TPS51225CRUKR

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The TPS51225CRUKR is a boost converter containing a DC/DC converter with both linear and switching capabilities. This part is an excellent choice for a high power density design and can be used in applications such as telecom, lighting, and industrial process control.

The TPS51225CRUKR is a single inductor boost converter with the ability to create output voltage that is higher than the input voltage. It features integrated power MOSFETs and low-side current sensing elements, which allows it to provide precise control of the output voltage and high efficiency. It offers several features, including adjustable voltage regulation, selectable power VDD output, selectable minimum operating current, adjustable soft-start, and programmable over-voltage protection. All of these features make the TPS51225CRUKR an ideal choice for a variety of applications.

The TPS51225CRUKR is designed to operate in either a linear or a switching mode. In linear mode, the device regulates the output voltage to a precise level. The output voltage is controlled by a voltage divider network on the feedback line. The device is configured to operate in linear mode by setting the EN pin to logic low. When the EN pin is set to logic high, the device operate in switching mode.

In switching mode, the device uses a voltage feedback loop to regulate the output voltage to a precise level. The error amplifier controls the duty cycle of the internal Power MOSFET, resulting in an output voltage that is determined by the external components connected to the FB and COMP pins. The duty cycle is controlled by comparing the feedback voltage to the reference voltage from the internal fractional-N divider. The device provides a highly efficient buck-boost converter solution by using external components to set the output voltage and the operating frequency.

The TPS51225CRUKR also includes various protection circuits to protect the part from damage due to overload or short circuit. These protection circuits include overheating protection, short-circuit protection, over-voltage protection, and over-current protection. The device also provides an adjustable soft-start feature to reduce inrush current when the converter is turned on.

The TPS51225CRUKR is an ideal solution for high power density designs due to its efficient operation and integrated features. Its high level of integration and protection features make it well-suited for use in a wide range of applications, including telecommunications, lighting, and industrial process control.

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