TPS72748YFFT

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TPS72748YFFT Application Field and Working Principle

The TPS72748YFFT is a low-dropout (LDO) regulator suitable for voltage conversion in power management or other applications. It is categorized as a linear voltage regulator, which is a device that maintains a constant voltage near its output, enabling maximum voltage regulation. Voltage regulation is necessary when supplying power to sensitive circuits that are vulnerable to voltage fluctuations. The TPS72748YFFT is designed to minimize power dissipation, save space, and maximize performance in PMIC applications.

Overview of TPS72748YFFT

The TPS72748YFFT is specifically designed to meet the needs of low output voltage and low power PMIC applications such as mobile phones, wearables, and smart devices. It is a linear voltage regulator with a low dropout voltage, allowing it to convert higher input voltages at a low cost. The TPS72748YFFT has a wide input voltage range of 2.2V to 5.5V, allowing it to be used in various applications with different input voltages. The TPS72748YFFT also features an adjustable output voltage of 0.1V to 0.8V in increments of 0.01V for precise voltage regulation. It also features shutdown protection, output limiting and thermal protection for added safety and reliability.

Working Principle of TPS72748YFFT

The TPS72748YFFT operates based on a linear regulator principle, which is based on maintaining a constant voltage at the output. It works by comparing the output voltage with a reference voltage and regulating the output accordingly. The TPS72748YFFT can be seen as a series circuit connected between the power supply (input) and the load (output). In this series circuit, the LDO regulator acts as a control element between the supply and load. When the voltage across the output is higher than the reference voltage, the regulator begins to reduce the current that flows from the input to the output. When the voltage across the output is lower than the reference voltage, the regulator increases the current that flows from the input and the output so as to maintain the output voltage.

The TPS72748YFFT features a wide input range of 2.2V to 5.5V and an adjustable output voltage of 0.1V to 0.8V in increments of 0.01V, allowing the voltage to be regulated precisely. The adjustable output is enabled through the use of external resistors. The TPS72748YFFT is optimized for low dropout voltage, allowing it to maintain low output voltages with higher input voltages. It also has a low quiescent current of 8μA with a maximum output current of 250mA.

Applications

The TPS72748YFFT can be used in a variety of PMIC applications including mobile phones, wearables, smart devices, and other low power applications. It is suitable for voltage conversion in power management circuitry, as it is designed to minimize power dissipation, save space, and maximize performance. The TPS72748YFFT is particularly suited for low output voltage, low power applications such as powering LED drivers, radio receivers, sensors, and small motors.

Conclusion

The TPS72748YFFT is a low dropout, linear voltage regulator designed for low output voltage, low power PMIC applications. It is capable of maintaining a constant output voltage near its output, enabling maximum voltage regulation. The TPS72748YFFT offers a wide input voltage range of 2.2V to 5.5V and an adjustable output voltage of 0.1V to 0.8V in increments of 0.01V. It is optimized for low dropout voltage and features a low quiescent current of 8μA and a maximum output current of 250mA. The TPS72748YFFT is suitable for voltage conversion in power management or other applications and can be used in mobile phones, wearables, smart devices, and other low power applications.

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