S-1172B11-E6T1U

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S-1172B11-E6T1U is a highly integrated, low power, low noise and low dropout linear voltage regulator (LDO). It is widely used in different applications, including cellular phones, personal digital assistants (PDA), digital cameras, and other portable devices.

This LDO is made with a bipolar process technology that enables low power consumption and low noise levels, while providing excellent regulation accuracy and stability. It also includes an internal over-current and thermal protection circuit that will reduce the power dissipation in case of an overload. In addition, the integrated switch off feature prevents false triggering of the over-current protection circuit. This feature allows the S-1172B11-E6T1U to be used in a wide variety of applications.

The S-1172B11-E6T1U is capable of delivering up to 1A of continuous output current and has an adjustable output voltage range of 1.2V to 5.5V. This device features an ultra-low quiescent current of just 45µA and an extremely low output noise of 0.01mVrms. Also, the LDO has an operating temperature range from -40°C to +125°C, making it suitable for most applications.

The S-1172B11-E6T1U is mainly used in applications that require low-noise operation, such as PDA, digital cameras, portable DVD players, DECT phones and cellular phones. It is also used in power converters for DC-DC applications, such as automotive and industrial. This device is also commonly used in audio amplifiers and PC cards.

The working principle of the S-1172B11-E6T1U is based on a linear regulator. The device uses an internal reference voltage as a reference and compares the output voltage of the regulator to the reference to ensure a constant output voltage. The feedback loop is then used to adjust the output voltage to the desired level. The output voltage is further regulated by a series of resistors and capacitors which provide the required levels of stability and accuracy.

The S-1172B11-E6T1U is an ideal choice for applications that need low power, low noise and excellent regulation accuracy. This LDO provides a high level of integration and can withstand a wide range of operating temperatures, making it well suited for a variety of applications.

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