TPS875P3

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TPS875P3 is a high voltage, low power, low noise linear voltage regulator. It uses an internal 2.7V reference source and with up to 10V supply differential it can output voltages from 0.7V to 12V. It has a dropout voltage of 0.3V when used with 10V of input differential. The device also includes a write protection feature, which disables all outputs.

The TPS875P3 operates with a single resistor from the output voltage to the feedback pin, which sets the output voltage of the part. The device also includes two enable pins, one of which can be used as an enable/shutdown input.

The power stage of the TPS875P3 consists of an Operational Amplifier (OPA340) in a non-inverting configuration. The output voltage of the regulator is determined by the following equation: Vout = Vref + (Vin-Vref - 0.3V) X Rfb/Rf. The reference voltage is 2.7V. The Rf and Rfb resistors can be selected to optimize output voltage accuracy and stability.

The TPS875P3 is ideal for applications that require a low power, low noise, and a very low dropout linear voltage regulator such as automotive, consumer, medical, and even industrial applications. The device is perfect for automotive power applications due to its ±5% max output voltage tolerance and high 10V input differential voltage. It is also perfect for medical applications because of its wide 0.7V to 12V output voltage range, its low quiescent current, fast transient response, and low output noise.

In summary, the TPS875P3 is a high voltage, low power, low noise linear voltage regulator. It uses an internal 2.7V reference source and with up to 10V supply differential it can output voltages from 0.7V to 12V. The device is ideally suited for automotive, consumer, medical and industrial applications due to its wide voltage range and low noise. It is also a good choice for medical applications because of its fast transient response and low quiescent current.

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