.

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