TL2575HV-05QKTTRQ1 Integrated Circuits (ICs)

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The TL2575HV-05QKTTRQ1 is a part of Texas Instruments’ family of DC-DC Step-Down switching regulators, commonly referred to as a "buck" converter. DC-DC buck converters offer a compact, power efficient solution for providing regulated output voltages from a higher input voltage source.

The TL2575HV-05QKTTRQ1 was designed to meet the requirements of low voltage, low current, high efficiency DC-DC power conversion. It incorporates an ultra-low quiescent current, adaptive on-time control scheme, and an integrated internal high side MOSFET. This device can be adjusted to provide a fixed output voltage of 05V, while providing a high level of efficiency. The TL2575HV-05QKTTRQ1 can achieve up to 95% efficiency for moderate to light load applications.

The TL2575HV-05QKTTRQ1 is a non-synchronous, step-down DC-DC converter capable of delivering constant output current. It is designed to minimize the number of external components required. The device provides excellent line and load regulation, low output voltage ripple, short-circuit protection, and over-current protection. It also provides thermal shutdown and over-temperature protection.

The TL2575HV-05QKTTRQ1 is available in a 4 mm x 4 mm QFN package. It is designed to operate over an input voltage range of 2.3 V to 5.5 V and has a Maximum Output Current of 2.5 A. It has adjustable switching frequency from 300 kHz to 3 MHz, allowing for improved efficiency and system cost optimization. It also has low shutdown current and a wide range of output voltage capabilities.

The TL2575HV-05QKTTRQ1 provides an ideal solution for powering low voltage, low current applications such as FPGAs, microcontrollers, digital media players, and system-on-chip (SoC) devices. It is also suited for a wide range of devices that require a constant or adjustable output voltage, such as digital cameras, handheld devices, and portable electronics.

The TL2575HV-05QKTTRQ1 works by operating in a transition mode that allows it to efficiently and accurately regulate the output voltage. In this mode, the switching element, an N-channel MOSFET, is switched on when a current threshold (which is proportional to the output voltage) is reached. The MOSFET then begins to conduct and the inductor current, which had been ramping up, starts to ramp down. As the inductor current ramps down, the output voltage rises. When the required output voltage is reached, the current falls below the threshold, the MOSFET switches off, and the cycle repeats.

The TL2575HV-05QKTTRQ1 is a robust, efficient DC-DC buck converter with a wide input voltage range, low noise operation, and integrated protection against over-current, over-temperature, and thermal shutdown. It is ideal for low voltage, low current applications, offering improved efficiency and cost optimization. The device is available in a 4 mm x 4 mm QFN package, making it an ideal solution for space-constrained applications.

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