THD 15-4821N

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DC DC converters are a type of electronic device used to convert low-voltage DC energy into higher-voltage DC energy. The THD 15-4821N, manufactured by China Power, is a DC DC converter designed to convert a 12V DC input into a 24V DC output at up to 30A of current. Thanks to its high power density, the THD 15-4821N is suitable for a wide variety of applications, including the powering of industrial automation equipment, communications equipment, and LED displays.

The THD 15-4821N uses a buck-boost topology, allowing it to effectively convert 12V input into 24V output without the need for having separate input and output circuits. This is beneficial in terms of cost, board space, and complexity. Additionally, the THD 15-4821N also includes several safety features, such as its built-in input over-voltage and over-temperature protections, to protect itself and downstream equipment from any potential damage caused by abnormal conditions.

At the heart of the THD 15-4821N lies its full-bridge PWM controller, which is based on a hysteretic control technique. The controller is responsible for controlling the period of the switching frequency, and consequently controlling the output voltage. When the output voltage is below the close reference voltage, the controller increases the switching frequency in order to increase the output voltage. Conversely, when the output voltage is above the reference voltage, the controller reduces the switching frequency in order to decrease the output voltage. The performance of the THD 15-4821N is improved further by the addition of external components such as a PFC inductor and filter capacitors, which are used to reduce voltage ripple and noise, respectively.

The THD 15-4821N also features an efficiency of up to 93%, making it an ideal choice for applications which require high efficiency without sacrificing performance. This is further aided by its extremely low no-load power consumption of less than 20mW, allowing it to maintain high efficiency with low operating costs. Additionally, the THD 15-4821N has a wide working temperature range of -40° C to +85° C, making it suitable for both indoor and outdoor applications.

In conclusion, the THD 15-4821N is a high-efficiency, high-power density DC DC converter designed for use in a wide variety of applications. The use of a buck-boost topology, enhanced by external components such as inductors and capacitors, enable the THD 15-4821N to efficiently convert 12V input into 24V output while simultaneously benefiting from its built-in safety features. Additionally, its high efficiency and wide working temperature range make it suitable for high-power applications, while its extremely low no-load power consumption keeps operating costs to a minimum.

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