TPS7A8801EVM-776

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Evaluation Boards - Linear Voltage Regulators

The TPS7A8801EVM-776 Evaluation Board is a linear regulator development platform for 3.3V and 1.8V supplies for the TI TPS7A8800 series of fixed or adjustable 3V to 30V low-noise input, low stand by current output voltage regulators. The TPS7A8801EVM-776 provides the shortest path to evaluation and system integration of the TPS7A8800 family of devices.

Application Field

TPS7A8801EVM-776 is widely used in developing and evaluating new ideas for 3.3V and 1.8V supplies in a variety of applications. For example, it provides an excellent low voltage noise option for applications such as digital audio, mobile phones, wireless communications, and other consumer devices. The board comes equipped with a clean power plane in addition to several user-friendly design jumpers.

Working Principle

The TPS7A8801EVM-776 board employs the TPS7A8800 family of devices. Onboard user-friendly design jumpers support a maximum input voltage of 30V and output voltages ranging from 1.8V to 3.3V with a maximum output current of 1A. The TPS7A8800 devices feature an adjustable soft-start circuit that smooths the input current waveform, making it ideal for powering processors and other digital ICs that require a low input voltage noise.

The board also houses two different voltage regulators, one of which is the TPS7A8801, the other being TPS7A8802. The TPS7A8801 features a low voltage noise of 48uVrms over a bandwidth of 10MHz, and is optimized for 3.3V output applications. The TPS7A8802 is an adjustable regulator that can be used for 1.8V and 3.3V output applications. Both regulators are capable of operating at a maximum output current of 1A.

The board also features two external voltage control pins that can be used to adjust the output voltage of the regulators. This feature greatly simplifies the task of optimizing the output voltage to suit the specific requirements of a particular application. The board also supports remote sensing of the output voltage, which is a feature especially important for applications that require precise voltage regulation.

The TPS7A8801EVM-776 also features a power-good signal that indicates when the regulator output has settled within its specified voltage tolerance. This is useful for ensuring the system receives clean, stable power.

Finally, the TPS7A8801EVM-776 Evaluation Board supports ESD protection on both input and output. This helps to maintain the board\'s delicate components and further contributes to its reliability.

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