TPS73047DBVR

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TPS73047DBVR Introduction

TPS73047DBVR is a component developed by Texas Instruments which is a Low-Dropout (LDO) linear voltage regulator that processes high voltage input and outputs low voltage. It is capable of providing a output current of 1.5 A. TPS73047DBVR has an adjustable voltage regulator that allows user-defined precision over a range of 0.8 to 1.8 V with an external resistor and is also capable of providing a very low dropout voltage of typically 80 mV.

TPS73047DBVR Applications

TPS73047DBVR is ideal for adjusting and supplying the lower power systems such as handheld or battery operated devices or any low power systems that requires precise voltage regulation. TPS73047DBVR is capable of providing reliable power supplies in battery-powered and portable applications or in any portable or low power systems. It is also suitable for SIM cards, smart phones, digital cameras, portable medical devices, and other handheld devices.

The voltage sequencer is a multi-output feature of TPS73047DBVR which is highly suitable for flash memory and microcontroller applications. It allows a sequence of voltage to protect the chip, then devices awaken at a steady voltage. Additionally, it is also suitable for parallel powering applications, where devices are powered from the same source and require different output voltages for optimization.

TPS73047DBVR Working Principle

TPS73047DBVR works on the principle of voltage regulation, where a user defined precision over a range from 0.8 V to 1.8 V can be set with an external resistor. It has an enable pin to enable the output voltage, an enable active low circuitry to put the device in stand-by mode and a power-on reset (POR) which sets the Vreg output to 1.8 V when the input voltage is higher than Vout. This will help to protect the components which are run on the linear voltage regulator.

The TPS73047DBVR is composed of two stages - an amplifier and a transistor. The amplifier amplifies the current based on the given target voltage. The transistor provides voltage regulation by comparing the voltage given by the amplifier and the voltage given by the feedback network. The output of the TPS73047DBVR is the voltage given by the amplifier which is regulated based on the feedback network.

The efficiency of the TPS73047DBVR is primarily determined by the input and output voltage. The lower the dropout voltage, the higher the efficiency, as less energy is wasted in the regulator circuit. The overall performance of the TPS73047DBVR is determined by the selection of suitable capacitors, as well as the selection of the best combination of output voltage and current rating.

Conclusion

TPS73047DBVR is a low-dropout linear voltage regulator developed by Texas Instruments. This component processes high voltage input and outputs low voltage and is capable of providing 1.5 A of output current with adjustable output voltage from 0.8 V to 1.8 V. It can be used in battery powered and portable applications or any low power or portable systems that requires precise voltage regulation. The voltage sequencer feature makes it highly suitable for flash memory and microcontroller applications. The main components of TPS73047DBVR are an amplifier and a transistor that works on the principle of voltage regulation.

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