TPS73HD318PWPR

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The TPS73HD318PWPR is a linear voltage regulator developed by Texas Instruments. It’s a step-down regulator operating in a broad input voltage range of 1.2 V to 15 V, providing output voltages of down to as low as 0.8 V. It’s intended for use in DC-DC voltage converters and in battery-powered applications.

The device has a low power consumption of 0.3 mA (typical) and features fast transient response.

The TPS73HD318PWPR allows the design of power and battery-management systems in a variety of boards, such as rack-mounted servers, notebooks, set-top boxes, video game consoles and more, where low-voltage, high-current outputs are required.

The TSOP73 package of the TPS73HD318PWPR comprises an 8-pin SOIC package and offers enhanced thermal performance compared with SOT-23-5 packages. The device is protected from reverse voltage surges, excessive current and thermal shutdown.

The total system power consumption can be reduced with its low dropout voltage, resulting in extended battery life. It has a fixed, typical output voltage accuracy of 1% over entire temperature range and is capable of delivering up to 1 A of output current with a current-limit value at 1.2 A.

The TPS73HD318PWPR operates over an extended temperature range of -40°C to +125°C, which allows it to be used in a wide range of applications where high reliability and temperature stability are required. The low-noise regulator also provides protection against reverse current and it is capable of supporting both high and low battery voltages.

The working principle of the the TPS73HD318PWPR is simple and effective. A differential amplifier senses the output voltage and, if the voltage drops, it sends an error signal to the pulse-width controller, which increases the duty cycle until the voltage comes back to the desired value. This signal is fed back into the system through a feedback loop, which acts as a gate-driving signal for the power switches.

The TPS73HD318PWPR is designed for maximum integration and flexibility of the system. The device has adjustable output voltage and current, programmable protection thresholds, adjustable switching frequency and overvoltage protection. The TPS73HD318PWPR includes several features to reduce power consumption and improve overall performance, without compromising system reliability.

Overall, the TPS73HD318PWPR is an efficient, reliable, and cost-effective voltage regulator ideal for a variety of applications. It offers excellent transient response, low quiescent current, and high accuracy, making it the ideal regulator for battery-support applications.

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