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DC DC Converters

DC-DC converters are a type of electrical components used to convert unregulated direct current from a source to a regulated form of the same current. These components come in a wide range of styles, sizes and input/output power ratings, with applications ranging from small electronic devices, such as laptops and cell phones, to large scale industrial equipment, such as transformers or generators.

One example of a DC-DC converter is the TPS826721SIPR. This component is specifically designed for ultra-low-current and low-voltage applications. It has an input voltage range of 1.580V - 5.25V and a regulated output voltage that can be configured anywhere from 0.75V to 5.25V. This makes it ideal for systems that require a stable output voltage, while still being able to accommodate a large range of input voltages. The TPS826721SIPR can also supply a maximum output current of 2.6A.

Application Field

The TPS826721SIPR has a wide range of applications. Typical applications include USB ports, high brightness LED lighting, consumer electronics and medical devices, such as blood pressure monitors. Additionally, the component can be used in motor drives, which require higher current and voltage capabilities than the component can provide naturally. In these cases, the component can be used with a switching circuit to increase the current and voltage output.

Working Principle

The TPS826721SIPR is a step-down, pulse-width modulation (PWM)-based DC-DC converter. This means that it uses pulses of electricity to regulate the output voltage. When the input voltage is greater than the regulated output voltage, the PWM signal will cause the converter to open a switch in the component and discharge the excess voltage. When the input voltage is lower than the output voltage, the switch will close and the voltage will be held at the regulated output level. This process continues until the desired voltage is achieved.

The converter also has several other features, such as over-current and over-temperature protection, which ensure that it operates within all of its specifications. Additionally, the component includes a enable pin that can be used to control the input and output for a specific application.

Conclusion

The TPS826721SIPR is a step-down, PWM DC-DC converter designed for ultra-low-current and low-voltage applications. It has a wide range of applications, from consumer electronics to motor drives, and features a variety of protection mechanisms to ensure safe operation.

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