IH0503D

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DC-to-DC converters act as a vital bridge between a constant source of power, such as a battery, and the desired load. This is especially true of the IH0503D DC-to-DC converter, which employs an isolated power conversion technology to ensure a reliable, efficient power conversion. The features of the IH0503D and the broad applications it supports are outlined below.

Applications of the IH0503D DC-to-DC converter

The IH0503D is a versatile DC-to-DC converter that can be used in a variety of applications, including power supplies, solar inverters, automotive electronics, and industrial controllers. The module offers a wide input voltage range of 20V to 64V, allowing it to be used in a wide array of applications. The product also has a wide output voltage range of 0.9V to 5.5V. This makes it an ideal converter for small power applications, such as cell phone chargers, LED lighting, PC motherboards, and audio equipment. The module also features a global input voltage acceptance ranging from 85VAC to 264VAC, making it useful for other applications such as chargers, medical device power supplies, and refrigeration units.

Features of the IH0503D DC-to-DC converter

The IH0503D is designed to achieve high power conversion efficiencies over a wide operating temperature range. The module has a built-in 4 Layer PFC circuitry and wide temperature range (–20°C to 85°C) operation with switching frequency of 300 kHz. It also features dual output protection including a brown-out protection (MBP) and over-power protection (OPP). The product also has an auto restart function and an operating frequency synchronization circuit to provide higher noise immunity. Additionally, the product has a built-in temperature detection circuit, which ensures that the converter operates in a safe temperature range. The product also passes various international safety standards such as UL, CSA, Edec, and VDE.

Working Principle of The IH0503D DC-to-DC converter

The IH0503D DC-to-DC converter utilizes a two-stage topology to achieve high efficiency and power density. The two stages are the primary stage and the secondary stage. In the primary stage, the input voltage is stepped down through a transformer. Then, an inductor is used to filter the output waveform to achieve a smooth DC output voltage. The secondary stage is a two-phase full-bridge power supply. The secondary stage is responsible for regulating the output voltage. The full-bridge topology provides multiple advantages, including a lower number of components, higher efficiency, and protection against short-circuit. Additionally, the PFC circuit allows the module to maintain a high level of power efficiency, while the soft starting circuit enables a safe, reliable start-up.

Conclusion

The IH0503D DC-to-DC converter is an ideal choice for a wide range of applications, thanks to its wide input and output voltage range and power efficiency. The product features dual output protection, auto restart functionality, and a built-in temperature detection circuit. Additionally, the product utilizes an isolated power conversion topology and a two-stage topology to provide high efficiency and power density.

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