TDN 5-0915WISM

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DC DC converters are designed to convert an input DC voltage to a different output DC voltage, typically with conversions involving both step-up and step-down capabilities. A common example of a DC DC converter is the TDN 5-0915WISM, an isolated DC DC converter designed to be used with embedded microprocessor applications such as microcontrollers, single board computers, and systems with current limiting or battery power. This article will discuss the application field and working principle of the TDN 5-0915WISM.

The TDN 5-0915WISM is a highly efficient, fully isolated DC DC converter designed to switch between +5V input voltage to a regulated +3.3V output. The TDN 5-0915WISM has a maximum output current of 1.5A (which can be increased to 3A), an input voltage range of 4.75V to 5.25V, an output voltage accuracy of ±0.5%, and an efficiency of up to 97%. The TDN 5-0915WISM also features an outstanding thermal performance, allowing it to operate at a junction temperature up to 100°C. All of these features make the TDN 5-0915WISM the perfect choice for a wide range of embedded microprocessor applications.

The TDN 5-0915WISM is designed to be used with a variety of microprocessor applications, including PLCs, industrial control systems, communication systems, and industrial automation. The TDN 5-0915WISM is also suitable for applications requiring battery backup, since it can switch between an external power source and the backup power source in the event of a power interruption. The TDN 5-0915WISM can also be used in applications that require current limiting, as it can limit the output current to the maximum level set by the user.

In order to understand how the TDN 5-0915WISM works, it’s important to understand the basics of DC/DC converters. Put simply, DC/DC converters work by converting a given input voltage to a different output voltage. The basic function of the TDN 5-0915WISM is to take an input of 4.75V to 5.25V and convert it into an output of +3.3V. This is accomplished through a combination of inductors, capacitors, and transistors.

The TDN 5-0915WISM utilizes an inductor and capacitor network to convert the input DC voltage into a high frequency AC voltage, which is then fed into a transistor-based switching circuit. The transistor-based switching circuit is responsible for converting the high frequency AC voltage back into a regulated DC output voltage. The switching circuit also provides additional filtering to ensure that the output voltage is within the ±0.5% accuracy range.

The TDN 5-0915WISM also features a number of protection functions to protect the device from potential overloads and other dangerous conditions. These protection features include over-voltage protection (OVP), short circuit protection (SCP), reverse input protection (RIP), and current limiting. These protection features help to ensure that the device operates safely and reliably.

In summary, the TDN 5-0915WISM is a highly efficient, isolated DC DC converter designed to switch between +5V input voltage to a regulated +3.3V output. The TDN 5-0915WISM can be used for a variety of microprocessor applications, such as industrial process control systems, communication systems, and industrial automation, as well as for providing battery backup and current limiting. The TDN 5-0915WISM utilizes an inductor and capacitor network combined with a transistor-based switching circuit to convert the input voltage into a regulated output voltage, while also providing additional filtering and protection features for maximum safety and reliability.

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