S-1133B35-U5T1U

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The S-1133B35-U5T1U is a high-performance low-dropout linear regulators (LDOs) device developed by solid-state energy-saving design technology. Designed for mobile applications, it features an adjustable output voltage from 0.8V to 5.0V with a maximum output current of 500mA. It has an excellent output voltage accuracy of ±2.5%, low dropout voltage, and its high-sensitivity shut-off response time is 2µA, with a maximum operating temperature range of -40℃ ∼ +125℃. In addition, it has a low-power shutdown function, a high ripple rejection ratio, high output current accuracy, and active output voltage tracking.

The S-1133B35-U5T1U is used primarily in power management applications such as notebooks, tablets, mobile phones, wireless communication, automotive electronics, test and measurement equipment, medical aids, and home entertainment systems, especially where there is a requirement for a high output current accuracy, high load regulation and a low dropout voltage. In addition, the product complies with the USB, HDMI and ACPI3.0 power-saving standards.

The working principle of the S-1133B35-U5T1U is based on the traditional bipolar transistor linear voltage regulator. The linear regulator is controlled by an external feedback network which determines the output voltage (Vout) and current (Iout) to achieve regulation. The linear regulator circuit is designed with a PNP pass transistor, which is controlled by feedback voltage, so that the voltage at the output of the pass transistor is equal to the feedback voltage.

The input and output of the transistor are indeed connected in parallel, with the output voltage being regulated. Therefore, the voltage at the output of the pass transistor is the same as the desired output voltage. This design method not only has low consumption but also has the advantage of being able to provide output current of up to 500mA compared to other common linear regulators.

While the S-1133B35-U5T1U does not require external components, it does require some amount of power to operate. Its power consumption increases when the input voltage exceeds the output voltage and when it is under heavy load; otherwise, it can maintain a low power consumption. The device also has a built-in over temperature and current limiting protection, both of which help to prevent damage to the device.

The S-1133B35-U5T1U is a high-performance low-dropout linear regulators device developed by solid-state energy-saving design technology. It is mainly used in power management applications such as notebooks, tablets, mobile phones, wireless communication, automotive electronics, test and measurement equipment, medical aids, and home entertainment systems. The linear regulator is controlled by an external feedback network which determines the output voltage and current to achieve regulation. It has an excellent output voltage accuracy, a low drop-out voltage and a high ripple rejection ratio, as well as a built-in over temperature and current limiting protection which helps to prevent damage to the device.

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