S-1112B55PI-L7OTFU

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The S-1112B55PI-L7OTFU, classified into the category of PMIC (Power Management Integrated Circuit) – Voltage Regulators – Linear, is a low-dropout regulator (LDO) that can supply up to 800mA of current. It is capable of regulating the input voltage to a stable output voltage and is used across a wide range of applications, from automotive systems and medical devices to consumer goods.

The S-1112B55PI-L7OTFU is a positive voltage regulator that takes a positive input voltage of up to 24V and produces a stable output voltage between 1.2V and 3. 76V. It features a built-in protection circuit that prevents current overdraw and protects against input overvoltage and out of regulation conditions. The device is capable of operating at high temperatures ranging from -40°C to 125°C and is also certified to the automotive industry’s AEC-Q100 standard.

The S-1112B55PI-L7OTFU has a low quiescent current consumption that ranges from 2.5mA to 8mA, depending on whether or not it is enabled. It also has a low dropout voltage of 290mV at 800mA and a line regulation rate of 0.8% over a range of 15V to 24V. Its temperature stability is excellent as it can maintain a minimum of 3.3V output even at high temperatures of up to 125°C.

In terms of application fields, the S-1112B55PI-L7OTFU is used in automotive systems to provide power for engine control modules, electric power steering, airbag, ABS and other modules. In medical devices, it is used to regulate power for microcontrollers, displays and other sensitive components. In consumer goods, it is used to regulate power for smartphones, tablets and other handheld electronics.

In terms of working principle, the S-1112B55PI-L7OTFU is designed to accept an input voltage and regulate it to a specific output voltage. It accomplishes this by using two basic components; a pass transistor and an error amplifier. The pass transistor is responsible for passing or blocking current depending on the input and output voltages, while the error amplifier compares the output voltage to a preset voltage reference and adjusts the current accordingly. The pass transistor and error amplifier work together to regulate the voltages to the desired output.

Overall, the S-1112B55PI-L7OTFU is an excellent LDO regulator that is suitable for a wide range of applications due to its high current output capability, low quiescent current consumption and excellent temperature stability. It is an ideal choice for automotive systems, medical devices, and consumer goods that require a stable and regulated power source.

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