TLV71315PDQNT

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PMIC - Voltage Regulators - Linear- TLV71315PDQNT application field and working principle.

Introduction: TLV71315PDQNT is a low power positive voltage regulator that provides 3A of continuous output current. The maximum input voltage can reach 63V, which makes it suitable for a wide range of applications. The TLV71315PDQ NT also features a low saturation voltage of only 0.4V, ensuring efficient use of power.

Application: The TLV71315PDQ NT is typically used to provide a low-dropout (LDO) regulated power supply for a wide range of portable electronics, including but not limited to cameras, portable media players, mobile phones and PDAs. The device can also be utilized for other purposes such as VCOs, regulators, references, preamplifiers, or as a power delivery system, due to its wide range of operating voltage (1.2V to 63V). Power Management ICs (PMICs) are also a type of applications where the TLV71315PDQ NT is widely used.

Working Principle: The TLV71315PDQ NT uses a 3-terminal positive voltage regulator, with the input voltage regulated at a constant level. A transistor and variable resistor form the voltage regulator. The transistor is placed between the input and output, while the variable resistor determines the output voltage. When the input voltage varies, the transistor adjusts its resistance to maintain a constant output voltage. The TLV71315PDQ NT\'s input and output are independent of each other. This allows it to be used as a current reference or to provide multiple independent power levels.

Powering Option: The TLV71315PDQ NT has the option of powering the device from an external source, with a typical current consumption of 360mA. This can be done using a battery or a Power Management IC such as the TLV801P, TLV802P or TLV803P. The device can also be powered via the USB or a four-pin header.

Features: The TLV71315PDQ NT has an extremely low quiescent current (34µA). It also offers a wide input voltage range and a fast transient response, making it ideal for use in applications requiring instant power. The device also features a 6V start-up voltage, which ensures the proper operation of the regulator. Furthermore, the TLV71315PDQ NT offers protection against short-circuit, over-voltage, and reverse-current. The operating temperature range is -40°C to +125°C.

Conclusion: The TLV71315PDQ NT is a low power, high-efficiency, three-terminal positive voltage regulator which can provide 3A of continuous output current and features a low saturation voltage of 0.4V. The TLV71315PDQ NT is suitable for wide range of applications, including powering portable electronics, providing multiple independent power levels and providing a fast transient response. The device also features an extremely low quiescent current and a wide range of features and protections, making it an ideal choice for power management ICs and other applications.

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