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ZLDO1117G18TA - PMIC - Voltage Regulators - Linear

The ZLDO1117G18TA is an ultra-low dropout linear three-terminal voltage regulator, produced by ZILOG. It has a wide input voltage range that makes it suitable for a variety of applications. It can provide up to 110 milliamps of output current from an input voltage between 1.2 and 3.6 volts. The ZLDO1117G18TA has an integrated power FET that enables it to provide superior transient response with a very low dropout voltage.The ZLDO1117G18TA combines the most important features of voltage regulation in a single, small and low cost device. It is highly efficient, with a high PSRR (power supply rejection ratio); this ensures superior performance in the event of input voltage fluctuations. Additionally, its fast response time, low quiescent current and low noise output make it viable for a variety of applications.The ZLDO1117G18TA is suited to many different applications such as powering microcontrollers and real-time clocks, digital signal processors and audio amplifiers. It is also suitable for use in batteries, where low supply voltage and low quiescent current are desired.The ZLDO1117G18TA device works by using a resistor as a feedback element and an error amplifier. An input voltage is supplied to the non inverting input terminal of the error amplifier, and a reference voltage is supplied to the inverting input terminal. The error amplifier compares the two voltages, and if a difference is detected, it adjusts its output signal to bring them back into balance. This output signal is then sent to the power FET, which adjusts the output voltage accordingly.The ZLDO1117G18TA is designed to offer superior performance in a wide variety of applications. Its high PSRR eliminates the need for stabilizing capacitors, making it a very cost effective solution. It also features low quiescent current, which is ideal for battery powered applications, as well as fast transient response which makes it suitable for a range of applications. Finally, its low dropout voltage makes it suitable for very low input voltage applications.Overall, the ZLDO1117G18TA is a high performance, cost effective voltage regulator, suitable for a range of applications, including microcontrollers and real-time clocks, digital signal processors and audio amplifiers. Its high PSRR, fast transient response, low quiescent current and low dropout voltage make it a very attractive choice for demanding applications.

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