TPS73525DRVT

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The TPS73525DRVT is an ultra-low-noise linear regulator with a voltage step-down converter. It is designed to deliver up to 1A of current at a voltage output of 18V, while achieving extremely low output noise (50uVrms). The TPS73525DRVT is part of the Texas Instruments Power Management IC (PMIC) Voltage Regulator product family.

The TPS73525DRVT is ideal for portable devices such as laptops and tablets that require reliable, low-noise powering. It\'s also suitable for powering sensitive analog and mixed-signal circuits. Additionally, the TPS73525DRVT has a wide input voltage range from 7V to 36V, making it suitable for many input voltages out of the box.

The key features of the TPS73525DRVT include an enable pin to control power to the output, a pre-biased start-up voltage of 375mV, a low maximum dropout voltage of 50mV at full load, a programmable transition frequency of up to 1MHz, a wide operating temperature range of -40°C to 85°C, and an inexpensive solution when compared to other ultra-low-noise regulators.

The TPS73525DRVT\'s application fields are various and its working principle is simple. It consists of a voltage reference, an error amplifier, a control circuit, a comparator, and a driver circuit. The voltage reference sets the desired output voltage with a programmable transition frequency of up to 1MHz. The error amplifier compares the output voltage with the reference voltage, and amplifies the differential voltage and sends it to the control circuit.

The control circuit then amplifies the signal and the comparator compares it with the reference voltage. The comparison result is sent to the driver circuit and then to the output transistor. If the differential voltage is too low, the output transistor is turned off, and if the differential voltage is too high, the output transistor is turned on. This operation is repeated continuously and the output voltage is constantly regulated to the desired level.

In summary, the TPS73525DRVT is an ultra-low-noise linear regulator with an additional voltage step-down converter. It is designed to deliver up to 1A of current at a voltage output of 18V. The device has a wide input voltage range from 7V to 36V and a wide operating temperature range of -40°C to 85°C, making it an ideal choice for many applications. The TPS73525DRVT has a pre-biased start-up voltage of 375mV, a low maximum dropout voltage of 50mV at full load, and a programmable transition frequency of up to 1MHz. Additionally, it is an inexpensive solution in comparison to other ultra-low-noise regulators. All of these features make the TPS73525DRVT an ideal choice for powering portable devices and other sensitive analog and mixed-signal circuits.

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