TPS7A3401DGNR

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The TPS7A3401DGNR is a Voltage Regulator, which belongs to the PMIC (Power Management Integrated Circuit) family. It is a linear voltage regulator that offers high dc accuracy, excellent line and load regulation, and fast response times to changes in output load, supply voltage and transient fluctuations. The TPS7A3401DGNR is designed to provide adjustable and fixed output voltage in a wide range of applications.

The TPS7A3401DGNR output voltage range is programmable from 0.9V to 3.3V. It can provide 0.07V of dropout voltage at 100mA of output current, and up to a maximum of 1A of output current without additional external components such as an external low-dropout (LDO) regulator or an insulated-gate bipolar transistor (IGBT). This feature is beneficial in space-constrained applications, where both cost and space savings can be achieved.

The TPS7A3401DGNR voltage regulator is well-suited for applications such as point-of-load regulators, power management in digital-signal processor (DSP), microcontroller (MCU) and application processor (AP) systems, linear buses, power management on motherboards, as well as mobile applications such as smartphones, wearables, tablets, etc. It is designed to operate over a temperature range from -40°C to 125°C without any performance degradation.

The TPS7A3401DGNR voltage regulator utilizes a two-stage architecture—output voltage error amplifiers and voltage reference. The output voltage error amplifiers are controlled by the reference voltage, which is generated by a voltage reference IC. The voltage reference IC has an internal voltage follower, which helps to decrease noise and provides faster response time and tracking. The output of the voltage reference is multiplied by the load and supply feedback components, and compared to the inputs of the error amplifiers. The error amplifiers then adjust the output voltage accordingly, providing high accuracy and fast load transient response.

The regulator has several features designed to minimize EMI, thermal slowing and power efficiency. It has an advanced output stage, which reduces current noise and EMI. It also has a low-dropout voltage and an excellent power stage thermal slowing. Lastly, the TPS7A3401DGNR voltage regulator has an advanced power efficiency optimization circuit, which minimizes power dissipation by adjusting the output voltage to match the load. Together, these features ensure that the regulator is able to meet high performance and low-power requirements.

The TPS7A3401DGNR voltage regulator is a high-precision, flexible and efficient solution for applications requiring wide range of adjustable and fixed output voltage. Its robust features, such as its low-dropout voltage, fast load transient response and excellent EMI performance, make it an ideal choice for embedded and mobile applications.

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