TPS73501EVM-276

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The TPS73501EVM-276 board is an evaluation module (EVM) designed to help in the evaluation of the TPS735xx family of low dropout (LDO) regulators. The board features a very low quiescent current, ultra-low noise, a very wide input voltage range, high PSRR, and over-temperature protection. This makes the TPS73501EVM-276 board applicable for use in battery-operated devices, portable instruments, and space-constrained, energy-conscious systems.

The TPS73501EVM-276 board consists of an input voltage regulator IC, a switching FET, a buck regulator, a boost regulator, and various discrete components. The input voltage regulator IC is configured as a buck converter and is used to ensure a wide input voltage range and high efficiency. The switching FET is configured as a boost converter and is used to provide a high output voltage range without degrading the efficiency. The buck and boost regulators are used to provide low quiescent current, high accuracy, and fast transient response. The various discrete components are used to provide thermal protection and additional filtering.

The TPS73501EVM-276 board works by using either the buck or boost regulators to maintain a consistent input voltage. When the input voltage falls below a set threshold, the buck regulator reduces the input voltage, increasing efficiency. When the input voltage rises above the set threshold, the boost regulator increases the input voltage, again increasing efficiency. The system then monitors the output voltage and compensates for voltage fluctuations by adjusting the current to the output load.

The TPS73501EVM-276 board also provides over-temperature protection. The board shuts down the regulator automatically when the temperature exceeds a certain level, thereby protecting the IC and the entire circuit. Additionally, the board includes a thermal protection circuit that shuts down the regulator during high-temperature conditions, keeping the system stable even in extreme operating conditions.

The TPS73501EVM-276 can be used in many applications such as portable instruments, battery-operated devices, systems requiring high PSRR and very low noise, and systems with a wide input voltage range. It is also an excellent choice for low-noise portable audio recording and playback applications. Additionally, the board’s ultra-low quiescent current and over-temperature protection make it ideal for use in space-constrained, energy-conscious systems.

In summary, the TPS73501EVM-276 is an evaluation module designed to evaluate the TPS735xx family of low dropout regulators. It features a very low quiescent current, over-temperature protection, ultra-low noise, a wide input voltage range, and high PSRR. The board is applicable for use in battery-operated devices, portable instruments, and space-constrained, energy-conscious systems. Additionally, it can be used in low-noise portable audio recording and playback applications.

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