TPS7A4501DCQT

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PMIC - Voltage Regulators - Linear
The TPS7A4501DCQT is a low dropout, low noise, fast transient response dc-dc linear voltage regulator with an adjustable output voltage version. Operating within input voltage range from 2.7 V to 5.5 V, this adjustable voltage regulator has an output voltage of 0.6 V to 4.5 V with a load current up to 1 A. This adjustable voltage regulator device also features low noise performance, excellent line/load transient response, and a low dropout voltage at light load. The output voltage of this voltage regulator can be easily adjusted with two external resistors. The TPS7A4501DCQT is highly suitable for various applications such as automotive digital power supplies, consumer electronics including mobile phones, computer peripherals, and industrial communications equipment. It is the preferred choice for low-noise voltage regulation and is offered in small SOT23-5 package. The efficacy of this voltage regulator is further enhanced by features like thermal shutdown, ground-referenced input/output current limitation, and selected unity-gain stable frequency up to 1 MHz.The working principle of TPS7A4501DCQT is simple and intuitive. By using two resistors, the output voltage is determined by the input voltage, output current, and the external resistor values. The voltage at the output is directly proportional to the ratio of the two resistors. When the output voltage is sensed to be greater than the desired voltage, the internal control circuitry reduces the output voltage till the set voltage is achieved. Similarly, when the output voltage is less than the desired voltage, the internal control circuitry increases the output voltage.The transient performance of TPS7A4501DCQT can quickly recover from a sudden drop or sudden increase in output current. When the load current suddenly increases or decreases, the output voltage is pulled up or pulled down by the internal control circuitry and maintains the desired voltage at the output. This fast transient response helps in maintaining the output voltage in an efficient way. The TPS7A4501DCQT comes with a wide range of features and attributes to provide high quality power supply for various applications. The device offers a low dropout voltage and is steady even at a low input voltage. With its low noise generation, excellent line/load transient response, and adjustable output voltage, the device provides superior performance over other voltage regulators and makes it a suitable choice for low-noise voltage regulation.The TPS7A4501DCQT is also highly reliable. It is equipped with thermal shutdown and current limitation features to protect the device from any thermal overload or overtaking of current. The device also offers exceptional protection against over-temperature and under-voltage operations. Additionally, this voltage regulator device is also highly cost-effective as it can operate efficiently on a wide input voltage range of 2.7 V to 5.5 V. The small SOT23-5 package of the TPS7A4501DCQT also makes it suitable for use in a small-sized circuitry. This helps in saving the costs associated with the implementation of larger components and makes the device more suitable for small and thin designs. With its exceptional performance, reliability, and quality, the TPS7A4501DCQT is the preferred choice for applications such as mobile phones, automotive digital power supplies, computer peripherals, and industrial communications equipment.To conclude, the TPS7A4501DCQT is a dc-dc linear voltage regulator with an adjustable output voltage version, operating within input voltage range from 2.7 V to 5.5 V and delivers an output voltage of 0.6 V to 4.5 V. With features such as low noise performance, fast transient response, and low dropout voltage, this adjustable voltage regulator is a preferred choice for applications such as mobile phones, automotive digital power supplies, computer peripherals, and industrial communications equipment. Its small SOT23-5 package also makes it cost-effective and suitable for small and thin designs. With features like thermal shutdown, ground-referenced input/output current limitation, and selected unity-gain stable frequency up to 1 MHz, the TPS7A4501DCQT stands out as an efficient and reliable low-noise voltage regulator.

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