LD1117STR

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The LD1117STR is a low-dropout voltage regulator with adjustable output voltage and low power consumption. It is a 3-terminal positive adjustable voltage regulator with a nominal input voltage of 3.3V to 15V and an absolute maximum rating of 28V. The LD1117STR is suitable for providing high current regulation in a wide range of applications, such as computer peripherals, cell phones, medical instruments, and automotive electronics.

LD1117STR Application Field and Working Principle

The LD1117STR voltage regulator can be used to provide a regulated voltage for any application requiring stability, accuracy, and reliability. It is particularly effective for applications that require low current consumption and high accuracy, such as instrumentation and control. The LD1117STR can be used in computer peripherals, cell phones, medical instruments, automotive electronics, and many other applications that require a low-noise and highly accurate voltage regulator.

The LD1117STR is a linear voltage regulator, meaning it relies on linear relationships between voltage and current to regulate the output voltage. A linear voltage regulator works by controlling the amount of current that flows through the circuit. When the output voltage changes, the regulator responds by changing the current supplied to the output. This ensures that the output voltage remains constant, regardless of changes in input voltage or load.

The LD1117STR features an adjustable output voltage range from 0.8V to 15V and an accuracy of ±2%. The output current is rated at up to 1A with junction-to-ambient thermal resistance of 12°C/W. The LD1117STR has a wide operating temperature range of -40°C to +85°C, making it suitable for use in harsh environments. The device also comes with short circuit protection and thermal shutdown.

The LD1117STR is a very reliable device, offering excellent performance in terms of output voltage accuracy and stability. The LD1117STR also offers a low quiescent current of 1mA and low dropout voltage of 250mV, making it ideal for applications with low voltage headroom.

In summary, the LD1117STR is an excellent linear voltage regulator that is suitable for many applications requiring low power consumption, high accuracy, and excellent performance. It is able to meet the needs of many different applications with its adjustable input voltage range, low power consumption, wide operating temperature range, and short circuit protection.

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