TPS7A7100RGTR Integrated Circuits (ICs)

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TPS7A7100RGTR is a low-voltage, low-dropout linear voltage regulator that is designed to provide high precision output voltage regulation with very low quiescent current. This regulator is optimized for use in space-constrained consumer applications, offering significant space and power savings in mobile and other small form-factor designs. Its compact design also makes it ideal for power budgeting in any application, including consumer electronics and industrial control.

Features of TPS7A7100RGTR

• Input voltage range from 1.7V to 5.5V
• Output voltage range of 0.8V to 4.4V
• Dropout voltage of only 130mV @ 1A
• Quiescent current of 7µA
• Low output noise of 65µVrms
• Reverse current protection
• Thermal shutdown and current limit protection
• Thermal pad on the package
• 8-pin SON package

Application Field

TPS7A7100RGTR is ideal for low noise, low power supply applications. It can be used for diverse applications such as embedded sensing, portable instrumentation and metering, or powering core logic or DSP in consumer electronics. It is fully qualified for automotive, communications and industrial applications.

It is especially suitable for mobile applications, offering space and power savings over typical buck-converter solutions. Its low quiescent current and enabling bias current further reduce power budget, making it ideal for battery-powered devices that need long run-time performance. It can also be used for industrial automation and communication systems, process control and local area networks.

Working Principle

TPS7A7100RGTR is a low-dropout linear voltage regulator, which uses a series configuration to reduce the input voltage to the desired output voltage. An external series resistor is used to adjust the reference voltage so that the output voltage is accurately maintained. The voltage is regulated through the use of a feedback loop that compares the output voltage to a reference voltage and adjusts the reference voltage accordingly.

The regulator includes current-limit protection and reverse current protection, preventing damage to the circuit due to excessive currents or reversed battery connections. It also includes a thermal shutdown feature, which shuts down the regulator in the event of an over-temperature condition. The regulator is fully qualified for automotive-grade applications, making it an ideal choice for automotive use.

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