TPS53667RTAT Integrated Circuits (ICs)

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TPS53667RTAT, as a voltage regulator in DC DC switching controllers, can be applied in various scenarios. In this article, the application field and working principle of the TPS53667RTAT will be discussed in detail.

TPS53667RTAT is goverened by advanced current-mode control which results in a faster transient response. This controller IC has a sole 8-bit programmable output voltage, which has a range of 0.5V to 5.5V. This makes it suitable for various applications and scenarios, such as PC memory and motherboard power supplies, servers and backplanes, GPUs, and ISNS.

The wide input voltage of TPS53667RTAT allows it to operate with a 4V to 20V, making it suitable for many different types of power supplies, including the most commonly used 20-24V power supply. In addition, the current limit feature of this IC makes it easier for design engineers to monitor and anticipate power system anomalies by monitoring current draw.

TPS53667RTAT is also optimized for high frequency and low temperature operations. This makes it suitable for operating in a variety of temperatures, from -40°C to 125°C . Moreover, TPS53667RTAT features low input and output ripple, making it suitable for use in high accuracy systems, such as medical and military applications.

The output voltage of TPS53667RTAT is set via its internal DAC converting an 8-bit input into an output voltage. The external components consisting of resistor, amplifier, and filter are used to generate this 8-bit command. The filter measures the average output voltage over a period of time and the amplifier uses this filtered voltage to adjust the output voltage level.

Additionally, TPS53667RTAT features a built-in error amplifier and an enable pin for soft start. The enable pin has the capability to be driven externally by an enable signal or by a logic gate that is driven from an external analogue voltage. The error amplifier controls the loop automatically and provides a reliable over-voltage protection.

Furthermore, the TPS53667RTAT integrates two fault prevention circuits. The first circuit is an overload protection circuit that limits the maximum power output. The second protection circuit is an over-temperature protection circuit which shuts down the output when the temperature exceeds a certain limit.

In conclusion, the TPS53667RTAT is a highly efficient and versatile DC DC switching controller. It features a wide input voltage range, low input and output ripple, wide temperature range and two built-in fault prevention circuits. The output voltage is set via an 8-bit DAC and is controlled automatically by the error amplifier. Therefore, TPS53667RTAT can be applied to many different power supply applications and provide reliable operation at a wide range of temperatures.

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