TPS73201DBVT

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The TPS73201DBVT is a low-dropout (LDO) linear voltage regulator with an operating input voltage range of 2.3V to 6.5V and output voltage range of 1.2V to 3.3V. It enables designers to cost-effectively power systems for 3.3V logic and other devices. With its 20-µA quiescent current, this voltage regulator also offers small size and extended output current capability. The device is available in the thermally enhanced flip-chip package.

Application Field

The TPS73201DBVT is suitable for low-power applications, such as PDAs and digital still cameras. It is also suitable for powering various digital and analog circuits, such as FPGAs, digital signal processors, microprocessors and actuators. The devices can also be used in transceivers, portables and notebook PCs.

Working Principle

The TPS73201DBVT is a low-dropout (LDO) linear voltage regulator. It uses a power transistor and an error amplifier to regulate the output voltage. The power transistor is powered by the input voltage, which is then passed to the error amplifier. The error amplifier compares the output voltage with the reference voltage to adjust the amount of current passing through the transistor. The amount of current is controlled using a feedback circuit. When the output voltage drops or increases, the feedback circuit adjusts the current to maintain a constant voltage across the output.

In order to minimize quiescent current, the TPS73201DBVT features an integrated low-dropout control circuit which reduces the gate current of the power transistor when the output voltage drops. In addition, the device also features thermal shutdown protection which disables the output when the junction temperature exceeds a certain threshold.

The device also features current limit protection, reverse current protection and under-voltage lockout (UVLO) protection. These features ensure that the device operates safely and reliably in various applications.

The TPS73201DBVT is a versatile voltage regulator that provides a wide input voltage range, low quiescent current and extended output current capability. Its features make it an ideal solution for low-power applications, such as PDAs and digital still cameras.

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